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# 2.3.27 (November 10, 2023)

## Bug fixes:

* Provide fix for bundler Gemfile resolving regression. Pull request #6165
  by Hiroshi SHIBATA.

# 2.3.26 (November 16, 2022)

## Enhancements:

  - Map 'universal' to the real arch in Bundler for prebuilt gem selection [#5978](https://github.com/rubygems/rubygems/pull/5978)

## Documentation:

  - Fix '--force' option documentation of 'bundle clean' [#6050](https://github.com/rubygems/rubygems/pull/6050)

# 2.3.25 (November 2, 2022)

## Bug fixes:

  - Properly sort specs when materializing [#6015](https://github.com/rubygems/rubygems/pull/6015)
  - Fix bad unfreeze recommendation [#6013](https://github.com/rubygems/rubygems/pull/6013)

## Documentation:

  - Bring docs for gemfile(5) manpage up to date [#6007](https://github.com/rubygems/rubygems/pull/6007)
  - Fix `github` DSL docs to mention they use https protocol over git under the hood [#5993](https://github.com/rubygems/rubygems/pull/5993)

# 2.3.24 (October 17, 2022)

## Enhancements:

  - Only add extra resolver spec group for Ruby platform when needed [#5698](https://github.com/rubygems/rubygems/pull/5698)
  - Fix little UI issue when bundler shows duplicated gems in a list [#5965](https://github.com/rubygems/rubygems/pull/5965)

## Bug fixes:

  - Fix incorrect materialization on Windows [#5975](https://github.com/rubygems/rubygems/pull/5975)

# 2.3.23 (October 5, 2022)

## Enhancements:

  - Update GitLab CI template with new one [#5944](https://github.com/rubygems/rubygems/pull/5944)

## Bug fixes:

  - Fix `bundle init` not respecting umask in generated gem's Gemfile [#5947](https://github.com/rubygems/rubygems/pull/5947)

## Performance:

  - Further speed up Bundler by not sorting specs unnecessarily [#5868](https://github.com/rubygems/rubygems/pull/5868)

## Documentation:

  - Update Bundler new feature instructions [#5912](https://github.com/rubygems/rubygems/pull/5912)

# 2.3.22 (September 7, 2022)

## Enhancements:

  - Use a more accurate source code uri in gemspec [#5896](https://github.com/rubygems/rubygems/pull/5896)
  - Support `--path` option in `bundle add` [#5897](https://github.com/rubygems/rubygems/pull/5897)
  - Improve lockfile dependency unlocking [#5881](https://github.com/rubygems/rubygems/pull/5881)
  - Add platform alias `:windows` to Gemfile DSL [#5650](https://github.com/rubygems/rubygems/pull/5650)
  - Make `#to_lock` consistent between `Gem::Dependency` and `Bundler::Dependency` [#5872](https://github.com/rubygems/rubygems/pull/5872)
  - Support marshaled index specifications with `nil` required ruby version [#5824](https://github.com/rubygems/rubygems/pull/5824)

## Bug fixes:

  - Fix resolution hanging on musl platforms [#5875](https://github.com/rubygems/rubygems/pull/5875)
  - Fix another regression affecting the sorbet family of gems [#5874](https://github.com/rubygems/rubygems/pull/5874)

## Documentation:

  - Introduce bundle-console(1) man [#5901](https://github.com/rubygems/rubygems/pull/5901)
  - Introduce bundle-version(1) man [#5895](https://github.com/rubygems/rubygems/pull/5895)
  - Introduce bundle-help(1) man [#5886](https://github.com/rubygems/rubygems/pull/5886)

# 2.3.21 (August 24, 2022)

## Enhancements:

  - Backport non gnu libc linux support from RubyGems [#4488](https://github.com/rubygems/rubygems/pull/4488)
  - Improve `Bundler.rm_rf` error message [#5861](https://github.com/rubygems/rubygems/pull/5861)
  - Disallow both `--branch` and `--ref` at the same time in bundle-plugin [#5855](https://github.com/rubygems/rubygems/pull/5855)
  - Restore previous performance of private RubyGems servers [#5826](https://github.com/rubygems/rubygems/pull/5826)

## Bug fixes:

  - Fix conservative update downgrading top level gems [#5847](https://github.com/rubygems/rubygems/pull/5847)
  - Fix edge case where `bundler/inline` unintentionally skips install [#5848](https://github.com/rubygems/rubygems/pull/5848)
  - Fix `bundle platform` crash when there's a lockfile with no Ruby locked [#5850](https://github.com/rubygems/rubygems/pull/5850)
  - Fix crash when incomplete locked specifications are found in transitive dependencies [#5840](https://github.com/rubygems/rubygems/pull/5840)
  - Fix Ruby platform incorrectly removed on `bundle update` [#5832](https://github.com/rubygems/rubygems/pull/5832)

## Documentation:

  - Explain cancelled CLI deprecations clearly [#5864](https://github.com/rubygems/rubygems/pull/5864)
  - Improve `bundle config` command synopsis [#5854](https://github.com/rubygems/rubygems/pull/5854)
  - Introduce bundle-plugin(1) man [#5853](https://github.com/rubygems/rubygems/pull/5853)

# 2.3.20 (August 10, 2022)

## Enhancements:

  - Consistently ignore patchlevel when reporting `bundle platform --ruby` [#5793](https://github.com/rubygems/rubygems/pull/5793)
  - Make `--standalone` play nice with `--local` [#5762](https://github.com/rubygems/rubygems/pull/5762)
  - Implement `bundle install --prefer-local` [#5761](https://github.com/rubygems/rubygems/pull/5761)

## Bug fixes:

  - Fix regression where yanked gems are now unintentionally updated when other gems are unlocked [#5812](https://github.com/rubygems/rubygems/pull/5812)
  - Automatically remove "ruby" from lockfile if incomplete [#5807](https://github.com/rubygems/rubygems/pull/5807)
  - Fix `bundle outdated --strict` showing too many outdated gems [#5798](https://github.com/rubygems/rubygems/pull/5798)
  - Don't discard candidates matching Ruby metadata [#5784](https://github.com/rubygems/rubygems/pull/5784)
  - Fix `bundle outdated` crash in debug mode [#5796](https://github.com/rubygems/rubygems/pull/5796)
  - Fix `ruby` DSL requirement matching for head and prerelease rubies [#5766](https://github.com/rubygems/rubygems/pull/5766)

## Documentation:

  - Update Bundler support policies to match what we do these days [#5813](https://github.com/rubygems/rubygems/pull/5813)
  - Fix arguments for bundle-config(1) docs [#5804](https://github.com/rubygems/rubygems/pull/5804)
  - Improve `bundle platform` man page [#5788](https://github.com/rubygems/rubygems/pull/5788)
  - Remove `bundle cache` from deprecated commands list, and consistently link to `bundle cache` in man pages [#5783](https://github.com/rubygems/rubygems/pull/5783)
  - Add package/pack aliases to man pages for cache [#5785](https://github.com/rubygems/rubygems/pull/5785)
  - Add deprecation notice of bundle console [#5775](https://github.com/rubygems/rubygems/pull/5775)

# 2.3.19 (July 27, 2022)

## Enhancements:

  - Add `Bundler.settings[:only]` to install gems of the specified groups [#5759](https://github.com/rubygems/rubygems/pull/5759)
  - Add `ignore_funding_requests` config flag [#5767](https://github.com/rubygems/rubygems/pull/5767)
  - Prevent random crash when autoloading `Pathname` [#5769](https://github.com/rubygems/rubygems/pull/5769)
  - Don't corrupt lockfile when user moves a gem that's already in the lockfile to an incorrect source by mistake [#5070](https://github.com/rubygems/rubygems/pull/5070)
  - Reconcile error/warning message for multiple global sources with documentation [#5741](https://github.com/rubygems/rubygems/pull/5741)
  - Improve error message when gems cannot be found to include the source for each gem [#5729](https://github.com/rubygems/rubygems/pull/5729)

## Bug fixes:

  - Fix yet another TruffleRuby platform selection regression [#5746](https://github.com/rubygems/rubygems/pull/5746)
  - Show a proper error if extension dir is not writable [#5726](https://github.com/rubygems/rubygems/pull/5726)

## Performance:

  - Lazily check incomplete lockfile to improve performance [#5546](https://github.com/rubygems/rubygems/pull/5546)

## Documentation:

  - Add deprecation notice of bundle inject [#5776](https://github.com/rubygems/rubygems/pull/5776)
  - Add deprecation notice of `bundle viz` to man pages [#5765](https://github.com/rubygems/rubygems/pull/5765)
  - Update command example in `bundle exec` man page [#5754](https://github.com/rubygems/rubygems/pull/5754)
  - Remove bundle show from obsolete commands [#5753](https://github.com/rubygems/rubygems/pull/5753)
  - Improve global source(s) documentation [#5732](https://github.com/rubygems/rubygems/pull/5732)
  - Use https protocol for URLs for config mirror in bundler man [#5722](https://github.com/rubygems/rubygems/pull/5722)

# 2.3.18 (July 14, 2022)

## Enhancements:

  - Extend `gem` DSL with a `force_ruby_platform` option [#4049](https://github.com/rubygems/rubygems/pull/4049)

## Bug fixes:

  - Fix misleading error if compact index cannot be copied [#5709](https://github.com/rubygems/rubygems/pull/5709)
  - Fix TruffleRuby no longer able to install lockfiles generated with other implementations [#5711](https://github.com/rubygems/rubygems/pull/5711)
  - Fix TruffleRuby no longer installing lockfiles using "ruby" platform correctly [#5694](https://github.com/rubygems/rubygems/pull/5694)
  - Fix crash when updating vendor cache of default gems [#5679](https://github.com/rubygems/rubygems/pull/5679)

## Performance:

  - Speed up `bundler/setup` by using the raw `Gemfile.lock` information without extra processing whenever possible [#5695](https://github.com/rubygems/rubygems/pull/5695)

## Documentation:

  - Use modern style hashes in Gemfile DSL docs [#5674](https://github.com/rubygems/rubygems/pull/5674)

# 2.3.17 (June 29, 2022)

## Enhancements:

  - Add support for platform `:x64_mingw` to correctly lookup "x64-mingw-ucrt" [#5649](https://github.com/rubygems/rubygems/pull/5649)
  - Fix some errors being printed twice in `--verbose` mode [#5654](https://github.com/rubygems/rubygems/pull/5654)
  - Fix extension paths in generated standalone script [#5632](https://github.com/rubygems/rubygems/pull/5632)

## Bug fixes:

  - Raise if ruby platform is forced and there are no ruby variants [#5495](https://github.com/rubygems/rubygems/pull/5495)
  - Fix `bundle package --no-install` no longer skipping install [#5639](https://github.com/rubygems/rubygems/pull/5639)

## Performance:

  - Improve performance of `Bundler::SpecSet#for` by using hash lookup of handled deps [#5537](https://github.com/rubygems/rubygems/pull/5537)

## Documentation:

  - Fix formatting issue in `bundle add` man page [#5642](https://github.com/rubygems/rubygems/pull/5642)

# 2.3.16 (June 15, 2022)

## Performance:

  - Improve performance of installing gems from gem server sources [#5614](https://github.com/rubygems/rubygems/pull/5614)

# 2.3.15 (June 1, 2022)

## Enhancements:

  - Show better error when previous installation fails to be removed [#5564](https://github.com/rubygems/rubygems/pull/5564)
  - Show exception cause in bug report template [#5563](https://github.com/rubygems/rubygems/pull/5563)

## Bug fixes:

  - Fix `bundle remove` by invalidating cached `Bundle.definition` [#5443](https://github.com/rubygems/rubygems/pull/5443)
  - Fix generated standalone script when it includes default gems [#5586](https://github.com/rubygems/rubygems/pull/5586)
  - Skip duplicated dependency warning for gemspec dev deps [#5587](https://github.com/rubygems/rubygems/pull/5587)
  - Give better conflict resolution advice [#5581](https://github.com/rubygems/rubygems/pull/5581)
  - Fix crash when commenting out a mirror in configuration [#5576](https://github.com/rubygems/rubygems/pull/5576)
  - Fix crash when installing gems with symlinks [#5570](https://github.com/rubygems/rubygems/pull/5570)
  - Ignore `Errno::EROFS` errors when creating `bundler.lock` [#5580](https://github.com/rubygems/rubygems/pull/5580)
  - Ignore `Errno::EPERM` errors when creating `bundler.lock` [#5579](https://github.com/rubygems/rubygems/pull/5579)
  - Fix crash when printing resolution conflicts on metadata requirements [#5562](https://github.com/rubygems/rubygems/pull/5562)

# 2.3.14 (May 18, 2022)

## Bug fixes:

  - Fix confusing inline mode install output [#5530](https://github.com/rubygems/rubygems/pull/5530)
  - Fix error message when locked version of a gem does not support running Ruby [#5525](https://github.com/rubygems/rubygems/pull/5525)

## Performance:

  - Improve `bundler/setup` performance again by not deduplicating intermediate results [#5533](https://github.com/rubygems/rubygems/pull/5533)

## Documentation:

  - Fix typo in documentation [#5514](https://github.com/rubygems/rubygems/pull/5514)
  - Update man page for `require` option in `bundle add` command [#5513](https://github.com/rubygems/rubygems/pull/5513)

# 2.3.13 (May 4, 2022)

## Bug fixes:

  - Fix missing required rubygems version when using old APIs [#5496](https://github.com/rubygems/rubygems/pull/5496)
  - Fix crash when gem used twice in Gemfile under different platforms [#5187](https://github.com/rubygems/rubygems/pull/5187)

## Performance:

  - Speed up `bundler/setup` time [#5503](https://github.com/rubygems/rubygems/pull/5503)

# 2.3.12 (April 20, 2022)

## Enhancements:

  - Improve Ruby version resolution conflicts [#5474](https://github.com/rubygems/rubygems/pull/5474)
  - Stop considering `RUBY_PATCHLEVEL` for resolution [#5472](https://github.com/rubygems/rubygems/pull/5472)
  - Add modern rubies as valid platform values in Gemfile DSL [#5469](https://github.com/rubygems/rubygems/pull/5469)

# 2.3.11 (April 7, 2022)

## Enhancements:

  - Bump actions/checkout to 3 in bundler gem template [#5445](https://github.com/rubygems/rubygems/pull/5445)
  - Prefer `__dir__` to `__FILE__` [#5444](https://github.com/rubygems/rubygems/pull/5444)

## Documentation:

  - Update bundler documentation to reflect bundle config scope changes [#5441](https://github.com/rubygems/rubygems/pull/5441)

# 2.3.10 (March 23, 2022)

## Enhancements:

  - More helpful reporting of marshal loading issues [#5416](https://github.com/rubygems/rubygems/pull/5416)
  - Report Github Actions CI provider within user agent string [#5400](https://github.com/rubygems/rubygems/pull/5400)
  - Remove extra closing bracket in version warning [#5397](https://github.com/rubygems/rubygems/pull/5397)

# 2.3.9 (March 9, 2022)

## Enhancements:

  - Add newline to validate_platforms! message when platform is missing [#5353](https://github.com/rubygems/rubygems/pull/5353)
  - Suggest quicker `bundle add` for installation in `README.md` generated by `bundle gem` [#5337](https://github.com/rubygems/rubygems/pull/5337)
  - Make `--strict` flag of `update` and `outdated` commands consistent [#5379](https://github.com/rubygems/rubygems/pull/5379)

## Bug fixes:

  - Fix regression when activating gem executables caused by Bundler monkey patches to RubyGems [#5386](https://github.com/rubygems/rubygems/pull/5386)

# 2.3.8 (February 23, 2022)

## Bug fixes:

  - Fix corrupted lockfile when running `bundle check` and having to re-resolve locally [#5344](https://github.com/rubygems/rubygems/pull/5344)
  - Fix typo in multiple gemfiles warning [#5342](https://github.com/rubygems/rubygems/pull/5342)

## Documentation:

  - Add clarification for bundle-config "with" option [#5346](https://github.com/rubygems/rubygems/pull/5346)

# 2.3.7 (February 9, 2022)

## Enhancements:

  - Don't activate `yaml` gem from Bundler [#5277](https://github.com/rubygems/rubygems/pull/5277)
  - Add Reverse Dependencies section to info command [#3966](https://github.com/rubygems/rubygems/pull/3966)

## Bug fixes:

  - Don't silently persist `BUNDLE_WITH` and `BUNDLE_WITHOUT` envs locally [#5335](https://github.com/rubygems/rubygems/pull/5335)
  - Fix `bundle config` inside an application saving configuration globally [#4152](https://github.com/rubygems/rubygems/pull/4152)

# 2.3.6 (January 26, 2022)

## Enhancements:

  - Use `Gem::Platform.local` instead of `RUBY_PLATFORM` when displaying local platform [#5306](https://github.com/rubygems/rubygems/pull/5306)
  - Lock standard.yml to the required ruby version [#5284](https://github.com/rubygems/rubygems/pull/5284)
  - Use `Fiddle` in `bundle doctor` to check for dynamic library presence [#5173](https://github.com/rubygems/rubygems/pull/5173)

## Bug fixes:

  - Fix edge case where gems were incorrectly removed from the lockfile [#5302](https://github.com/rubygems/rubygems/pull/5302)
  - Fix `force_ruby_platform` ignored when lockfile includes current specific platform [#5304](https://github.com/rubygems/rubygems/pull/5304)
  - Create minitest file to underscored path in "bundle gem" command with dashed gem name [#5273](https://github.com/rubygems/rubygems/pull/5273)
  - Fix regression with old marshaled specs having null `required_rubygems_version` [#5291](https://github.com/rubygems/rubygems/pull/5291)

# 2.3.5 (January 12, 2022)

## Enhancements:

  - Make `bundle update --bundler` actually lock to the latest bundler version (even if not yet installed) [#5182](https://github.com/rubygems/rubygems/pull/5182)
  - Use thor-1.2.1 [#5260](https://github.com/rubygems/rubygems/pull/5260)
  - Exclude bin directory for newgem template [#5259](https://github.com/rubygems/rubygems/pull/5259)

## Bug fixes:

  - Fix metadata requirements being bypassed when custom gem servers are used [#5256](https://github.com/rubygems/rubygems/pull/5256)
  - Fix `rake build:checksum` writing checksum of package path, not package contents [#5250](https://github.com/rubygems/rubygems/pull/5250)

# 2.3.4 (December 29, 2021)

## Enhancements:

  - Improve error message when `BUNDLED WITH` version does not exist [#5205](https://github.com/rubygems/rubygems/pull/5205)

## Bug fixes:

  - Fix `bundle update --bundler` no longer updating lockfile [#5224](https://github.com/rubygems/rubygems/pull/5224)

# 2.3.3 (December 24, 2021)

## Bug fixes:

  - Fix locked bundler not installed to the right path when `deployment` is set [#5217](https://github.com/rubygems/rubygems/pull/5217)

# 2.3.2 (December 23, 2021)

## Enhancements:

  - Remove unnecessary lockfile upgrade warning [#5209](https://github.com/rubygems/rubygems/pull/5209)

# 2.3.1 (December 22, 2021)

## Enhancements:

  - Vendor latest `thor` with fixes for latest `did_you_mean` deprecations [#5202](https://github.com/rubygems/rubygems/pull/5202)
  - Avoid unnecessary `shellwords` require on newer rubygems [#5195](https://github.com/rubygems/rubygems/pull/5195)
  - Re-exec prepending command with `Gem.ruby` if `$PROGRAM_NAME` is not executable [#5193](https://github.com/rubygems/rubygems/pull/5193)

# 2.3.0 (December 21, 2021)

## Features:

  - Change `bundle install` with a lockfile to respect the `BUNDLED WITH` bundler version [#4076](https://github.com/rubygems/rubygems/pull/4076)

## Enhancements:

  - Print warning when running Bundler on potentially problematic RubyGems & Ruby combinations [#5177](https://github.com/rubygems/rubygems/pull/5177)
  - Error tracing should be printed to stderr [#5179](https://github.com/rubygems/rubygems/pull/5179)
  - Add `github` and `ref` options to `bundle add` [#5159](https://github.com/rubygems/rubygems/pull/5159)
  - Add require parameter to `bundle add` [#5021](https://github.com/rubygems/rubygems/pull/5021)
  - Enable parallel installation on Windows by default [#4822](https://github.com/rubygems/rubygems/pull/4822)
  - More logging when compact index is not used and we fallback to other APIs [#4546](https://github.com/rubygems/rubygems/pull/4546)
  - `bundle gem` generated MiniTest file and class now start with 'test' [#3893](https://github.com/rubygems/rubygems/pull/3893)
  - Add `Bundler::Definition.no_lock` accessor for skipping lock file creation/update [#3401](https://github.com/rubygems/rubygems/pull/3401)

## Bug fixes:

  - Fix crash when when no platform specific matches exist and show a proper error [#5168](https://github.com/rubygems/rubygems/pull/5168)
  - Ignore dependencies not actually locked from frozen check [#5152](https://github.com/rubygems/rubygems/pull/5152)
  - Fix `bundle cache --all-platforms` on Windows [#4552](https://github.com/rubygems/rubygems/pull/4552)

## Documentation:

  - Fix gemspec template typo [#4545](https://github.com/rubygems/rubygems/pull/4545)

# 2.2.33 (December 7, 2021)

## Security fixes:

  - Pass "--" to git commands to separate positional and optional args [#5142](https://github.com/rubygems/rubygems/pull/5142)

## Enhancements:

  - Accept pull request URLs as github source [#5126](https://github.com/rubygems/rubygems/pull/5126)
  - Add `--version` parameter to `bundle info` command [#5137](https://github.com/rubygems/rubygems/pull/5137)
  - Let original `Errno::EACCES` error be raised in compact index updater [#5110](https://github.com/rubygems/rubygems/pull/5110)
  - Improve gemfile-lockfile source equivalence errors [#5120](https://github.com/rubygems/rubygems/pull/5120)
  - Avoid float-to-string loss of characters in GitHub Actions configuration labels in new gem template [#5089](https://github.com/rubygems/rubygems/pull/5089)
  - Add an initial rbs template to `bundle gem` skeleton [#5041](https://github.com/rubygems/rubygems/pull/5041)
  - Avoid shared libraries not getting environment passed right after argv in memory when `bundle exec` is used [#4815](https://github.com/rubygems/rubygems/pull/4815)

## Bug fixes:

  - Don't cleanup paths from gems already activated from `$LOAD_PATH` [#5111](https://github.com/rubygems/rubygems/pull/5111)
  - Fix handling prereleases of 0 versions, like 0.0.0.dev or 0.0.0.SNAPSHOT [#5116](https://github.com/rubygems/rubygems/pull/5116)
  - Fix escape of filenames in `bundle doctor` [#5102](https://github.com/rubygems/rubygems/pull/5102)
  - Don't unlock dependencies when running `bundle install` after changing global source [#5090](https://github.com/rubygems/rubygems/pull/5090)
  - Fix missing locked specs when depended on another platform [#5092](https://github.com/rubygems/rubygems/pull/5092)
  - Fix `bundle info` sometimes claiming that bundler has been deleted [#5097](https://github.com/rubygems/rubygems/pull/5097)

## Documentation:

  - Ignore to generate the documentation from vendored libraries [#5118](https://github.com/rubygems/rubygems/pull/5118)

# 2.2.32 (November 23, 2021)

## Enhancements:

  - Clarify `bundle viz` deprecation [#5083](https://github.com/rubygems/rubygems/pull/5083)
  - Unlock dependencies that no longer match lockfile [#5068](https://github.com/rubygems/rubygems/pull/5068)
  - Use `shellsplit` instead of array of strings for git push [#5062](https://github.com/rubygems/rubygems/pull/5062)
  - Re-enable `default_ignores` option for standard [#5003](https://github.com/rubygems/rubygems/pull/5003)

## Bug fixes:

  - Fix downgrading dependencies by changing the `Gemfile` and running `bundle update` [#5078](https://github.com/rubygems/rubygems/pull/5078)

# 2.2.31 (November 8, 2021)

## Enhancements:

  - Link to working `bundler-graph` plugin in `bundle viz` deprecation message [#5061](https://github.com/rubygems/rubygems/pull/5061)
  - Memoize materialized specs when requiring `bundler/setup` [#5033](https://github.com/rubygems/rubygems/pull/5033)
  - Allow custom LicenseRef [#5013](https://github.com/rubygems/rubygems/pull/5013)
  - Better error when installing a lockfile with git sources and git is not installed [#5036](https://github.com/rubygems/rubygems/pull/5036)
  - Only delete cached gem when it's corrupted [#5031](https://github.com/rubygems/rubygems/pull/5031)
  - Support gemified `tsort` [#5032](https://github.com/rubygems/rubygems/pull/5032)
  - Add standard option alongside rubocop to `bundle gem` [#4411](https://github.com/rubygems/rubygems/pull/4411)

## Bug fixes:

  - Fix system man pages no longer working after bundler overrides `MANPATH` [#5039](https://github.com/rubygems/rubygems/pull/5039)
  - Don't warn when a lockfile is locked to a dev version [#5018](https://github.com/rubygems/rubygems/pull/5018)

# 2.2.30 (October 26, 2021)

## Enhancements:

  - Add a custom SHA1 digest implementation to no longer depend on the digest gem before we know which version to activate [#4989](https://github.com/rubygems/rubygems/pull/4989)
  - Ensure vendored gems have licenses [#4998](https://github.com/rubygems/rubygems/pull/4998)
  - Update broken link in Bundler::Fetcher::CertificateFailureError [#4987](https://github.com/rubygems/rubygems/pull/4987)
  - Give better errors for some permission issues [#4965](https://github.com/rubygems/rubygems/pull/4965)
  - Print better errors when `bundler/gem_tasks` fail [#4872](https://github.com/rubygems/rubygems/pull/4872)
  - Fix `bundle install` to reinstall deleted gems [#4974](https://github.com/rubygems/rubygems/pull/4974)
  - Unify issue template and ISSUES.md document [#4980](https://github.com/rubygems/rubygems/pull/4980)
  - Bump vendored connection_pool to 2.2.5 [#4738](https://github.com/rubygems/rubygems/pull/4738)

## Bug fixes:

  - Fix error message pointing to non existing file when using a global gem cache [#4999](https://github.com/rubygems/rubygems/pull/4999)
  - Fix install crash when lockfile has missing dependencies for the current platform [#4941](https://github.com/rubygems/rubygems/pull/4941)
  - Make `bundle info` show a proper warning every time it finds a deleted gem [#4971](https://github.com/rubygems/rubygems/pull/4971)

# 2.2.29 (October 8, 2021)

## Enhancements:

  - Require at least Ruby 2.6.0 for gems created with recent rubies [#4920](https://github.com/rubygems/rubygems/pull/4920)
  - Include glob information in string representation of git sources to make generated lockfiles deterministic [#4947](https://github.com/rubygems/rubygems/pull/4947)
  - Add missing `rubygem_push` prerequisite [#4930](https://github.com/rubygems/rubygems/pull/4930)

# 2.2.28 (September 23, 2021)

## Enhancements:

  - Use example.com in new gem template, since it will never have a potentially dangerous backing website [#4918](https://github.com/rubygems/rubygems/pull/4918)
  - Deprecate `--install` flag to `bundle remove` and trigger install by default [#4891](https://github.com/rubygems/rubygems/pull/4891)

# 2.2.27 (September 3, 2021)

## Enhancements:

  - Optimize some requires [#4887](https://github.com/rubygems/rubygems/pull/4887)
  - Correctly redact credentials when using x-oauth-basic [#4866](https://github.com/rubygems/rubygems/pull/4866)

## Bug fixes:

  - Add missing key `branches:` to template for GitHub Actions [#4883](https://github.com/rubygems/rubygems/pull/4883)
  - Fix `bundle plugin install` detection of already installed plugins [#4869](https://github.com/rubygems/rubygems/pull/4869)
  - Make plugin installation idempotent [#4864](https://github.com/rubygems/rubygems/pull/4864)
  - Fix `bundle check` showing duplicated gems when multiple platforms are locked [#4854](https://github.com/rubygems/rubygems/pull/4854)
  - Fix `bundle check` incorrectly considering cached gems [#4853](https://github.com/rubygems/rubygems/pull/4853)

# 2.2.26 (August 17, 2021)

## Enhancements:

  - Remove `RUBYGEMS_GEMDEPS` warning [#4827](https://github.com/rubygems/rubygems/pull/4827)
  - Better defaults for GitHub Actions template generated by `bundle gem` [#4619](https://github.com/rubygems/rubygems/pull/4619)
  - Make `bundle exec` keep file descriptors by default [#4812](https://github.com/rubygems/rubygems/pull/4812)
  - Exclude gemspec file itself from file list of gems generated by `bundle gem` [#4650](https://github.com/rubygems/rubygems/pull/4650)
  - Fix a couple small typos in deprecation / error messages [#4806](https://github.com/rubygems/rubygems/pull/4806)
  - Make script generated by `bundle install --standalone` resilient to moving the application to a differently nested folder when `path` sources are used [#4792](https://github.com/rubygems/rubygems/pull/4792)
  - Exclude CI files and issue templates from file list of gems generated by `bundle gem` [#4033](https://github.com/rubygems/rubygems/pull/4033)

## Bug fixes:

  - Respect `BUNDLE_USER_HOME` env when choosing config location [#4828](https://github.com/rubygems/rubygems/pull/4828)
  - Fix `bundle gem` on path with spaces [#4816](https://github.com/rubygems/rubygems/pull/4816)
  - Fix bundler hitting the network in some cases where not allowed [#4805](https://github.com/rubygems/rubygems/pull/4805)

# 2.2.25 (July 30, 2021)

## Deprecations:

  - Deprecate Gemfile without an explicit global source [#4779](https://github.com/rubygems/rubygems/pull/4779)
  - Deprecate `bundle cache --path` [#4496](https://github.com/rubygems/rubygems/pull/4496)

## Enhancements:

  - Give better errors when materialization fails [#4788](https://github.com/rubygems/rubygems/pull/4788)
  - Lazily load `shellwords` library [#4786](https://github.com/rubygems/rubygems/pull/4786)
  - Show original error and backtrace directly on `bundle install` errors instead of a more brittle `gem install` hint [#4778](https://github.com/rubygems/rubygems/pull/4778)
  - Remove LoadError message in regards to requiring a relative file [#4772](https://github.com/rubygems/rubygems/pull/4772)

## Bug fixes:

  - Fix `BUNDLE_USER_CONFIG` no longer respected as config location [#4797](https://github.com/rubygems/rubygems/pull/4797)
  - Fix `--standalone` installation of default gems [#4782](https://github.com/rubygems/rubygems/pull/4782)
  - Fix `--quiet` flag not printing warnings [#4781](https://github.com/rubygems/rubygems/pull/4781)
  - Fix bundler binstub version selection [#4775](https://github.com/rubygems/rubygems/pull/4775)
  - Fix interrupt handling in Bundler workers [#4767](https://github.com/rubygems/rubygems/pull/4767)

# 2.2.24 (July 15, 2021)

## Bug fixes:

  - Fix development gem unintentionally removed on an edge case [#4751](https://github.com/rubygems/rubygems/pull/4751)
  - Fix dangling empty plugin hooks [#4755](https://github.com/rubygems/rubygems/pull/4755)
  - Fix `bundle plugin install --help` showing `bundle install`'s help [#4756](https://github.com/rubygems/rubygems/pull/4756)
  - Make sure `bundle check` shows uniq missing gems [#4749](https://github.com/rubygems/rubygems/pull/4749)

## Performance:

  - Slightly speed up `bundler/setup` [#4750](https://github.com/rubygems/rubygems/pull/4750)

# 2.2.23 (July 9, 2021)

## Enhancements:

  - Fix `bundle install` on truffleruby selecting incorrect variant for `sorbet-static` gem [#4625](https://github.com/rubygems/rubygems/pull/4625)
  - Spare meaningless warning on read-only bundle invocations [#4724](https://github.com/rubygems/rubygems/pull/4724)

## Bug fixes:

  - Fix incorrect warning about duplicated gems in the Gemfile [#4732](https://github.com/rubygems/rubygems/pull/4732)
  - Fix `bundle plugin install foo` crashing [#4734](https://github.com/rubygems/rubygems/pull/4734)

# 2.2.22 (July 6, 2021)

## Enhancements:

  - Never downgrade indirect dependencies when running `bundle update` [#4713](https://github.com/rubygems/rubygems/pull/4713)
  - Fix `getaddrinfo` errors not treated as fatal on non darwin platforms [#4703](https://github.com/rubygems/rubygems/pull/4703)

## Bug fixes:

  - Fix `bundle update <gem>` sometimes hanging and `bundle lock --update` not being able to update an insecure lockfile to the new format if it requires downgrades [#4652](https://github.com/rubygems/rubygems/pull/4652)
  - Fix edge case combination of DSL methods and duplicated sources causing gems to not be found [#4711](https://github.com/rubygems/rubygems/pull/4711)
  - Fix `bundle doctor` crashing when finding a broken symlink [#4707](https://github.com/rubygems/rubygems/pull/4707)
  - Fix incorrect re-resolve edge case [#4700](https://github.com/rubygems/rubygems/pull/4700)
  - Fix some gems being unintentionally locked under multiple lockfile sections [#4701](https://github.com/rubygems/rubygems/pull/4701)
  - Fix `--conservative` flag unexpectedly updating indirect dependencies. NOTE: As part of this bug fix, some undocumented, unintentional code causing `bundle update --source <gem>` to update conservatively was fixed. Use the documented `bundle update --conservative <gem>` instead [#4692](https://github.com/rubygems/rubygems/pull/4692)

# 2.2.21 (June 23, 2021)

## Security fixes:

  - Auto-update insecure lockfile to split GEM source sections whenever possible [#4647](https://github.com/rubygems/rubygems/pull/4647)

## Enhancements:

  - Use a more limited number of threads when fetching in parallel from the Compact Index API [#4670](https://github.com/rubygems/rubygems/pull/4670)
  - Update TODO link in bundle gem template to https [#4671](https://github.com/rubygems/rubygems/pull/4671)

## Bug fixes:

  - Fix `bundle install --local` hitting the network when `cache_all_platforms` configured [#4677](https://github.com/rubygems/rubygems/pull/4677)

# 2.2.20 (June 11, 2021)

## Enhancements:

  - Don't print bug report template on server side errors [#4663](https://github.com/rubygems/rubygems/pull/4663)
  - Don't load `resolv` unnecessarily [#4640](https://github.com/rubygems/rubygems/pull/4640)

## Bug fixes:

  - Fix `bundle outdated` edge case [#4648](https://github.com/rubygems/rubygems/pull/4648)
  - Fix `bundle check` with scoped rubygems sources [#4639](https://github.com/rubygems/rubygems/pull/4639)

## Performance:

  - Don't use `extra_rdoc_files` with md files in gemspec to make installing bundler with docs faster [#4628](https://github.com/rubygems/rubygems/pull/4628)

# 2.2.19 (May 31, 2021)

## Bug fixes:

  - Restore support for configuration keys with dashes [#4582](https://github.com/rubygems/rubygems/pull/4582)
  - Fix some cached gems being unintentionally ignored when using rubygems 3.2.18 [#4623](https://github.com/rubygems/rubygems/pull/4623)

# 2.2.18 (May 25, 2021)

## Security fixes:

  - Fix dependency confusion issues with implicit dependencies [#4609](https://github.com/rubygems/rubygems/pull/4609)

## Enhancements:

  - Use simpler notation for generated `required_ruby_version` [#4598](https://github.com/rubygems/rubygems/pull/4598)
  - Undeprecate bundle show [#4586](https://github.com/rubygems/rubygems/pull/4586)
  - Make sure link to new issue uses the proper template [#4592](https://github.com/rubygems/rubygems/pull/4592)

## Bug fixes:

  - Fix platform specific gems being removed from the lockfile [#4580](https://github.com/rubygems/rubygems/pull/4580)

# 2.2.17 (May 5, 2021)

## Enhancements:

  - Improve authentication required error message to include an alternative using `ENV` [#4565](https://github.com/rubygems/rubygems/pull/4565)
  - Discard partial range responses without etag [#4563](https://github.com/rubygems/rubygems/pull/4563)
  - Fix configuring ENV for a gem server with a name including dashes [#4571](https://github.com/rubygems/rubygems/pull/4571)
  - Redact credentials from `bundle env` and `bundle config` [#4566](https://github.com/rubygems/rubygems/pull/4566)
  - Redact all sources in verbose mode [#4564](https://github.com/rubygems/rubygems/pull/4564)
  - Improve `bundle pristine` error if `BUNDLE_GEMFILE` does not exist [#4536](https://github.com/rubygems/rubygems/pull/4536)
  - [CurrentRuby] Add 3.0 as a known minor [#4535](https://github.com/rubygems/rubygems/pull/4535)
  - Prefer File.read instead of IO.read [#4530](https://github.com/rubygems/rubygems/pull/4530)
  - Add space after open curly bracket in Gemfile and gems.rb template [#4518](https://github.com/rubygems/rubygems/pull/4518)

## Bug fixes:

  - Make sure specs are fetched from the right source when materializing [#4562](https://github.com/rubygems/rubygems/pull/4562)
  - Fix `bundle cache` with an up-to-date lockfile and specs not already installed [#4554](https://github.com/rubygems/rubygems/pull/4554)
  - Ignore `deployment` setting in inline mode [#4523](https://github.com/rubygems/rubygems/pull/4523)

## Performance:

  - Don't materialize resolutions when not necessary [#4556](https://github.com/rubygems/rubygems/pull/4556)

# 2.2.16 (April 8, 2021)

## Enhancements:

  - Add `--github-username` option and config to `bundle gem` [#3687](https://github.com/rubygems/rubygems/pull/3687)
  - Bump vendored `tmpdir` library copy [#4506](https://github.com/rubygems/rubygems/pull/4506)
  - Add `rake build:checksum` task to build checksums for a gem package [#4156](https://github.com/rubygems/rubygems/pull/4156)
  - Enable bundler-cache for GitHub Actions template [#4498](https://github.com/rubygems/rubygems/pull/4498)
  - Improve `bundle info` error when gem is on a "disabled" group [#4492](https://github.com/rubygems/rubygems/pull/4492)
  - Small tweak to yank message [#4494](https://github.com/rubygems/rubygems/pull/4494)
  - Don't show duplicate entries in `bundle outdated` output [#4474](https://github.com/rubygems/rubygems/pull/4474)
  - Never downgrade top level gems when running `bundle update` [#4473](https://github.com/rubygems/rubygems/pull/4473)

## Bug fixes:

  - Fix incorrect logic for filtering metadata matching candidates [#4497](https://github.com/rubygems/rubygems/pull/4497)

# 2.2.15 (March 19, 2021)

## Enhancements:

  - Add a hint about bundler installing executables for path gems [#4461](https://github.com/rubygems/rubygems/pull/4461)
  - Warn lockfiles with incorrect resolutions [#4459](https://github.com/rubygems/rubygems/pull/4459)
  - Don't generate duplicate redundant sources in the lockfile [#4456](https://github.com/rubygems/rubygems/pull/4456)

## Bug fixes:

  - Respect running ruby when resolving platforms [#4449](https://github.com/rubygems/rubygems/pull/4449)

# 2.2.14 (March 8, 2021)

## Security fixes:

  - Lock GEM sources separately and fix locally installed specs confusing bundler [#4381](https://github.com/rubygems/rubygems/pull/4381)

## Bug fixes:

  - Make `rake` available to other gems' installers right after it's installed [#4428](https://github.com/rubygems/rubygems/pull/4428)
  - Fix encoding issue on compact index updater [#4362](https://github.com/rubygems/rubygems/pull/4362)

# 2.2.13 (March 3, 2021)

## Enhancements:

  - Respect user configured default branch in README links in new generated gems [#4303](https://github.com/rubygems/rubygems/pull/4303)

## Bug fixes:

  - Fix gems sometimes being pulled from irrelevant sources [#4418](https://github.com/rubygems/rubygems/pull/4418)

# 2.2.12 (March 1, 2021)

## Bug fixes:

  - Fix sporadic warnings about `nil` gemspec on install/update and make those faster [#4409](https://github.com/rubygems/rubygems/pull/4409)
  - Fix deployment install with duplicate path gems added to Gemfile [#4410](https://github.com/rubygems/rubygems/pull/4410)

# 2.2.11 (February 17, 2021)

## Bug fixes:

  - Revert disable_multisource changes [#4385](https://github.com/rubygems/rubygems/pull/4385)

# 2.2.10 (February 15, 2021)

## Security fixes:

  - Fix source priority for transitive dependencies and split lockfile rubygems source sections [#3655](https://github.com/rubygems/rubygems/pull/3655)

## Bug fixes:

  - Fix adding platforms to lockfile sometimes conflicting on ruby requirements [#4371](https://github.com/rubygems/rubygems/pull/4371)
  - Fix bundler sometimes choosing ruby variants over java ones [#4367](https://github.com/rubygems/rubygems/pull/4367)

## Documentation:

  - Update man pages to reflect to new default for bundle install jobs [#4188](https://github.com/rubygems/rubygems/pull/4188)

# 2.2.9 (February 8, 2021)

## Enhancements:

  - Stop removing existing platforms when force_ruby_platform is true [#4336](https://github.com/rubygems/rubygems/pull/4336)

## Bug fixes:

  - Don't install platform specific gems on truffleruby [#4333](https://github.com/rubygems/rubygems/pull/4333)

# 2.2.8 (February 2, 2021)

## Enhancements:

  - Add a CHANGELOG.md file to gems generated by `bundle gem` [#4093](https://github.com/rubygems/rubygems/pull/4093)
  - Support gemified `set` [#4297](https://github.com/rubygems/rubygems/pull/4297)

## Bug fixes:

  - Fix standalone Kernel.require visibility [#4337](https://github.com/rubygems/rubygems/pull/4337)

## Performance:

  - Fix resolver edge cases and speed up bundler [#4277](https://github.com/rubygems/rubygems/pull/4277)

# 2.2.7 (January 26, 2021)

## Enhancements:

  - Improve error messages when dependency on bundler conflicts with running version [#4308](https://github.com/rubygems/rubygems/pull/4308)
  - Avoid showing platforms with requirements in error messages [#4310](https://github.com/rubygems/rubygems/pull/4310)
  - Introduce disable_local_revision_check config [#4237](https://github.com/rubygems/rubygems/pull/4237)
  - Reverse rubygems require mixin with bundler standalone [#4299](https://github.com/rubygems/rubygems/pull/4299)

## Bug fixes:

  - Fix releasing from a not yet pushed branch [#4309](https://github.com/rubygems/rubygems/pull/4309)
  - Install cache only once if it already exists [#4304](https://github.com/rubygems/rubygems/pull/4304)
  - Fix `force_ruby_platform` no longer being respected [#4302](https://github.com/rubygems/rubygems/pull/4302)

## Performance:

  - Fix resolver dependency comparison [#4289](https://github.com/rubygems/rubygems/pull/4289)

# 2.2.6 (January 18, 2021)

## Enhancements:

  - Improve resolver debugging [#4288](https://github.com/rubygems/rubygems/pull/4288)

## Bug fixes:

  - Fix dependency locking for path source [#4293](https://github.com/rubygems/rubygems/pull/4293)

## Performance:

  - Speed up complex dependency resolves by creating DepProxy factory and cache [#4216](https://github.com/rubygems/rubygems/pull/4216)

# 2.2.5 (January 11, 2021)

## Enhancements:

  - Improve rubocop setup in the new gem template [#4220](https://github.com/rubygems/rubygems/pull/4220)
  - Support repositories with default branch not named master [#4224](https://github.com/rubygems/rubygems/pull/4224)

## Bug fixes:

  - Let Net::HTTP decompress the index instead of doing it manually [#4081](https://github.com/rubygems/rubygems/pull/4081)
  - Workaround for another jruby crash when autoloading a constant [#4252](https://github.com/rubygems/rubygems/pull/4252)
  - Fix another performance regression in the resolver [#4243](https://github.com/rubygems/rubygems/pull/4243)
  - Restore support for old git versions [#4233](https://github.com/rubygems/rubygems/pull/4233)
  - Give a proper error if cache path does not have write access [#4215](https://github.com/rubygems/rubygems/pull/4215)
  - Fix running `rake release` from an ambiguous ref [#4219](https://github.com/rubygems/rubygems/pull/4219)

# 2.2.4 (December 31, 2020)

## Bug fixes:

  - Fix bundle man pages display on truffleruby [#4209](https://github.com/rubygems/rubygems/pull/4209)
  - Fix Windows + JRuby no longer being able to install git sources [#4196](https://github.com/rubygems/rubygems/pull/4196)

# 2.2.3 (December 22, 2020)

## Bug fixes:

  - Restore full compatibility with previous lockfiles [#4179](https://github.com/rubygems/rubygems/pull/4179)
  - Add all matching variants with the same platform specificity to the lockfile [#4180](https://github.com/rubygems/rubygems/pull/4180)
  - Fix bundler installing gems for a different platform when running in frozen mode and current platform not in the lockfile [#4172](https://github.com/rubygems/rubygems/pull/4172)
  - Fix crash when `bundle exec`'ing to bundler [#4175](https://github.com/rubygems/rubygems/pull/4175)

# 2.2.2 (December 17, 2020)

## Bug fixes:

  - Fix resolver crash when a candidate has 0 matching platforms [#4163](https://github.com/rubygems/rubygems/pull/4163)
  - Restore change to copy global with/without config locally upon `bundle install` [#4154](https://github.com/rubygems/rubygems/pull/4154)

# 2.2.1 (December 14, 2020)

## Bug fixes:

  - Ad-hoc fix for platform regression [#4127](https://github.com/rubygems/rubygems/pull/4127)
  - Workaround JRuby + Windows issue with net-http-persistent vendored code [#4138](https://github.com/rubygems/rubygems/pull/4138)
  - Reset also root when in a nested invocation [#4140](https://github.com/rubygems/rubygems/pull/4140)
  - Restore 2.1.4 resolution times [#4134](https://github.com/rubygems/rubygems/pull/4134)
  - Fix `bundle outdated --strict` crash [#4133](https://github.com/rubygems/rubygems/pull/4133)
  - Autoload `Bundler::RemoteSpecification` to workaround crash on jruby [#4114](https://github.com/rubygems/rubygems/pull/4114)

# 2.2.0 (December 7, 2020)

## Enhancements:

  - New gem template: prefer `require_relative` to `require` [#4066](https://github.com/rubygems/rubygems/pull/4066)
  - Always show underlying error when fetching specs fails [#4061](https://github.com/rubygems/rubygems/pull/4061)
  - Add `--all-platforms` flag to `bundle binstubs` to generate binstubs for all platforms [#3886](https://github.com/rubygems/rubygems/pull/3886)
  - Improve gem not found in source error messages [#4019](https://github.com/rubygems/rubygems/pull/4019)
  - Revert resolving all Gemfile platforms automatically [#4052](https://github.com/rubygems/rubygems/pull/4052)
  - Remove extra empty line from README template [#4041](https://github.com/rubygems/rubygems/pull/4041)
  - Lazily load `erb` [#4011](https://github.com/rubygems/rubygems/pull/4011)

## Bug fixes:

  - Fix `Bundler::Plugin::API::Source#to_s` having empty source type [#4084](https://github.com/rubygems/rubygems/pull/4084)
  - Raise consistent errors with or without `bundle exec` [#4063](https://github.com/rubygems/rubygems/pull/4063)
  - Fix edge case resulting in a crash when using `zeitwerk` inside a nested `bundle exec` invocation [#4062](https://github.com/rubygems/rubygems/pull/4062)
  - Enable `specific_platform` by default [#4015](https://github.com/rubygems/rubygems/pull/4015)
  - Prevent remove command from deleting gemfile lines that are comments [#4045](https://github.com/rubygems/rubygems/pull/4045)
  - Fix issue with `cache_all_platforms` and `specific_platform` configured [#4042](https://github.com/rubygems/rubygems/pull/4042)
  - Fix incorrect error message on Windows [#4039](https://github.com/rubygems/rubygems/pull/4039)
  - Make printed drive letters consistent on Windows [#4038](https://github.com/rubygems/rubygems/pull/4038)
  - Load rubygems plugins from RUBYLIB during `bundle install` and `bundle update` [#3534](https://github.com/rubygems/rubygems/pull/3534)
  - Fix `specific_platform` and `cache_all` with `bundle cache --all-platforms` [#4022](https://github.com/rubygems/rubygems/pull/4022)
  - Bring back the possibility to install a plugin from path [#4020](https://github.com/rubygems/rubygems/pull/4020)
  - Move ronn pages to lib [#3997](https://github.com/rubygems/rubygems/pull/3997)
  - Fix fileutils double load when using `bundler/inline` [#3991](https://github.com/rubygems/rubygems/pull/3991)
  - Accept responses with no etag header [#3865](https://github.com/rubygems/rubygems/pull/3865)

## Documentation:

  - Fix typo of `bundle-install.1` (v2.1) [#4079](https://github.com/rubygems/rubygems/pull/4079)
  - Add commented out example and more information link to generated gemspec [#4034](https://github.com/rubygems/rubygems/pull/4034)

# 2.2.0.rc.2 (October 6, 2020)

## Features:

  - Add `bundle fund` command [#3390](https://github.com/rubygems/rubygems/pull/3390)

## Enhancements:

  - Fix ls-files matching regexp [#3845](https://github.com/rubygems/rubygems/pull/3845)
  - Remove redundant `bundler/setup` require from `spec_helper.rb` generated by `bundle gem` [#3791](https://github.com/rubygems/rubygems/pull/3791)

## Bug fixes:

  - Deduplicate spec groups [#3965](https://github.com/rubygems/rubygems/pull/3965)
  - Fix some cases of running `bundler` on a path including brackets [#3854](https://github.com/rubygems/rubygems/pull/3854)
  - Don't warn when deinit'ing submodules [#3969](https://github.com/rubygems/rubygems/pull/3969)
  - Make `bundle clean --force` leave default gem executables untouched [#3907](https://github.com/rubygems/rubygems/pull/3907)
  - Prioritize `path.system` over `path` when it makes sense [#3933](https://github.com/rubygems/rubygems/pull/3933)
  - Sort requirements in Gem::Requirement to succeed comparison with different order [#3889](https://github.com/rubygems/rubygems/pull/3889)
  - Print bug report template to standard error [#3924](https://github.com/rubygems/rubygems/pull/3924)
  - Restore `bundle cache --all` in all cases [#3914](https://github.com/rubygems/rubygems/pull/3914)
  - Move shebang to the top of `bin/console` template [#3927](https://github.com/rubygems/rubygems/pull/3927)
  - Fix platform issues when running under a frozen bundle [#3909](https://github.com/rubygems/rubygems/pull/3909)
  - Fix deprecation messages for `bundle install` flags, the config should be --local as before [#3917](https://github.com/rubygems/rubygems/pull/3917)
  - Look for absolute path when removing bundler/setup from RUBYOPT in Bundler.unbundled_env method [#3877](https://github.com/rubygems/rubygems/pull/3877)
  - Fix incorrect re-resolution when path gem excluded and not available [#3902](https://github.com/rubygems/rubygems/pull/3902)
  - Fix error when building error message in `bundler/inline` [#3901](https://github.com/rubygems/rubygems/pull/3901)
  - Fix regression related to locked ruby [#3900](https://github.com/rubygems/rubygems/pull/3900)
  - Expand load paths in standalone setup.rb file [#3522](https://github.com/rubygems/rubygems/pull/3522)
  - Fix broken exception recovery code when installing plugins [#3487](https://github.com/rubygems/rubygems/pull/3487)
  - Fix incorrect build info on development versions of bundler, and on bundler versions installed as a default gem [#3778](https://github.com/rubygems/rubygems/pull/3778)
  - Avoid autoloading `openssl` to try help with jruby load service issues [#3809](https://github.com/rubygems/rubygems/pull/3809)
  - Fix `rake release` pushing all local tags instead of only the release tag [#3785](https://github.com/rubygems/rubygems/pull/3785)
  - Fix `rake release` aborting when credentials file is missing, even if properly configured through XDG [#3783](https://github.com/rubygems/rubygems/pull/3783)

## Deprecations:

  - Deprecate `bundle cache --all` flag [#3932](https://github.com/rubygems/rubygems/pull/3932)

## Documentation:

  - Correct grammar in Gemfile docs [#3990](https://github.com/rubygems/rubygems/pull/3990)
  - Fix typo in `bundle pristine` warning message [#3959](https://github.com/rubygems/rubygems/pull/3959)
  - Improve human readable fallback version of CLI help messages [#3921](https://github.com/rubygems/rubygems/pull/3921)
  - Note CLI flag deprecations in documentation [#3915](https://github.com/rubygems/rubygems/pull/3915)
  - Update man page and deprecation warning for binstubs --all [#3872](https://github.com/rubygems/rubygems/pull/3872)

# 2.2.0.rc.1 (July 2, 2020)

## Features:

  - Windows support. There's still gotchas and unimplemented features, but a Windows CI is now enforced.
  - Full multiplatform support. Bundler should now seamlessly handle multiplatform `Gemfile` or `gems.rb` files.

## Enhancements:

  - `bundle info` now includes gem metadata [#7376](https://github.com/rubygems/bundler/pull/7376)
  - `bundle list --without-group` and `bundle list --only-group` now support space separated list of groups in addition to single groups [#7404](https://github.com/rubygems/bundler/pull/7404)
  - `bundle gem` now supports a `--rubocop` flag that adds the `rubocop` gem to the new gem layout [#6455](https://github.com/rubygems/bundler/pull/6455)
  - `bundle gem` now supports `--test-unit` in addition to `rspec` and `minitest` as a value for its `--test` option [#5521](https://github.com/rubygems/bundler/pull/5521)
  - `bundle install` now uses the available number of processors automatically for concurrent gem install, except for Windows where it still uses a single thread by default [#3393](https://github.com/rubygems/rubygems/pull/3393) and [#3718](https://github.com/rubygems/rubygems/pull/3718)
  - Report Gitlab CI within bundler user-agent string [#3432](https://github.com/rubygems/rubygems/pull/3432)
  - Add `bundle plugin uninstall` [#3482](https://github.com/rubygems/rubygems/pull/3482)
  - `bundle gem` now supports a `--ci` flag and a `gem.ci` configuration that adds CI config files for the main CI providers to the generated gem skeleton [#3667](https://github.com/rubygems/rubygems/pull/3667)
  - Allow setting a tag prefix to be used by release tasks [#3766](https://github.com/rubygems/rubygems/pull/3766)
  - `bundle outdated` now prints output in columns for better readability [#4474](https://github.com/rubygems/bundler/pull/4474)
  - bundler's `release` rake task now prints a better message when not being logged in and trying to push a gem [#7513](https://github.com/rubygems/bundler/pull/7513)
  - `BUNDLE_APP_CONFIG` environment variable is now documented [#7563](https://github.com/rubygems/bundler/pull/7563)
  - Original exception is now reported when bundler fails to load OpenSSL [#7527](https://github.com/rubygems/bundler/pull/7527)
  - RVM specific instructions for recompiling ruby is no longer recommended when bundler fails to load OpenSSL [#7597](https://github.com/rubygems/bundler/pull/7597)
  - Improve resolver debugging out from resolver [#7589](https://github.com/rubygems/bundler/pull/7589) and [#7590](https://github.com/rubygems/bundler/pull/7590)
  - Clarify `bundle config --local` docs [#3408](https://github.com/rubygems/rubygems/pull/3408)
  - Make sure to not "leak" to a different bundler install under any circumstances [#3595](https://github.com/rubygems/rubygems/pull/3595)
  - Make sure users messing with `$;` doesn't affect us [#3602](https://github.com/rubygems/rubygems/pull/3602)
  - Remove explicit psych activation which could potentially lead to packaging-specific issues [#3638](https://github.com/rubygems/rubygems/pull/3638)
  - Deprecate `--no-deployment` flag and never recommend it [#3657](https://github.com/rubygems/rubygems/pull/3657)
  - `bundle gem` test framework defaults to the `gem.test` setting and asks for a value without overwriting configuration if `-t` without a value is passed explicitly [#3544](https://github.com/rubygems/rubygems/pull/3544)
  - `bundle gem` now ships with a default `.rubocop.yml` file and an offense free initial gem skeleton [#3731](https://github.com/rubygems/rubygems/pull/3731), [#3740](https://github.com/rubygems/rubygems/pull/3740), [#3765](https://github.com/rubygems/rubygems/pull/3765)
  - Remove some requires that might workaround some autoloading issues on jruby [#3771](https://github.com/rubygems/rubygems/pull/3771)
  - Unswallow an error that should make some random crashes on jruby easier to troubleshoot [#3774](https://github.com/rubygems/rubygems/pull/3774)

## Bug fixes:

  - Fix `bundle pristine` removing gems with local overrides. Be conservative by printing a warning and skipping the removal [#7423](https://github.com/rubygems/bundler/pull/7423)
  - Fix multiplaform resolution edge cases [#7522](https://github.com/rubygems/bundler/pull/7522) and [#7578](https://github.com/rubygems/bundler/pull/7578)
  - Fix ruby version conflicts not displaying the current ruby version [7559](https://github.com/rubygems/bundler/pull/7559)
  - Fix `Gemfile` or `gems.rb` files containing `:path` gems using relative paths not working when the app is packaged as a `jar` with `warbler` [#7614](https://github.com/rubygems/bundler/pull/7614)
  - Fix config location edge case where if `BUNDLE_APP_CONFIG` is set to an absolute path like in official ruby docker images, and there's no Gemfile up in the directory hierarchy, bundler would end up using the default config location instead of the customized one [#7622](https://github.com/rubygems/bundler/pull/7622)
  - Fix error message about missing permissions recommending a deprecated command [#7633](https://github.com/rubygems/bundler/pull/7633)
  - Fix `init_gems_rb` setting being ignored by `bundle gem` [#7629](https://github.com/rubygems/bundler/pull/7629)
  - Fix "unresolvable warning" being printed on `bundle install` of multipliplatform `Gemfile` or `gems.rb` files without lockfiles, multiplatform is now managed automatically [#7580](https://github.com/rubygems/bundler/pull/7580)
  - Fix setting the number of `--jobs` to be one unit less than specified to the CLI [#3393](https://github.com/rubygems/rubygems/pull/3393)
  - Fix extension building when the same git source specifies several gems with extensions [#3475](https://github.com/rubygems/rubygems/pull/3475)
  - Fix uninitialized instance variable warning under ruby-head (2.8-dev) [#3477](https://github.com/rubygems/rubygems/pull/3477)
  - Fix double chdir warning while installing a git gem with extensions [#3479](https://github.com/rubygems/rubygems/pull/3479)
  - Fix some deprecations not showing up when CLI flags passed as `--flag=value` [#3561](https://github.com/rubygems/rubygems/pull/3561)
  - Fix man pages display when bundler installed as a default gem [#3562](https://github.com/rubygems/rubygems/pull/3562)
  - Fix bundler gem tasks not handling relative paths [#3586](https://github.com/rubygems/rubygems/pull/3586)
  - Fix deprecation warnings when options the dashed names are used, such as `--no-prune` [#3623](https://github.com/rubygems/rubygems/pull/3623)
  - Fix crash related to bundler gem activation under old rubygems version (2.6.1 or older) [#3626](https://github.com/rubygems/rubygems/pull/3626)
  - Avoid stack overflow inside `StubSpecification` on some edge cases [#3635](https://github.com/rubygems/rubygems/pull/3635)
  - Fix `bundle remove` with multiline gem specifications [#3400](https://github.com/rubygems/rubygems/pull/3400)
  - Fix `bundle info` not informing about deleted gems as opposed to old `bundle show` [#3509](https://github.com/rubygems/rubygems/pull/3509)
  - The `--no-deployment` flag to `bundle install` was deprecated just like the other flags that rely on their value being remembered [#3657](https://github.com/rubygems/rubygems/pull/3657)
  - Fix `bundle install` unintentionally copying `with` and `without` global config to local configuration [#3666](https://github.com/rubygems/rubygems/pull/3666). This PR also address the `BUNDLE_WITH` environment variable unintentionally being persisted to configuration in a similar way ([#3708](https://github.com/rubygems/rubygems/issues/3708))
  - Fix race condition in `bundle install` that could "empty" exceptions to be raised [#3669](https://github.com/rubygems/rubygems/pull/3669)
  - Fix `--no-cache` to `bundle install` being unintentionally deprecated [#3688](https://github.com/rubygems/rubygems/pull/3688)
  - Avoid calling `LoadError#message` to fix performance regression in future ruby 3.0 [#3762](https://github.com/rubygems/rubygems/pull/3762)

# 2.1.4 (January 5, 2020)

## Bug fixes:

  - Fix `net-http-pipeline` no longer being allowed in Gemfiles if already installed in the system due to our vendored version of `net-http-persistent` optionally requiring it [#7529](https://github.com/bundler/bundler/pull/7529)
  - Fix inline gems no longer being requirable if no Gemfile is present in the directory hierarchy [#7537](https://github.com/bundler/bundler/pull/7537)

# 2.1.3 (January 2, 2020)

## Bug fixes:

  - Fix `rake build` when path has spaces on it [#7514](https://github.com/bundler/bundler/pull/7514)
  - Fix `rake release` git push tasks when the running shell has `git` as an alias of another command (like `hub`) [#7510](https://github.com/bundler/bundler/pull/7510)
  - Fix some circular require warnings [#7520](https://github.com/bundler/bundler/pull/7520)
  - Fix `bundle config set deployment true` recommended alternative to `bundle config --deployment` to behave in the same way as the `--deployment` flag [#7519](https://github.com/bundler/bundler/pull/7519)

# 2.1.2 (December 20, 2019)

## Bug fixes:

  - Restore an explicit `require "rubygems"` on top `rubygems_integration.rb` to avoid some missing constant errors under some convoluted setups [#7505](https://github.com/rubygems/bundler/pull/7505)

# 2.1.1 (December 17, 2019)

## Bug fixes:

  - Fix some cases of shelling out to `rubygems` still being silent [#7493](https://github.com/rubygems/bundler/pull/7493)
  - Restore compatibility with `rubygems-bundler` so that binstubs work under `RVM` [#7498](https://github.com/rubygems/bundler/pull/7498)

# 2.1.0 (December 15, 2019)

## Features:

  - Add support for new default gems. In particular,

    * `open3` [#7455](https://github.com/rubygems/bundler/pull/7455)
    * `cgi`: [#7456](https://github.com/rubygems/bundler/pull/7456)
    * `uri` [#7460](https://github.com/rubygems/bundler/pull/7460)

    plus other PRs removing or lazily loading usages of these gems from other places to not interfere with user's choice, such as [#7471](https://github.com/rubygems/bundler/pull/7471) or [#7473](https://github.com/bundler/bundler/pull/7473)

## Bug fixes:

  - Fix `bundle exec rake install` failing [#7474](https://github.com/rubygems/bundler/pull/7474)
  - Fix `bundle exec`'ing to rubygems being silent [#7442](https://github.com/rubygems/bundler/pull/7442)
  - Restore previous `BUNDLE_GEMFILE` in `bundler/inline` [#7418](https://github.com/rubygems/bundler/pull/7418)
  - Fix error when using `gem` DSL's `:glob` option for selecting gemspecs from a specific source [#7419](https://github.com/rubygems/bundler/pull/7419)

## Enhancements:

  - `bundle config` no longer warns when using "old interface" (might be deprecated again in the future) [#7475](https://github.com/rubygems/bundler/pull/7475)
  - `bundle update` no longer warns when used without arguments (might be deprecated again in the future) [#7475](https://github.com/rubygems/bundler/pull/7475)

# 2.1.0.pre.3 (November 12, 2019)

## Features:

  - Add caller information to some deprecation messages to make them easier to fix [#7361](https://github.com/rubygems/bundler/pull/7361)
  - Reconcile `bundle cache` vs `bundle package` everywhere. Now in docs, CLI help and everywhere else `bundle cache` is the preferred version and `bundle package` remains as an alias [#7389](https://github.com/rubygems/bundler/pull/7389)
  - Display some basic `bundler` documentation together with ruby's RDoc based documentation [#7394](https://github.com/rubygems/bundler/pull/7394)

## Bug fixes:

  - Fix typos deprecation message and upgrading docs [#7374](https://github.com/rubygems/bundler/pull/7374)
  - Deprecation warnings about `taint` usage on ruby 2.7 [#7385](https://github.com/rubygems/bundler/pull/7385)
  - Fix `--help` flag not correctly delegating to `man` when used with command aliases [#7388](https://github.com/rubygems/bundler/pull/7388)
  - `bundle add` should cache newly added gems if an application cache exists [#7393](https://github.com/rubygems/bundler/pull/7393)
  - Stop using an insecure folder as a "fallback home" when user home is not defined [#7416](https://github.com/rubygems/bundler/pull/7416)
  - Fix `bundler/inline` warning about `Bundler.root` redefinition [#7417](https://github.com/rubygems/bundler/pull/7417)

# 2.1.0.pre.2 (September 15, 2019)

## Bug fixes:

  - Fix `bundle clean` trying to delete non-existent directory ([#7340](https://github.com/rubygems/bundler/pull/7340))
  - Fix warnings about keyword argument separation on ruby 2.7 ([#7337](https://github.com/rubygems/bundler/pull/7337))

# 2.1.0.pre.1 (August 28, 2019)

  One of the biggest changes in bundler 2.1.0 is that deprecations for upcoming
  breaking changes in bundler 3 will be turned on by default. We do this to grab
  feedback and communicate early to our users the kind of changes we're intending
  to ship with bundler 3. See
  [#6965](https://github.com/rubygems/bundler/pull/6965).

  Another important improvement is a better coexistence between bundler
  installations and the default copy of bundler that comes with ruby installed as
  a default gem. Since bundler is shipped as a default gem with ruby, a number of
  users have been affected by issues where bundler ends up failing due to version
  mismatches, because at some point of the execution, bundler switches to run the
  default copy instead of the expected version. A number of PRs have been focused
  on minimizing (hopefully eliminating) this, such as
  [#7100](https://github.com/rubygems/bundler/pull/7100),
  [#7137](https://github.com/rubygems/bundler/pull/7137),
  [#6996](https://github.com/rubygems/bundler/pull/6996),
  [#7056](https://github.com/rubygems/bundler/pull/7056),
  [#7062](https://github.com/rubygems/bundler/pull/7062),
  [#7193](https://github.com/rubygems/bundler/pull/7193),
  [#7216](https://github.com/rubygems/bundler/pull/7216),
  [#7274](https://github.com/rubygems/bundler/pull/7274)

## Deprecations:

  * See the [the upgrading document](UPGRADING.md) for a detailed explanation of
    the deprecations that are getting enabled in bundler 2.1, and the future
    breaking changes in bundler 3.

## Features:

  - Reimplement `config` command using subcommands ([#5981](https://github.com/rubygems/bundler/pull/5981))
  - Add `bundle plugin list` command ([#6120](https://github.com/rubygems/bundler/pull/6120))
  - Introduce a `bundle lock --gemfile` flag ([#6748](https://github.com/rubygems/bundler/pull/6748))
  - Add local git repository source option (`--local_git`) to plugin installation ([#6749](https://github.com/rubygems/bundler/pull/6749))
  - Add `quiet` flag to inline bundler ([#6828](https://github.com/rubygems/bundler/pull/6828))
  - Introduce a `prefer_patch` configuration that makes `bundle update` behave like `bundle update --patch` ([#6931](https://github.com/rubygems/bundler/pull/6931))
  - Introduce `Bundler.original_system` and `Bundler.original_exec` to shell out or exec to external programs using the original environment before bundler was loaded ([#7052](https://github.com/rubygems/bundler/pull/7052))
  - Add feature parity to `bundle info GEM` with respect to the old deprecated command `bundle show GEM` [#7026](https://github.com/rubygems/bundler/pull/7026)
  - Introduce `bundle list` to list groups of gems in your Gemfile. This command was actually documented, but was working as an alias to `bundle show` so this could also be considered a bug fix :) [#7072](https://github.com/rubygems/bundler/pull/7072)
  - Introduce `bundle outdated --filter-strict` as an alias to `bundle outdated --strict` [#6030](https://github.com/rubygems/bundler/pull/6030)
  - Add `:git` and `:branch` options to `bundle add` ([#7127](https://github.com/rubygems/bundler/pull/7127))
  - Add `:ruby_26` as a valid value to the `:platform(s)` dsl ([#7155](https://github.com/rubygems/bundler/pull/7155))
  - Let the `bundle cache` command include all features currently provided by `bundle package` ([#7249](https://github.com/rubygems/bundler/pull/7249))
  - Several improvements on new gem templates ([#6924](https://github.com/rubygems/bundler/pull/6924), [#6968](https://github.com/bundler/bundler/pull/6968), [#7209](https://github.com/bundler/bundler/pull/7209), [#7222](https://github.com/bundler/bundler/pull/7222), [#7238](https://github.com/bundler/bundler/pull/7238))
  - Add `--[no-]git` option to `bundle gem` to generate non source control gems. Useful for monorepos, for example ([#7263](https://github.com/rubygems/bundler/pull/7263))

## Bug fixes:

  - Raise when the same gem is available in multiple sources, and show a suggestion to solve it ([#5985](https://github.com/rubygems/bundler/pull/5985))
  - Validate that bundler has permissions to write to the tmp directory, and raise with a meaningful error otherwise ([#5954](https://github.com/rubygems/bundler/pull/5954))
  - Remove downloaded `.gem` file from the cache if it's corrupted ([#6010](https://github.com/rubygems/bundler/pull/6010))
  - Fix generated README in new gems to explicitly suggest running `bundle install`, so that the outcome is independent from the major version of bundler being run ([#6068](https://github.com/rubygems/bundler/pull/6068))
  - Fix `bundle outdated --group NAME` when the group is listed second in the Gemfile ([#6116](https://github.com/rubygems/bundler/pull/6116))
  - Improve conflict resolution messages by not calling "ruby" a gem when conflict happens in the `required_ruby_version`, and by filtering out requirements that didn't contribute to the conflict ([#6647](https://github.com/rubygems/bundler/pull/6647))
  - Avoid fetching and rebuilding git gems whenever any gem is changed in the Gemfile ([#6711](https://github.com/rubygems/bundler/pull/6711))
  - Include the exact bundler version in the lock file in the suggested command when bundler warns about version mismatches of itself [#6971](https://github.com/rubygems/bundler/pull/6971)
  - Fix plugins being installed every time a command is run #[#6978](https://github.com/rubygems/bundler/pull/6978)
  - Fallback to sequentially fetching specs on 429s [#6728](https://github.com/rubygems/bundler/pull/6728)
  - Make `bundle clean` also clean native extensions for gems with a git source [#7058](https://github.com/rubygems/bundler/pull/7058)
  - Fix `bundle info bundler` to show the correct path to the bundler gem [#7026](https://github.com/rubygems/bundler/pull/7026)
  - Fix `bundle config build.<gem>` not sending multiple parameters to `extconf.rb` correctly [#7023](https://github.com/rubygems/bundler/pull/7023)
  - Fix bad error message on Gemfile errors under ruby 2.7 (still unreleased, but it's a bugfix for beta testers after all) [#7038](https://github.com/rubygems/bundler/pull/7038)
  - Warn about situations where multiple gems provide the same executable ([#7075](https://github.com/rubygems/bundler/pull/7075))
  - Ignore `frozen` setting in inline mode ([#7125](https://github.com/rubygems/bundler/pull/7125))
  - Fix incorrect "bundler attempted to update GEM but version stayed the same" message when updating git sourced gems ([#6325](https://github.com/rubygems/bundler/pull/6325))
  - Don't check for existence of a writable home directory if `BUNDLE_USER_HOME` is set ([#6885](https://github.com/rubygems/bundler/pull/6885))
  - Fix error message when server would respond to a bad username/password request with a 401 ([#6928](https://github.com/rubygems/bundler/pull/6928))
  - Fix `bundle outdated` pluralization when multiple groups are requested ([#7063](https://github.com/rubygems/bundler/pull/7063))
  - Fix `bundle install` not updating conservatively when gemspec is changed ([#7143](https://github.com/rubygems/bundler/pull/7143))
  - Fix `bundle exec` not respecting custom process titles inside scripts ([#7140](https://github.com/rubygems/bundler/pull/7140))
  - Fix `bundle update` message about exclude groups saying "installed" instead of "updated" ([#7150](https://github.com/rubygems/bundler/pull/7150))
  - Fix `bundle licenses` not showing correct information about bundler itself ([#7147](https://github.com/rubygems/bundler/pull/7147))
  - Fix installation path not including ruby scope when `BUNDLE_PATH` was set ([#7163](https://github.com/rubygems/bundler/pull/7163))
  - Fix `bundle clean` incorrectly removing git dependencies present in the Gemfile when rubygems 3.0+ was used and path involved a symlink ([#7211](https://github.com/rubygems/bundler/pull/7211))
  - Fix platform specific gems always being re-resolved when bundler was not running under that platform ([#7212](https://github.com/rubygems/bundler/pull/7212))
  - Fix `bundle package --all-platforms` causing `bundle install` to ignore `--with` and `--without` ([#6113](https://github.com/rubygems/bundler/pull/6113))
  - Fix `MissingRevision` git errors to include the specific `git` command that failed under the hood ([#7225](https://github.com/rubygems/bundler/pull/7225))
  - Fix using gemspec & `force_ruby_platform` on Windows ([#6809](https://github.com/rubygems/bundler/pull/6809))
  - Make bundler's binstub checks on bundler version consistent with rubygems `BundlerVersionFinder` ([#7259](https://github.com/rubygems/bundler/pull/7259))
  - Fix `bundle install` and `bundle update` generating different lockfiles when `path:` gems with relative paths starting with "./" were used ([#7264](https://github.com/rubygems/bundler/pull/7264))
  - Give a proper error when user tries to `bundle open` a default gem ([#7288](https://github.com/rubygems/bundler/pull/7288))
  - Fix `bundle doctor` command ([#7309](https://github.com/rubygems/bundler/pull/7309))
  - Fix bundler giving an unclear recommendation when duplicated gems are found in the Gemfile ([#7302](https://github.com/rubygems/bundler/pull/7302))

## Documentation:

  - Fix typo on a file extension in `bundle.ronn` [#7146](https://github.com/rubygems/bundler/pull/7146)
  - Fix incorrect default value for `cache_path` configuration ([#7229](https://github.com/rubygems/bundler/pull/7229))
  - Binstubs documentation has been improved ([#5889](https://github.com/rubygems/bundler/pull/5889))
  - Fix incorrect sections when explaining `:git`, `:branch`, and `:ref` options ([#7265](https://github.com/rubygems/bundler/pull/7265))
  - Fix mentions to remembered options in docs to explain the current state ([#7242](https://github.com/rubygems/bundler/pull/7242))

  Internally, there's also been a bunch of improvements in our development
  environment, test suite, policies, contributing docs, and a bunch of cleanups of
  old compatibility code.

# 2.0.2 (June 13, 2019)

## Enhancements:

  - Fixes for Bundler integration with ruby-src ([#6941](https://github.com/rubygems/bundler/pull/6941), [#6973](https://github.com/bundler/bundler/pull/6973), [#6977](https://github.com/bundler/bundler/pull/6977), [#6315](https://github.com/bundler/bundler/pull/6315), [#7061](https://github.com/bundler/bundler/pull/7061))
  - Use `__dir__` instead of `__FILE__` when generating a gem with `bundle gem` ([#6503](https://github.com/rubygems/bundler/pull/6503))
  - Use `https` on externals links in the Bundler gemspec ([#6721](https://github.com/rubygems/bundler/pull/6721))
  - Removed duplicate gem names from the suggested `did you mean` list for gem typos ([#6739](https://github.com/rubygems/bundler/pull/6739))
  - Removed Ruby 1.x compatibility code ([#6764](https://github.com/rubygems/bundler/pull/6764), [#6806](https://github.com/bundler/bundler/pull/6806))
  - Fixed an issue where `bundle remove` would crash with certain Gemfiles ([#6768](https://github.com/rubygems/bundler/pull/6769))
  - Fixed indentation in the Bundler executable template ([#6773](https://github.com/rubygems/bundler/pull/6773))
  - Fixed an issue where plugins could register for the same Bundler hook multiple times ([#6775](https://github.com/rubygems/bundler/pull/6775))
  - Changed the "multiple sources" message in `bundle install` to be a warning instead of an error ([#6790](https://github.com/rubygems/bundler/pull/6790))
  - Fixed a bug where path gems would break when using `only_update_to_newer_versions` ([#6774](https://github.com/rubygems/bundler/pull/6774))
  - Fixed a bug where installing plugins with the `--deployment` setting would fail ([#6805](https://github.com/rubygems/bundler/pull/6805))
  - Fixed an issue where `bundle update` couldn't update & install a gem when `no_install` was set (a `bundle package` config) ([#7078](https://github.com/rubygems/bundler/pull/7078))
  - Fixed an issue where users could not run `bundle exec` on default gems ([#6963](https://github.com/rubygems/bundler/pull/6963))
  - Updated vendor libraries to their latest version ([#7076](https://github.com/rubygems/bundler/pull/7067), [#7068](https://github.com/bundler/bundler/pull/7068))
  - Fixed an issue where the `github` source was not using `https` by default that we mentioned in the 2.0 release ([#7182](https://github.com/rubygems/bundler/pull/7182))
  - Fixed an issue where `rake release` was not outputting the message to users asking for a 2fa token ([#7199](https://github.com/rubygems/bundler/pull/7199))

## Documentation:

  - Fix incorrect documented `BUNDLE_PATH_RELATIVE_TO_CWD` env var ([#6751](https://github.com/rubygems/bundler/pull/6751))
  - Update URLs in Bundler's documentation to use `https` ([#6935](https://github.com/rubygems/bundler/pull/6935))

# 2.0.1 (January 4, 2019)

## Bug fixes:

  - Relaxed RubyGems requirement to `>= 2.5.0` ([#6867](https://github.com/rubygems/bundler/pull/6867))

# 2.0.0 (January 3, 2019)

  No changes.

# 2.0.0.pre.3 (December 30, 2018)

## Breaking changes:

  - Bundler 2 now requires RubyGems 3.0.0 at minimum

## Bug fixes:

  - Ruby 2.6 compatibility fixes (@segiddins)

## Enhancements:

  - Import changes from Bundler 1.17.3 release

  Note: To upgrade your Gemfile to Bundler 2 you will need to run `bundle update --bundler`

# 2.0.0.pre.2 (November 27, 2018)

## Breaking changes:

  - `:github` source in the Gemfile now defaults to using HTTPS

Changes

  - Add compatibility for Bundler merge into ruby-src

  Note: To upgrade your Gemfile to Bundler 2 you will need to run `bundle update --bundler`

# 2.0.0.pre.1 (November 9, 2018)

## Breaking changes:

  - Dropped support for versions of Ruby under 2.3
  - Dropped support for version of RubyGems under 2.5
  - Moved error messages from STDOUT to STDERR

  Note: To upgrade your Gemfile to Bundler 2 you will need to run `bundle update --bundler`

# 1.17.3 (December 27, 2018)

## Bug fixes:

 - Fix a Bundler error when installing gems on old versions of RubyGems ([#6839](https://github.com/rubygems/bundler/issues/6839), @colby-swandale)
 - Fix a rare issue where Bundler was removing itself after a `bundle clean` ([#6829](https://github.com/rubygems/bundler/issues/6829), @colby-swandale)

## Documentation:

  - Add entry for the `bundle remove` command to the main Bundler manual page

# 1.17.2 (December 11, 2018)

 - Add compatibility for bundler merge with Ruby 2.6

# 1.17.1 (October 25, 2018)

 - Convert `Pathname`s to `String`s before sorting them, fixing #6760 and #6758 ([#6761](https://github.com/rubygems/bundler/pull/6761), @alexggordon)

# 1.17.0 (October 25, 2018)

  No changes.

# 1.17.0.pre.2 (October 13, 2018)

## Features:

  - Configure Bundler home, cache, config and plugin directories with `BUNDLE_USER_HOME`, `BUNDLE_USER_CACHE`, `BUNDLE_USER_CONFIG` and `BUNDLE_USER_PLUGIN` env vars ([#4333](https://github.com/rubygems/bundler/issues/4333), @gwerbin)
  - Add `--all` option to `bundle binstubs` that will generate an executable file for all gems with commands in the bundle
  - Add `bundle remove` command to remove gems from the Gemfile via the CLI
  - Improve checking file permissions and asking for `sudo` in Bundler when it doesn't need to
  - Add error message to `bundle add` to check adding duplicate gems to the Gemfile
  - When asking for `sudo`, Bundler will show a list of folders/files that require elevated permissions to write to.

  The following new features are available but are not enabled by default. These are intended to be tested by users for the upcoming release of Bundler 2.

  - Improve deprecation warning message for `bundle show` command
  - Improve deprecation warning message for the `--force` option in `bundle install`

# 1.17.0.pre.1 (September 24, 2018)

## Features:

  - Check folder/file permissions of the Bundle home directory in the `bundle doctor` command ([#5786](https://github.com/rubygems/bundler/issues/5786), @ajwann)
  - Remove compiled gem extensions when running `bundle clean` ([#5596](https://github.com/rubygems/bundler/issues/5596), @akhramov)
  - Add `--paths` option to `bundle list` command ([#6172](https://github.com/rubygems/bundler/issues/6172), @colby-swandale)
  - Add base error class to gems generated from `bundle gem` ([#6260](https://github.com/rubygems/bundler/issues/6260), @christhekeele)
  - Correctly re-install gem extensions with a git source when running `bundle pristine` ([#6294](https://github.com/rubygems/bundler/issues/6294), @wagenet)
  - Add config option to disable platform warnings ([#6124](https://github.com/rubygems/bundler/issues/6124), @agrim123)
  - Add `--skip-install` option to `bundle add` command to add gems to the Gemfile without installation ([#6511](https://github.com/rubygems/bundler/issues/6511), @agrim123)
  - Add `--only-explicit` option to `bundle outdated` to list only outdated gems in the Gemfile ([#5366](https://github.com/rubygems/bundler/issues/5366), @peret)
  - Support adding multiple gems to the Gemfile with `bundle add` ([#6543](https://github.com/rubygems/bundler/issues/6543), @agrim123)
  - Make registered plugin events easier to manage in the Plugin API (@jules2689)
  - Add new gem install hooks to the Plugin API (@jules2689)
  - Add `--optimistic` and `--strict` options to `bundle add` ([#6553](https://github.com/rubygems/bundler/issues/6553), @agrim123)
  - Add `--without-group` and `--only-group` options to `bundle list` ([#6564](https://github.com/rubygems/bundler/issues/6564), @agrim123)
  - Add `--gemfile` option to the `bundle exec` command ([#5924](https://github.com/rubygems/bundler/issues/5924), @ankitkataria)

  The following new features are available but are not enabled by default. These are intended to be tested by users for the upcoming release of Bundler 2.

  - Make `install --path` relative to the current working directory ([#2048](https://github.com/rubygems/bundler/issues/2048), @igorbozato)
  - Auto-configure job count ([#5808](https://github.com/rubygems/bundler/issues/5808), @segiddins)
  - Use the Gem Version Promoter for major gem updates ([#5993](https://github.com/rubygems/bundler/issues/5993), @segiddins)
  - Add config option to add the Ruby scope to `bundle config path` when configured globally (@segiddins)

# 1.16.6 (October 5, 2018)

## Enhancements:

  - Add an error message when adding a gem with `bundle add` that's already in the bundle ([#6341](https://github.com/rubygems/bundler/issues/6341), @agrim123)
  - Add Homepage, Source Code and Changelog URI metadata fields to the `bundle gem` gemspec template (@walf443)

## Bug fixes:

  - Fix issue where updating a gem resulted in the gem's version being downgraded when `BUNDLE_ONLY_UPDATE_TO_NEWER_VERSIONS` was set ([#6529](https://github.com/rubygems/bundler/issues/6529), @theflow)
  - Fix some rescue calls that don't specify error type (@utilum)
  - Fix an issue when the Lockfile would contain platform-specific gems that it didn't need ([#6491](https://github.com/rubygems/bundler/issues/6491), @segiddins)
  - Improve handling of adding new gems with only a single group to the Gemfile in `bundle add` (@agrim123)
  - Refactor check for OpenSSL in `bundle env` (@voxik)
  - Remove an unnecessary assignment in Metadata (@voxik)

## Documentation:

  - Update docs to reflect revised guidance to check in Gemfile.lock into version control for gems ([#5879](https://github.com/rubygems/bundler/issues/5879), @arbonap)
  - Add documentation for the `--all` flag in `bundle update` (@agrim123)
  - Update README to use `bundle add` in usage examples (@hdf1986)

# 1.16.5 (September 18, 2018)

## Enhancements:

  - Add support for TruffleRuby (@eregon)

## Bug fixes:

  - Avoid printing git errors when checking the version on incorrectly packaged versions of Bundler ([#6453](https://github.com/rubygems/bundler/issues/6453), @greysteil)
  - Fix issue where Bundler does not check the given class when comparing equality in DepProxy (@ChrisBr)
  - Handle `RangeNotSatisfiable` error in Compact Index (@MaxLap)
  - Check for initialized `search` variable in `LazySpecification` (@voxik)
  - Fix LoadError occurring in nested bundle exec calls ([#6537](https://github.com/rubygems/bundler/issues/6537), @colby-swandale)
  - Check that Bundler::Deprecate is not an autoload constant ([#6163](https://github.com/rubygems/bundler/issues/6163), @eregon)
  - Prefer non-pre-release versions when performing a `bundle update --patch` ([#6684](https://github.com/rubygems/bundler/issues/6684), @segiddins)

# 1.16.4 (August 17, 2018)

## Enhancements:

  - Welcome new members to the Bundler core team (@indirect)
  - Don't mutate original error trees when determining version_conflict_message (@greysteil)
  - Update vendored Molinillo to 0.6.6 (@segiddins)

## Bug fixes:

  - Reword bundle update regression message to be more clear to the user when a gem's version is downgraded ([#6584](https://github.com/rubygems/bundler/issues/6584), @ralphbolo)
  - Respect --conservative flag when updating a dependency group ([#6560](https://github.com/rubygems/bundler/issues/6560), @greysteil)
  - Fix issue where a pre-release version was not being selected when it's specified in the Gemfile ([#6449](https://github.com/rubygems/bundler/issues/6449), @akihiro17)
  - Fix issue where `Etc` was not loaded when getting the user's home dir ([#6640](https://github.com/rubygems/bundler/issues/6640), @colby-swandale)
  - Use UTF-8 for reading files including Gemfile ([#6660](https://github.com/rubygems/bundler/issues/6660), @eregon)
  - Remove unnecessary `while` loop in path resolver helper (@ojab)

## Documentation:

  - Document that `bundle show [--paths]` sorts results by name (@kemitchell)

# 1.16.3 (July 17, 2018)

## Features:

  - Support URI::File of Ruby 2.6 (@hsbt)

## Bug fixes:

  - Expand symlinks during setup to allow Bundler to load correctly when using symlinks in $GEM_HOME ([#6465](https://github.com/rubygems/bundler/issues/6465), @ojab, @indirect)
  - Dont let Bundler create temporary folders for gem installs which are owned by root ([#6258](https://github.com/rubygems/bundler/issues/6258), @colby-swandale)
  - Don't fallback to using temporary directories when needed directories already exist ([#6546](https://github.com/rubygems/bundler/issues/6546), @brodock)
  - Use SharedHelpers.filesystem_access when reading a Gemfile so friendly error messages can be given to the user ([#6541](https://github.com/rubygems/bundler/issues/6541), @segiddins)
  - Check if source responds to `#remotes` before printing gem install error message ([#6211](https://github.com/rubygems/bundler/issues/6211), @colby-swandale)
  - Handle Errno::ENOTSUP in the Bundler Process Lock to prevent exceptions when using NFS mounts ([#6566](https://github.com/rubygems/bundler/issues/6566), @colby-swandale)
  - Respect encodings when reading gemspecs ([#6598](https://github.com/rubygems/bundler/issues/6598), @deivid-rodriguez)

## Documentation:

  - Fix links between manual pages (@BanzaiMan)
  - Add warning to Gemfile documentation for the use of the `source` option when declaring gems ([#6280](https://github.com/rubygems/bundler/issues/6280), @forestgagnon)

# 1.16.2 (April 20, 2018)

## Enhancements:

  - Include the gem's source in the gem install error message when available (@papanikge)
  - Remove unnecessary executable bit from gem template (@voxik)
  - Dont add the timestamp comment with gems added to the Gemfile via `bundle add` ([#6193](https://github.com/rubygems/bundler/issues/6193), @cpgo)
  - Improve yanked gem error message (@alyssais)
  - Use `Bundler.rubygems.inflate` instead of the Gem::Util method directly (@segiddins)
  - Remove unused instance variable (@segiddins)

## Bug fixes:

  - Only trap INT signal and have Ruby's signal default handler be invoked (@shayonj)
  - Fix warning about the use of `__FILE__` in RubyGems integration testing (@MSP-Greg)
  - Skip the outdated bundler check when MD5 is not available ([#6032](https://github.com/rubygems/bundler/issues/6032), @segiddins)
  - Fallback to the original error if the friendly message raises (@segiddins)
  - Rename Bundler.frozen? to avoid Object method conflict ([#6252](https://github.com/rubygems/bundler/issues/6252), @segiddins)
  - Ensure the bindir exists before installing gems (@segiddins)
  - Handle gzip corruption errors in the compact index client ([#6261](https://github.com/rubygems/bundler/issues/6261), @colby-swandale)
  - Check if the current directory is writeable when writing files in `bundle gem` ([#6219](https://github.com/rubygems/bundler/issues/6219), @nilsding)
  - Fix hang when gemspec has incompatible encoding (@deivid-rodriguez)
  - Gracefully handle when the lockfile is missing spec entries for the current platform ([#6079](https://github.com/rubygems/bundler/issues/6079), @segiddins)
  - Use Gem::Util.inflate instead of Gem.inflate (@hsbt)
  - Update binstub generator to use new ERB.new arity in Ruby 2.6 (@koic)
  - Fix `source_location` call in rubygems integration (@MSP-Greg)
  - Use `filesystem_access` when copying files in Compact Index Updater ([#6289](https://github.com/rubygems/bundler/issues/6289), @segiddins)
  - Fail gracefully when resetting git gems to the given revision fails ([#6324](https://github.com/rubygems/bundler/issues/6324), @segiddins)
  - Handle exceptions that do not have a backtrace ([#6342](https://github.com/rubygems/bundler/issues/6342), @nesaulov)
  - Check if stderr was closed before writing to it (@shime)
  - Handle updating a specific gem for a non-local platform ([#6350](https://github.com/rubygems/bundler/issues/6350), @greysteil)
  - Bump the `bundle_binstub` check-length to 300 characters (@tduffield)
  - Fix specifying alterntive Lockfile with `bundle lock` when default gemfile is present  ([#6460](https://github.com/rubygems/bundler/issues/6460), @agrim123)
  - Allow installing dependencies when the path is set to `.`  ([#6475](https://github.com/rubygems/bundler/issues/6475), @segiddins)
  - Support Bundler installing on a readonly filesystem without a home directory ([#6461](https://github.com/rubygems/bundler/issues/6461), @grosser)
  - Filter git uri credentials in source description (@segiddins)

## Documentation:

  - Correct typos in `bundle binstubs` man page (@erikj, @samueloph)
  - Update links in `bundle gem` command documentation to use https (@KrauseFx)
  - Fix broken links between bundler man pages (@segiddins)
  - Add man page for the `bundle doctor` command ([#6243](https://github.com/rubygems/bundler/issues/6243), @nholden)
  - Document `# frozen_string_literal` in `bundle init` Gemfile (@315tky)
  - Explain the gemspec files attribute in `bundle gem` template and print a link to bundler.io guides when running `bundle gem` ([#6246](https://github.com/rubygems/bundler/issues/6246), @nesaulov)
  - Small copy tweaks & removed redundant phrasing in the bundler man page (@rubymorillo)
  - Improve the documentation of the settings load order in Bundler (@rubymorillo)
  - Added license info to main README (@rubymorillo)
  - Document parameters and return value of Injector#inject (@tobias-grasse)

# 1.16.1 (December 12, 2017)

## Bug fixes:

  - avoid hanging on complex resolver errors ([#6114](https://github.com/rubygems/bundler/issues/6114), @halfbyte)
  - avoid an error when running `bundle update --group` ([#6156](https://github.com/rubygems/bundler/issues/6156), @mattbrictson)
  - ensure the resolver prefers non-pre-release gems when possible ([#6181](https://github.com/rubygems/bundler/issues/6181), @greysteil)
  - include bundler's gemspec in the built gem ([#6165](https://github.com/rubygems/bundler/issues/6165), @dr-itz)
  - ensure locally installed specs are not overridden by those in remote sources during dependency resolution ([#6072](https://github.com/rubygems/bundler/issues/6072), @indirect)
  - ensure custom gemfiles are respected in generated binstubs (@pftg)
  - fail gracefully when loading a bundler-generated binstub when `bin/bundle` was not generated by bundler ([#6149](https://github.com/rubygems/bundler/issues/6149), @hsbt)
  - allow `bundle init` to be run even when a parent directory contains a gemfile ([#6205](https://github.com/rubygems/bundler/issues/6205), @colby-swandale)

# 1.16.0 (October 31, 2017)

## Bug fixes:

  - avoid new RubyGems warning about unsafe YAML loading (to keep output consistent) (@segiddins)
  - load digest subclasses in a thread-safe manner (@segiddins, @colby-swandale)
  - avoid unusued variable warnings under ruby 2.5 (@amatsuda)
  - fix printing the same message twice in verbose mode ([#6028](https://github.com/rubygems/bundler/issues/6028), @akhramov)
  - allow `SignalException`s to bubble up to the interpreter during `bundle exec` ([#6090](https://github.com/rubygems/bundler/issues/6090), @dekellum)
  - avoid activating stdlib digest under Ruby 2.5 (@segiddins)
  - prioritise explicitly requested gems in dependency resolution sort order (@segiddins)
  - reduce memory usage during dependency resolution ([#6114](https://github.com/rubygems/bundler/issues/6114), @greysteil)
  - ensure that the default bundler gem is not accidentally activated on ruby 2.5 when using local git overrides (@segiddins)

# 1.16.0.pre.3 (October 4, 2017)

## Features:

  - the output from `bundle env` includes more information, particularly both the compiled & loaded versions of OpenSSL (@indirect)

## Bug fixes:

  - fix a bug where installing on FreeBSD would accidentally raise an error ([#6013](https://github.com/rubygems/bundler/issues/6013), @olleolleolle)
  - fix a regression in 1.16 where pre-release gems could accidentally be resolved even when the gemfile contained no pre-release requirements (@greysteil)
  - bundler will avoid making unnecessary network requests to fetch dependency data, fixing a regression introduced in 1.16 (@segiddins)
  - the outdated bundler version message is disabled by default until the message has been fine-tuned ([#6004](https://github.com/rubygems/bundler/issues/6004), @segiddins)

# 1.16.0.pre.2 (September 6, 2017)

## Bug fixes:

  - handle when a connection is missing a socket when warning about OpenSSL version (@greysteil)
  - the description for the `rake release` task now reflects `$RUBYGEMS_HOST` (@wadetandy)
  - fix a bug where `bundle update` would regress transitive dependencies (@greysteil)

# 1.16.0.pre.1 (September 4, 2017)

## Features:

  - allow using non-branch symbolic refs in a git source ([#4845](https://github.com/rubygems/bundler/issues/4845), @segiddins)
  - allow absolute paths in the `cache path` setting ([#5627](https://github.com/rubygems/bundler/issues/5627), @mal)
  - gems created via `bundle gem` with rspec have `--require spec_helper` in their `.rspec` file (@koic)
  - `bundle env` includes `Gem.ruby` and the `bundle` binstub shebang when they don't match ([#5616](https://github.com/rubygems/bundler/issues/5616), @segiddins)
  - allow passing gem names to `bundle pristine` (@segiddins)
  - `bundle version` and `bundle env` include the commit and build date for the bundler gem ([#5049](https://github.com/rubygems/bundler/issues/5049), @segiddins)
  - add the `--shebang` option to `bundle binstubs` ([#4070](https://github.com/rubygems/bundler/issues/4070), @segiddins, @Zorbash)
  - gemfiles are `eval`ed one fewer time when running `bundle install` ([#4952](https://github.com/rubygems/bundler/issues/4952), [#3096](https://github.com/bundler/bundler/issues/3096), [#4417](https://github.com/bundler/bundler/issues/4417), @segiddins)
  - the `fileutils` gem is now vendored so different versions of the gem can be activated (@segiddins)
  - speed up no-op installations ([#5842](https://github.com/rubygems/bundler/issues/5842), @segiddins)
  - default to keeping the lockfile in the default gem template (@deivid-rodriguez)
  - add a special bundler binstub that ensures the correct version of bundler is activated ([#5876](https://github.com/rubygems/bundler/issues/5876), @segiddins)
  - speed up dependency resolution and ensure that all resolvable gemfiles can be installed (@segiddins, @greysteil)
  - add a `bundle list` command that prints the gems in use ([#4754](https://github.com/rubygems/bundler/issues/4754), @colby-swandale)
  - allow adding credentials to a gem source during deployment when `allow_deployment_source_credential_changes` is set (@adrian-gomez)
  - making an outdated (and insecure) TLS connection to rubygems.org will print a warning (@segiddins)

## Bug fixes:

  - allow configuring a mirror fallback timeout without a trailing slash ([#4830](https://github.com/rubygems/bundler/issues/4830), @segiddins)
  - fix handling of mirrors for file: urls that contain upper-case characters (@segiddins)
  - list the correct gem host for `rake release` when `allowed_push_host` has been set (@mdeering)
  - ensure `Bundler.original_env` preserves all env keys that bundler sets ([#5700](https://github.com/rubygems/bundler/issues/5700), @segiddins)
  - ensure `bundle pristine` removes files added to a git gem (@segiddins)
  - load plugin files from path gems before gem installation ([#5429](https://github.com/rubygems/bundler/issues/5429), @segiddins)
  - ensure gems containing manpages are properly set up ([#5730](https://github.com/rubygems/bundler/issues/5730), @segiddins)
  - avoid fetching remote specs when all effected gems are in groups that are not being installed (@segiddins)
  - allow `BUNDLE_GEMFILE` to be a relative path ([#5712](https://github.com/rubygems/bundler/issues/5712), @gxespino)
  - show a more helpful error message when a gem fails to install due to a corrupted lockfile ([#5846](https://github.com/rubygems/bundler/issues/5846), @segiddins)
  - add a process lock to allow multiple concurrent `bundle install`s ([#5851](https://github.com/rubygems/bundler/issues/5851), @stefansedich)
  - ensure that specifications always return an array for `#extensions` (@greysteil)
  - print a helpful error message when using a gem in the Gemfile with an empty name (@colby-swandale)
  - ensure that all gemfiles are included in `bundle env` (@segiddins)
  - use ssl client cert and ca cert settings from gem configuration as fallbacks (@stan3)
  - avoid global namespace pollution when loading gems ([#5958](https://github.com/rubygems/bundler/issues/5958), @shyouhei)
  - avoid running a complete re-resolve on `bundle update --bundler` (@segiddins)
  - allow `bundle binstubs --standalone` to work without `path` being set (@colby-swandale)
  - fix support for bundle paths that include jars or wars on jruby ([#5975](https://github.com/rubygems/bundler/issues/5975), @torcido)

# 1.15.4 (August 19, 2017)

## Bug fixes:

  - handle file conflicts gracefully in `bundle gem` (@rafaelfranca, @segiddins)
  - bundler will fail gracefully when the bundle path contains the system path separator ([#5485](https://github.com/rubygems/bundler/issues/5485), ajwann)
  - failed gem downloads will be retried consistently across different RubyGems versions (@shayonj)
  - `bundle pristine` will respect build options while re-building native extensions (@NickLaMuro)

# 1.15.3 (July 21, 2017)

## Bug fixes:

  - ensure that empty strings passed to `bundle config` are serialized & parsed properly ([#5881](https://github.com/rubygems/bundler/issues/5881), @segiddins)
  - avoid printing an outdated version warning when running a parseable command (@segiddins)

# 1.15.2 (July 17, 2017)

## Features:

  - new gemfiles created by bundler will include an explicit `github` git source that uses `https` (@segiddins)

## Bug fixes:

  - inline gemfiles work when `BUNDLE_BIN` is set ([#5847](https://github.com/rubygems/bundler/issues/5847), @segiddins)
  - avoid using the old dependency API when there are no changes to the compact index files ([#5373](https://github.com/rubygems/bundler/issues/5373), @greysteil)
  - fail gracefully when the full index serves gemspecs with invalid dependencies ([#5797](https://github.com/rubygems/bundler/issues/5797), @segiddins)
  - support installing gemfiles that use `eval_gemfile`, `:path` gems with relative paths, and `--deployment` simultaneously (@NickLaMuro)
  - `bundle config` will print settings as the type they are interpreted as (@segiddins)
  - respect the `no_proxy` environment variable when making network requests ([#5781](https://github.com/rubygems/bundler/issues/5781), @jakauppila)
  - commands invoked with `--verbose` will not have default flags printed (@segiddins)
  - allow `bundle viz` to work when another gem has a requirable `grapviz` file ([#5707](https://github.com/rubygems/bundler/issues/5707), @segiddins)
  - ensure bundler puts activated gems on the `$LOAD_PATH` in a consistent order ([#5696](https://github.com/rubygems/bundler/issues/5696), @segiddins)

# 1.15.1 (June 2, 2017)

## Bug fixes:

  - `bundle lock --update GEM` will fail gracefully when the gem is not in the lockfile ([#5693](https://github.com/rubygems/bundler/issues/5693), @segiddins)
  - `bundle init --gemspec` will fail gracefully when the gemspec is invalid (@colby-swandale)
  - `bundle install --force` works when the gemfile contains git gems ([#5678](https://github.com/rubygems/bundler/issues/5678), @segiddins)
  - `bundle env` will print well-formed markdown when there are no settings ([#5677](https://github.com/rubygems/bundler/issues/5677), @segiddins)

# 1.15.0 (May 19, 2017)

  No changes.

# 1.15.0.pre.4 (May 10, 2017)

## Bug fixes:

  - avoid conflicts when `Gem.finish_resolve` is called after the bundle has been set up (@segiddins)
  - ensure that `Gem::Specification.find_by_name` always returns an object that can have `#to_spec` called on it ([#5592](https://github.com/rubygems/bundler/issues/5592), @jules2689)

# 1.15.0.pre.3 (April 30, 2017)

## Bug fixes:

  - avoid redundant blank lines in the readme generated by `bundle gem` (@koic)
  - ensure that `open-uri` is not loaded after `bundle exec` (@segiddins)
  - print a helpful error message when an activated default gem conflicts with
    a gem in the gemfile (@segiddins)
  - only shorten `ref` option for git gems when it is a SHA ([#5620](https://github.com/rubygems/bundler/issues/5620), @segiddins)

# 1.15.0.pre.2 (April 23, 2017)

## Bug fixes:

  - ensure pre-existing fit caches are updated from remote sources ([#5423](https://github.com/rubygems/bundler/issues/5423), @alextaylor000)
  - avoid duplicating specs in the lockfile after updating with the gem uninstalled ([#5599](https://github.com/rubygems/bundler/issues/5599), @segiddins)
  - ensure git gems have their extensions available at runtime ([#5594](https://github.com/rubygems/bundler/issues/5594), @jules2689, @segiddins)

# 1.15.0.pre.1 (April 16, 2017)

## Features:

  - print a notification when a newer version of bundler is available ([#4683](https://github.com/rubygems/bundler/issues/4683), @segiddins)
  - add man pages for all bundler commands ([#4988](https://github.com/rubygems/bundler/issues/4988), @feministy)
  - add the `bundle info` command (@fredrb, @colby-swandale)
  - all files created with `bundle gem` comply with the bundler style guide (@zachahn)
  - if installing a gem fails, print out the reason the gem needed to be installed ([#5078](https://github.com/rubygems/bundler/issues/5078), @segiddins)
  - allow setting `gem.push_key` to set the key used when running `rake release` (@DTrierweiler)
  - print gem versions that are regressing during `bundle update` in yellow ([#5506](https://github.com/rubygems/bundler/issues/5506), @brchristian)
  - avoid printing extraneous dependencies when the resolver encounters a conflict (@segiddins)
  - add the `bundle issue` command that prints instructions for reporting issues ([#4871](https://github.com/rubygems/bundler/issues/4871), @jonathanpike)
  - add `--source` and `--group` options to the `bundle inject` command ([#5452](https://github.com/rubygems/bundler/issues/5452), @Shekharrajak)
  - add the `bundle add` command to add a gem to the gemfile (@denniss)
  - add the `bundle pristine` command to re-install gems from cached `.gem` files ([#4509](https://github.com/rubygems/bundler/issues/4509), @denniss)
  - add a `--parseable` option for `bundle config` (@JuanitoFatas, @colby-swandale)

## Performance:

  - speed up gemfile initialization by storing locked dependencies as a hash (@jules2689)
  - speed up gemfile initialization by making locked dependency comparison lazy, avoiding object allocation (@jules2689)
  - only validate git gems when they are downloaded, instead of every time `Bundler.setup` is run (@segiddins)
  - avoid regenerating the lockfile when nothing has changed (@segiddins)
  - avoid diffing large arrays when no sources in the gemfile have changed (@segiddins)
  - avoid evaluating full gemspecs when running with RubyGems 2.5+ (@segiddins)

## Bug fixes:

  - fix cases where `bundle update` would print a resolver conflict instead of updating the selected gems ([#5031](https://github.com/rubygems/bundler/issues/5031), [#5095](https://github.com/bundler/bundler/issues/5095), @segiddins)
  - print out a stack trace after an interrupt when running in debug mode (@segiddins)
  - print out when bundler starts fetching a gem from a remote server (@segiddins)
  - fix `bundle gem` failing when `git` is unavailable ([#5458](https://github.com/rubygems/bundler/issues/5458), @Shekharrajak, @colby-swandale)
  - suggest the appropriate command to unfreeze a bundle ([#5009](https://github.com/rubygems/bundler/issues/5009), @denniss)
  - ensure nested calls to `bundle exec` resolve default gems correctly ([#5500](https://github.com/rubygems/bundler/issues/5500), @segiddins)
  - ensure that a plugin failing to install doesn't uninstall other plugins (@kerrizor, @roseaboveit)
  - ensure `socket` is required before being referenced ([#5533](https://github.com/rubygems/bundler/issues/5533), @rafaelfranca)
  - allow running `bundle outdated` when gems aren't installed locally ([#5553](https://github.com/rubygems/bundler/issues/5553), @segiddins)
  - print a helpful error when `bundle exec`ing to a gem that isn't included in the bundle ([#5487](https://github.com/rubygems/bundler/issues/5487), @segiddins)
  - print an error message when a non-git gem is given a `branch` option ([#5530](https://github.com/rubygems/bundler/issues/5530), @colby-swandale)
  - allow interrupts to exit the process after gems have been installed (@segiddins)
  - print the underlying error when downloading gem metadata fails ([#5579](https://github.com/rubygems/bundler/issues/5579), @segiddins)
  - avoid deadlocking when installing with a lockfile that is missing dependencies ([#5378](https://github.com/rubygems/bundler/issues/5378), [#5480](https://github.com/bundler/bundler/issues/5480), [#5519](https://github.com/bundler/bundler/issues/5519), [#5526](https://github.com/bundler/bundler/issues/5526), [#5529](https://github.com/bundler/bundler/issues/5529), [#5549](https://github.com/bundler/bundler/issues/5549), [#5572](https://github.com/bundler/bundler/issues/5572), @segiddins)

# 1.14.6 (March 3, 2017)

## Bug fixes:

  - avoid undefined constant `Bundler::Plugin::API::Source` exception ([#5409](https://github.com/rubygems/bundler/issues/5409), @segiddins)
  - avoid incorrect warnings about needing to enable `specific_platform` (@segiddins)
  - fail gracefully when the compact index does not send an ETag ([#5463](https://github.com/rubygems/bundler/issues/5463), @olleolleolle)
  - ensure `bundle outdated --local` shows all outdated gems ([#5430](https://github.com/rubygems/bundler/issues/5430), @denniss)
  - fix a case where ruby version requirements could lead to incorrect resolver conflicts ([#5425](https://github.com/rubygems/bundler/issues/5425), @segiddins)

# 1.14.5 (February 22, 2017)

## Bug fixes:

  - avoid loading all unused gemspecs during `bundle exec` on RubyGems 2.3+ (@segiddins)
  - improve resolver performance when dependencies have zero or one total possibilities ignoring requirements ([#5444](https://github.com/rubygems/bundler/issues/5444), [#5457](https://github.com/bundler/bundler/issues/5457), @segiddins)
  - enable compact index when OpenSSL FIPS mode is enabled but not active ([#5433](https://github.com/rubygems/bundler/issues/5433), @wjordan)
  - use github username instead of git name for the github url in `bundle gem` ([#5438](https://github.com/rubygems/bundler/issues/5438), @danielpclark)
  - avoid a TypeError on RubyGems 2.6.8 when no build settings are set for native extensions (@okkez)
  - fail gracefully when the dependency api is missing runtime dependencies for a gem (@segiddins)
  - handle when a platform-specific gem has more dependencies than the ruby platform version ([#5339](https://github.com/rubygems/bundler/issues/5339), [#5426](https://github.com/bundler/bundler/issues/5426), @segiddins)
  - allow running bundler on a machine with no home directory where the temporary directory is not writable ([#5371](https://github.com/rubygems/bundler/issues/5371), @segiddins)
  - avoid gem version conflicts on openssl using Ruby 2.5 ([#5235](https://github.com/rubygems/bundler/issues/5235), @rhenium)
  - fail when installing in frozen mode and the dependencies for `gemspec` gems have changed without the lockfile being updated ([#5264](https://github.com/rubygems/bundler/issues/5264), @segiddins)

# 1.14.4 (February 12, 2017)

## Bug fixes:

  - fail gracefully when attempting to overwrite an existing directory with `bundle gem` ([#5358](https://github.com/rubygems/bundler/issues/5358), @nodo)
  - fix a resolver bug that would cause bundler to report conflicts that it could resolve ([#5359](https://github.com/rubygems/bundler/issues/5359), [#5362](https://github.com/bundler/bundler/issues/5362), @segiddins)
  - set native extension build arguments for git gems ([#5401](https://github.com/rubygems/bundler/issues/5401), @segiddins)
  - fix the suggested `bundle lock` command printed when a dependency is unused on any platform (@5t111111)
  - ensure the version passed to `ruby` in the Gemfile is valid during Gemfile parsing ([#5380](https://github.com/rubygems/bundler/issues/5380), @segiddins)
  - show `bundle inject` usage when too many arguments are passed ([#5384](https://github.com/rubygems/bundler/issues/5384), @Shekharrajak)
  - stop `bundle show --outdated` from implicitly running `bundle update` ([#5375](https://github.com/rubygems/bundler/issues/5375), @colby-swandale)
  - allow the temporary home directory fallback to work for multiple users (@svoop)

# 1.14.3 (January 24, 2017)

## Bug fixes:

  - fix the resolver attempting to activate ruby-platform gems when the bundle is only for other platforms ([#5349](https://github.com/rubygems/bundler/issues/5349), [#5356](https://github.com/bundler/bundler/issues/5356), @segiddins)
  - avoid re-resolving a locked gemfile that uses `gemspec` and includes development dependencies ([#5349](https://github.com/rubygems/bundler/issues/5349), @segiddins)

# 1.14.2 (January 22, 2017)

## Bug fixes:

  - fix using `force_ruby_platform` on windows ([#5344](https://github.com/rubygems/bundler/issues/5344), @segiddins)
  - fix an incorrect version conflict error when using `gemspec` on multiple platforms ([#5340](https://github.com/rubygems/bundler/issues/5340), @segiddins)

# 1.14.1 (January 21, 2017)

## Bug fixes:

  - work around a ruby 2.2.2 bug that caused a stack consistency error during installation ([#5342](https://github.com/rubygems/bundler/issues/5342), @segiddins)

# 1.14.0 (January 20, 2017)

## Bug fixes:

  - ensure `Settings::Mirror` is autoloaded under the `Settings` namespace
    ([#5238](https://github.com/rubygems/bundler/issues/5238), @segiddins)
  - fix `bundler/inline` when `BUNDLE_GEMFILE=""` ([#5079](https://github.com/rubygems/bundler/issues/5079), @segiddins)

# 1.14.0.pre.2 (January 11, 2017)

## Bug fixes:

  - allow not selecting a gem when running `bundle open` ([#5301](https://github.com/rubygems/bundler/issues/5301), @segiddins)
  - support installing gems from git branches that contain shell metacharacters ([#5295](https://github.com/rubygems/bundler/issues/5295), @segiddins)
  - fix a resolver error that could leave dependencies unresolved ([#5294](https://github.com/rubygems/bundler/issues/5294), @segiddins)
  - fix a stack overflow error when invoking commands ([#5296](https://github.com/rubygems/bundler/issues/5296), @segiddins)

# 1.14.0.pre.1 (December 29, 2016)

## Features:

  - `bundle doctor` first runs `bundle check` (@segiddins)
  - the bundler trampoline is automatically enabled when the target version is greater than bundler 2 (@segiddins)
  - gem checksums returned by rubygems.org are validated when installing gems ([#4464](https://github.com/rubygems/bundler/issues/4464), @segiddins)
  - use the git username as a github username when running `bundle gem` (@JuanitoFatas)
  - show more context when the resolver conflicts on required ruby and rubygems versions (@segiddins)
  - improve platform support by allowing bundler to pick the best platform match during dependency resolution, enabled with the `specific_platform` setting ([#4295](https://github.com/rubygems/bundler/issues/4295), [#4896](https://github.com/bundler/bundler/issues/4896), @segiddins)
  - always prompt the user for a password when using `sudo` ([#3006](https://github.com/rubygems/bundler/issues/3006), @segiddins)
  - support running without a home directory ([#4778](https://github.com/rubygems/bundler/issues/4778), @segiddins)
  - print a warning when the gemfile uses a platform conditional that will exclude the gem from all lockfile platforms (@segiddins)
  - add the `force_ruby_platform` setting to force bundler to install ruby-platform gems, even on other platforms ([#4813](https://github.com/rubygems/bundler/issues/4813), @segiddins)
  - add conservative update options to `bundle lock` ([#4912](https://github.com/rubygems/bundler/issues/4912), @chrismo)
  - improve `bundle outdated` output to group gems by group (@ryanfox1985)
  - add conservative update options to `bundle update` ([#5065](https://github.com/rubygems/bundler/issues/5065), [#5076](https://github.com/bundler/bundler/issues/5076), @chrismo)
  - print the output of `bundle env` as github-flavored markdown, making it easier to preserve formatting when copy-pasting into a new issue (@segiddins)
  - configure the persistence file when using `bundle gem` with `rspec` (@segiddins)
  - add support for the `ruby_25` gemfile filter (@amatsuda)
  - when installing with a lockfile that is missing dependencies, allow installation to proceed (but without parallelism) (@segiddins)

## Performance:

  - improve `require "bundler"` performance by ~5x (@segiddins)
  - allow install gems in parallel when running on rubygems 2+

## Bug fixes:

  - config files with CRLF line endings can be read ([#4435](https://github.com/rubygems/bundler/issues/4435), @segiddins)
  - `bundle lock` activates gems for the current platform even if they were activated under a different platform for a separate dependency ([#4896](https://github.com/rubygems/bundler/issues/4896), @segiddins)
  - running `bundle env` in a directory without a gemfile no longer crashes (@segiddins)
  - fail gracefully when attempting to use a source with an unknown URI scheme ([#4953](https://github.com/rubygems/bundler/issues/4953), @segiddins)
  - store paths in the lockfile relative to the root gemfile directory when using `eval_gemfile` ([#4966](https://github.com/rubygems/bundler/issues/4966), @segiddins)
  - `bundle lock` will not update without the `--update` flag ([#4957](https://github.com/rubygems/bundler/issues/4957), @segiddins)
  - the `console` binstub generated by `bundle gem` will load `.irbrc` files (@mattbrictson)
  - print friendly filesystem access errors in the new index (@segiddins)
  - print a helpful error when running out of memory on jruby ([#4673](https://github.com/rubygems/bundler/issues/4673), @segiddins)
  - load all rubygems plugins when installing gems ([#2824](https://github.com/rubygems/bundler/issues/2824), @segiddins)
  - `bundle clean --dry-run` prints the list of gems without the `--force` option when no path is set ([#5027](https://github.com/rubygems/bundler/issues/5027), @hmistry)
  - local installs no longer print "this gem may have been yanked" ([#5022](https://github.com/rubygems/bundler/issues/5022), @hmistry)
  - avoid leaking `which` output when running `bundle doctor` (@colby-swandale)
  - print a warning when attempting to `bundle exec` an empty program ([#5084](https://github.com/rubygems/bundler/issues/5084), @bronzdoc)
  - ensure `bundle outdated` lists all outdated gems ([#4979](https://github.com/rubygems/bundler/issues/4979), @chrismo)
  - fail gracefully when attempting to `bundle gem` with an invalid constant name ([#5185](https://github.com/rubygems/bundler/issues/5185), @segiddins)
  - allow `bundler/inline` to work in a directory that contains a gemfile ([#5117](https://github.com/rubygems/bundler/issues/5117), @colby-swandale)
  - ensure that the new index is thread-safe, allowing installation on rbx ([#5142](https://github.com/rubygems/bundler/issues/5142), @segiddins)
  - remove deprecated `rspec` syntax in `bundle gem` output (@gearnode)
    - fail gracefully when any system error is encountered when touching the filesystem ([#5134](https://github.com/rubygems/bundler/issues/5134), @segiddins)
  - fix compatibility with a machine running with FIPS mode enabled ([#4989](https://github.com/rubygems/bundler/issues/4989), @segiddins)
  - fix `bundle lock --add-platform ruby` ([#5230](https://github.com/rubygems/bundler/issues/5230), @segiddins)
  - print gem post-install messages when running `bundle update` (@smathy)
  - ensure errors due to a retries are all separated by a newline (@segiddins)
  - print out the bundle path in gem not found errors ([#4854](https://github.com/rubygems/bundler/issues/4854), @diegosteiner)
  - fail gracefully when creating threads fails (@segiddins)
  - avoid downloading metadata for gems that are only development dependencies (@Paxa)

# 1.13.7 (December 25, 2016)

## Features:

  - add support for the `ruby_24` gemfile filter ([#5281](https://github.com/rubygems/bundler/issues/5281), @amatsuda)

# 1.13.6 (October 22, 2016)

## Bug fixes:

  - make the `gem` method public again, fixing a regression in 1.13.4 ([#5102](https://github.com/rubygems/bundler/issues/5102), @segiddins)

# 1.13.5 (October 15, 2016)

## Bug fixes:

  - Ensure a locked pre-release spec can always be re-resolved ([#5089](https://github.com/rubygems/bundler/issues/5089), @segiddins)

# 1.13.4 (October 11, 2016)

## Bug fixes:

 - stop printing warning when compact index versions file is rewritten ([#5064](https://github.com/rubygems/bundler/issues/5064), @indirect)
 - fix `parent directory is world writable but not sticky` error on install ([#5043](https://github.com/rubygems/bundler/issues/5043), @indirect)
 - fix for `uninitialized constant Bundler::Plugin::API::Source` error ([#5010](https://github.com/rubygems/bundler/issues/5010), @hsbt, @aycabta)
 - make `update` options for major, minor, and patch updates consistent ([#4934](https://github.com/rubygems/bundler/issues/4934), @chrismo)

# 1.13.3 (October 10, 2016)

## Bug fixes:

  - add support for weak etags to the new index (@segiddins)

# 1.13.2 (September 30, 2016)

## Bug fixes:

  - allow `Settings` to be initialized without a root directory (@m1k3)
  - allow specifying ruby engines in the gemfile as a symbol ([#4919](https://github.com/rubygems/bundler/issues/4919), @JuanitoFatas)
  - avoid an exception when using `bundler/deployment` with Vlad (@srbaker)
  - ensure redefined methods have the same visibility as the one they're replacing, fixing `Kernel.require` failing on JRuby ([#4975](https://github.com/rubygems/bundler/issues/4975), @segiddins)
  - ensure that Bundler won't complain about a corrupt lockfile when no lockfile exists when using `gemspec` in the Gemfile ([#5006](https://github.com/rubygems/bundler/issues/5006), @segiddins)
  - fail gracefully when parsing the metadata for a gemspec from the compact index fails (@segiddins)
  - fix system gems not being copied to --path on bundle install (e.g. --deployment) ([#4974](https://github.com/rubygems/bundler/issues/4974), @chrismo)

## Performance:

  - avoid parsing the lockfile twice when evaluating gemfiles (@segiddins)

# 1.13.1 (September 13, 2016)

## Bug fixes:

  - ensure that `Gem::Source` is available, fixing several exceptions ([#4944](https://github.com/rubygems/bundler/issues/4944), @dekellum)
  - ensure that dependency resolution works when multiple gems have the same dependency ([#4961](https://github.com/rubygems/bundler/issues/4961), @segiddins)

# 1.13.0 (September 5, 2016)

  No changes.

# 1.13.0.rc.2 (August 21, 2016)

## Features:

  - add setting `exec_disable_load` to force `exec` to spawn a new Ruby process (@segiddins)
  - add `doctor` command to help with issues like unlinked compiled gems ([#4765](https://github.com/rubygems/bundler/issues/4765), @mistydemeo)
  - rework the `update` command, providing fine-grained control via flags ([#4676](https://github.com/rubygems/bundler/issues/4676), @chrismo)
  - add URI to http response output in debug mode ([#4808](https://github.com/rubygems/bundler/issues/4808), @NickLaMuro)
  - add manpage for `binstubs` command ([#4847](https://github.com/rubygems/bundler/issues/4847), @Zorbash)
  - support `mirror` settings for sources by hostname, not only full URL (@opiethehokie)
  - print gem installation errors after other install output ([#4834](https://github.com/rubygems/bundler/issues/4834), @segiddins)
  - add `lock --remove-platform` flag to remove platforms from the lock ([#4877](https://github.com/rubygems/bundler/issues/4877), @segiddins)
  - add `only_update_to_newer_versions` setting to prevent downgrades during `update` (@segiddins)
  - expanded experimental plugin support to include hooks and sources (@asutoshpalai)

## Bug fixes:

  - retry gem downloads ([#4846](https://github.com/rubygems/bundler/issues/4846), @jkeiser)
  - improve the CompactIndex to handle capitalized legacy gems ([#4867](https://github.com/rubygems/bundler/issues/4867), @segiddins)
  - re-use persistent HTTP connections for CompactIndex (@NickLaMuro)
  - respect `required_ruby_version` when Gemfile contains `ruby` version (@indirect)
  - allow `rake release` to sign git tags ([#4743](https://github.com/rubygems/bundler/issues/4743), @eagletmt)
  - set process titles when using `#load` during `exec` (@yob)
  - recognize JRuby shebangs for using `#load` during `exec` (@ojab)
  - handle world-writable home directories ([#4726](https://github.com/rubygems/bundler/issues/4726), @allenzhao)
  - support multi-platform gems via the `gemspec` Gemfile method ([#4798](https://github.com/rubygems/bundler/issues/4798), @segiddins)
  - print dots correctly for CompactIndex fetcher (@NickLaMuro)
  - set an `open_timeout` when requesting gem data via HTTP (@NickLaMuro)
  - rename the BUNDLE\_ORIG\_ENV variable so it no longer shows up in `config` (@indirect)
  - show help only when `-h` or `--help` is passed to Bundler, not to `exec` ([#4801](https://github.com/rubygems/bundler/issues/4801), @segiddins)
  - handle symlinks to binstubs created by `--standalone` ([#4782](https://github.com/rubygems/bundler/issues/4782), @terinjokes)

# 1.13.0.rc.1 (June 27, 2016)

## Features:

  - when `bundle config major_deprecations` or `BUNDLE_MAJOR_DEPRECATIONS` is set, deprecation warnings for bundler 2 will be printed (@segiddins)
  - when running with `--verbose`, bundler will print the reason it is re-resolving a gemfile (@segiddins)

## Bug fixes:

  - fix support for running RubyGems 1.x on Ruby 2.3 ([#4698](https://github.com/rubygems/bundler/issues/4698), @segiddins)
  - fix bundle exec'ing to a ruby file when gems are installed into a path ([#4592](https://github.com/rubygems/bundler/issues/4592), @chrismo)
  - when multiple specs in a bundle have the same executable, prefer activating the one from the requested gem ([#4705](https://github.com/rubygems/bundler/issues/4705), @segiddins)
  - stop changing the load path to require the vendored postit when trampolining (@segiddins)
  - ensure relative paths are properly printed after completing an installation (@jenseng)
  - fix re-resolving when there are multiple unchanged path sources (@segiddins)
  - de-init submodules when running git 2.9 and requesting a git gem without submodules (@segiddins)

# 1.13.0.pre.1 (June 20, 2016)

## Performance:

  - speed up gemfile resolution during `bundle install` by between 4x-100x ([#4376](https://github.com/rubygems/bundler/issues/4376), @segiddins)
  - generally reduce object allocations when using bundler (@segiddins)
  - speed up bin generation for path gems with many files ([#2846](https://github.com/rubygems/bundler/issues/2846), @segiddins)
  - fix detecting path spec changes to avoid re-resolving unnecessarily (@jrafanie)

## Features:

  - automatically trampoline to the bundler version locked in the lockfile, only updating to the running version on `bundle update --bundler` (@segiddins)
  - laying the groundwork for plugin support, which is currently unsuppported, undocumented, disabled by default, and liable to change without notice (@asutoshpalai)
  - allow `bundle viz --without` to accept multiple `:`-delimited groups (@mobilutz)
  - support for RubyGems 2.6.4 ([#4368](https://github.com/rubygems/bundler/issues/4368), @segiddins, @RochesterinNYC)
  - colorize updated gem versions ([#4334](https://github.com/rubygems/bundler/issues/4334), @bronzdoc)
  - add the `--standalone` flag to `bundle binstubs` ([#4594](https://github.com/rubygems/bundler/issues/4594), @b-ggs)
  - update the `bundle gem` CoC to contributor covenant v1.4 (@cllns)
  - use a custom YAML serializer to make config file consistent (@segiddins)
  - filter credentials from error messages (bundler/bundler-features[#111](https://github.com/rubygems/bundler/issues/111), @RochesterinNYC, @sandlerr)
  - support relative paths used inside a nested invocation of `eval_gemfile` ([#4584](https://github.com/rubygems/bundler/issues/4584), @RochesterinNYC)
  - fail gracefully when attempting to install a yanked gem ([#4344](https://github.com/rubygems/bundler/issues/4344), @allenzhao)
  - automatically install an inline gemfile when gems are missing locally (@segiddins)
  - allow conflicts for gems resolved via `gemspec` (@segiddins)
  - add `--add-platform` option to `bundle lock` (@segiddins)
  - fail gracefully when a resolved spec's `required_ruby_version` or `required_rubygems_version` is incompatible (@segiddins)

## Bug fixes:

  - implicitly unlock the resolved ruby version when the declared requirements in the gemfile are incompatible with the locked version ([#4595](https://github.com/rubygems/bundler/issues/4595), [#4627](https://github.com/bundler/bundler/issues/4627), @segiddins)
  - add support for quoted paths in `$PATH` ([#4323](https://github.com/rubygems/bundler/issues/4323), @segiddins)
  - check out missing git repos that are not being installed ([#3981](https://github.com/rubygems/bundler/issues/3981), @asutoshpalai)
  - write `bundler/setup.rb` to a consistent path (@glennpratt)
  - open editor in `bundle open` with a clean environment (@sj26)
  - resolve infinitely recursive copy when running `bundle package --all` with a `gemspec` in the gemfile ([#4392](https://github.com/rubygems/bundler/issues/4392), [#4430](https://github.com/bundler/bundler/issues/4430), @RochesterinNYC)
  - fail gracefully when encountering an `Errno::ENOTSUP` ([#4394](https://github.com/rubygems/bundler/issues/4394), @segiddins)
  - fail gracefully when encountering an `Errno::EHOSTUNREACH` ([#4642](https://github.com/rubygems/bundler/issues/4642), @allenzhao)
  - fix loading config files with very long values ([#4370](https://github.com/rubygems/bundler/issues/4370), @segiddins)
  - only show potential updates for gemfile platforms in `bundle outdated` ([#4450](https://github.com/rubygems/bundler/issues/4450), @RochesterinNYC)
  - allow running `bundle install --deployment` after `bundle package --all` with path gems ([#2175](https://github.com/rubygems/bundler/issues/2175), @allenzhao)
  - add support for patchlevels in ruby versions in the gemfile and gemspecs ([#4593](https://github.com/rubygems/bundler/issues/4593), @chalkos)

# 1.12.6 (October 10, 2016)

## Bug fixes:
  - add support for weak etags to the new index (@segiddins)

# 1.12.5 (May 25, 2016)

## Bug fixes:
  - only take over `--help` on `bundle exec` when the first two arguments are `exec` and `--help` ([#4596](https://github.com/rubygems/bundler/issues/4596), @segiddins)
  - don't require `require: true` dependencies that are excluded via `env` or `install_if` (@BrianHawley)
  - reduce the number of threads used simultaneously by bundler ([#4367](https://github.com/rubygems/bundler/issues/4367), @will-in-wi)

# 1.12.4 (May 16, 2016)

## Bug fixes:
  - ensure concurrent use of the new index can't corrupt the cache ([#4519](https://github.com/rubygems/bundler/issues/4519), @domcleal)
  - allow missing rubygems credentials when pushing a gem with a custom host ([#4437](https://github.com/rubygems/bundler/issues/4437), @Cohen-Carlisle)
  - fix installing built-in specs with `--standalone` ([#4557](https://github.com/rubygems/bundler/issues/4557), @segiddins)
  - fix `bundle show` when a gem has a prerelease version that includes a `-` ([#4385](https://github.com/rubygems/bundler/issues/4385), @segiddins)

# 1.12.3 (May 6, 2016)

## Bug fixes:
  - fix uncoditionally writing `.bundle/config` when running `bundle install` (@segiddins)
  - fall back to the dependency API and the full index when the home directory is not writable (@segiddins)

# 1.12.2 (May 4, 2016)

## Bug fixes:
  - fix modifying a frozen string when the resolver conflicts on dependencies with requirements ([#4520](https://github.com/rubygems/bundler/issues/4520), @grzuy)
  - fix `bundle exec foo --help` not showing the invoked command's help ([#4480](https://github.com/rubygems/bundler/issues/4480), @b-ggs)

# 1.12.1 (April 30, 2016)

## Bug fixes:
  - automatically fallback when the new index has a checksum mismatch instead of erroring (@segiddins)
  - fix computation of new index file local checksums on Windows ([#4472](https://github.com/rubygems/bundler/issues/4472), @mwrock)
  - properly handle certain resolver backtracking cases without erroring (@segiddins, [#4484](https://github.com/rubygems/bundler/issues/4484))
  - ensure the `$LOAD_PATH` contains specs' load paths in the correct order (@segiddins, [#4482](https://github.com/rubygems/bundler/issues/4482))

# 1.12.0 (April 28, 2016)

  No changes.

# 1.12.0.rc.4 (April 21, 2016)

## Bug fixes:

  - don't fail when `bundle outdated` is run with flags and the lockfile contains non-semver versions ([#4438](https://github.com/rubygems/bundler/issues/4438), @RochesterinNYC)

# 1.12.0.rc.3 (April 19, 2016)

## Bug fixes:

  - don't allow new attributes to dirty a lockfile when running `bundle exec`, `-rbundler/setup`, or `bundle check` (@segiddins)

# 1.12.0.rc.2 (April 15, 2016)

## Features:

  - `bundle outdated` handles all combinations of `--major`, `--minor`, and `--patch` ([#4396](https://github.com/rubygems/bundler/issues/4396), @RochesterinNYC)

## Bug fixes:

  - prevent endless recursive copy for `bundle package --all` ([#4392](https://github.com/rubygems/bundler/issues/4392), @RochesterinNYC)
  - allow executables that are `load`ed to exit non-0 via an `at_exit` hook when invoked by `bundle exec` (@segiddins)
  - nested invocations of `bundle exec` properly preserve the `$PATH` and `$GEM_PATH` environment variables (@segiddins)

# 1.12.0.rc (March 13, 2016)

## Performance:

  - Download gem metadata from globally distributed CDN endpoints ([#4358](https://github.com/rubygems/bundler/issues/4358), @segiddins)

## Bug fixes:

  - handle Ruby pre-releases built from source ([#4324](https://github.com/rubygems/bundler/issues/4324), @RochesterinNYC)
  - support binstubs from RubyGems 2.6 ([#4341](https://github.com/rubygems/bundler/issues/4341), @segiddins)
  - handle quotes present in in PATH ([#4326](https://github.com/rubygems/bundler/issues/4326), @segiddins)

# 1.12.0.pre.2 (February 26, 2016)

## Performance:

  - speed up `bundle exec` by `load`ing the executable whenever possible, saving roughly .2 seconds per invocation (@segiddins)

## Features:

  - add a `--patch` flag for `bundle outdated` (@RochesterinNYC)
  - add `Bundler.clean_env` and `Bundler.original_env` ([#4232](https://github.com/rubygems/bundler/issues/4232), @njam)
  - add `--frozen` support to `bundle package` ([#3356](https://github.com/rubygems/bundler/issues/3356), @RochesterinNYC)

## Bug fixes:

  - place bundler loaded gems after `-I` and `RUBYLIB` (@Elffers)
  - give a better error message when filesystem access raises an `EPROTO` error ([#3581](https://github.com/rubygems/bundler/issues/3581), [#3932](https://github.com/bundler/bundler/issues/3932), [#4163](https://github.com/bundler/bundler/issues/4163), @RochesterinNYC)
  - give a better error message when both `--deployment` and `--system` are used together (@RochesterinNYC)
  - fix `$PATH` being preserved for use in `Bundler.with_clean_env` ([#4251](https://github.com/rubygems/bundler/issues/4251), @segiddins, @njam)
  - give a better error message when running `bundle outdated` in frozen mode ([#4287](https://github.com/rubygems/bundler/issues/4287), @RochesterinNYC)
  - handle when `http_proxy` is set to `:no_proxy` in the rubygems configuration ([#4294](https://github.com/rubygems/bundler/issues/4294), @segiddins)
  - give a better error message when authentication details aren't properly escaped ([#4288](https://github.com/rubygems/bundler/issues/4288), @RochesterinNYC)
  - fix `bundle outdated --minor` to only report updates that match the current minor version (@RochesterinNYC)
  - fix extra dependencies being resolved unnecessarily ([#4276](https://github.com/rubygems/bundler/issues/4276), @segiddins)
  - give a better error message when missing specs due to platform mis-matches ([#4259](https://github.com/rubygems/bundler/issues/4259), @RochesterinNYC)
  - skip rebuilding extensions for git gems if they are already built ([#4082](https://github.com/rubygems/bundler/issues/4082), @csfrancis, @indirect, @segiddins)
  - fix `bundle install` not installing when the `no_install` setting is set ([#3966](https://github.com/rubygems/bundler/issues/3966), @chulkilee, @segiddins)

# 1.12.0.pre.1 (February 9, 2016)

## Performance:

  - speed up `bundle install` and `bundle update` by using the new compact gem index (@segiddins, @fotanus, @indirect)
  - speed up `bundle exec` by avoiding loading the gemfile twice ([#2951](https://github.com/rubygems/bundler/issues/2951), [#2952](https://github.com/bundler/bundler/issues/2952), @segiddins)

## Features:

  - add support for using version operators to specify ruby versions in the Gemfile (@jtarchie)
  - redirect `--help` flag for plugins to that plugin's man page (@RochesterinNYC)
  - support probing a mirror with a fallback timeout ([#4128](https://github.com/rubygems/bundler/issues/4128), @pcarranza)
  - add `--full-index` option to `bundle lock` (@segiddins)
  - support running with frozen string literals (@deepj, @segiddins)
  - add `--major` and `--minor` options to `bundle outdated` ([#3805](https://github.com/rubygems/bundler/issues/3805), @cirdes)
  - allow passing a custom `ui` to `bundler/inline` (@lamont-granquist)
  - add support for ruby 2.4 ([#4266](https://github.com/rubygems/bundler/issues/4266), @segiddins)
  - add `bundle outdated --parseable` for machine-readable output (@RochesterinNYC)

## Bug fixes:

  - fix `bundle package --all` recursing endlessly ([#4158](https://github.com/rubygems/bundler/issues/4158), @RochesterinNYC)
  - fail fast on more errors when fetching remote resources ([#4154](https://github.com/rubygems/bundler/issues/4154), @RochesterinNYC)
  - give a better error message when a given git commit can't be found ([#4140](https://github.com/rubygems/bundler/issues/4140), @doy)
  - give a better error message when `bundle clean` doesn't have sufficient permissions ([#4170](https://github.com/rubygems/bundler/issues/4170), @RochesterinNYC)
  - give a better error message when reading a bundler config file fails (@segiddins)
  - restrict platforms when referencing a `gemspec` in the `Gemfile` to those defined in the gemspec ([#4102](https://github.com/rubygems/bundler/issues/4102), [#4150](https://github.com/bundler/bundler/issues/4150), @smellsblue)
  - fix `bundle gem` with minitest to use the correct rake task (@kotoshenya)
  - give a better error message when ssl isn't available ([#4054](https://github.com/rubygems/bundler/issues/4054), @RochesterinNYC)
  - print the original `require` error when `Bundler.require` fails ([#4182](https://github.com/rubygems/bundler/issues/4182), @RochesterinNYC)
  - give a better error message when certain resources are temporarily unavailable ([#4183](https://github.com/rubygems/bundler/issues/4183), @RochesterinNYC)
  - fix returning case-sensitive gem mirror URIs on ruby 2.3 (@segiddins)
  - ignore colorized output from `git` when determining the current branch ([#4056](https://github.com/rubygems/bundler/issues/4056), @agis-)
  - fix storing the shared gems config option as a boolean (@vassilevsky)
  - add support for running `bundle gem --exe` instead of using the `--bin` option (@christhekeele)
  - fix `exec`-ing with 0 args in a directory with spaces ([#4230](https://github.com/rubygems/bundler/issues/4230), @segiddins)
  - avoid installing extraneous gems when resolving to an older version of a spec ([#4101](https://github.com/rubygems/bundler/issues/4101), [#4198](https://github.com/bundler/bundler/issues/4198), @segiddins)
  - ensure paths resolved when parsing a gemfile are relative to that file ([#3349](https://github.com/rubygems/bundler/issues/3349), @dtognazzini)
  - give a better error message when encountering an invalid gemspec ([#4248](https://github.com/rubygems/bundler/issues/4248), [#4275](https://github.com/bundler/bundler/issues/4275), @RochesterinNYC)
  - preserve the original `PATH` in `Bundler.with_clean_env` ([#4251](https://github.com/rubygems/bundler/issues/4251), @segiddins)
  - ensure standalone file paths are relative to the project root ([#4144](https://github.com/rubygems/bundler/issues/4144), @glennpratt)

# 1.11.2 (December 15, 2015)

## Bug fixes:

  - _really_ stop calling `required_ruby_version` on nil @specifications ([#4147](https://github.com/rubygems/bundler/issues/4147), @indirect)

# 1.11.1 (December 15, 2015)

## Bug fixes:

  - lazy-load Psych, again ([#4149](https://github.com/rubygems/bundler/issues/4149), @indirect)
  - allow gemspec gems on other platforms ([#4150](https://github.com/rubygems/bundler/issues/4150), @indirect)
  - fix --no-coc and --no-mit flags on `gem` ([#4148](https://github.com/rubygems/bundler/issues/4148), @RochesterinNYC)
  - stop calling `required_ruby_version` on nil @specifications ([#4147](https://github.com/rubygems/bundler/issues/4147), @indirect)

# 1.11.0 (December 12, 2015)

  No changes.

# 1.11.0.pre.2 (December 6, 2015)

## Bug fixes:

  - fail gracefully when trying to execute a non-executable file ([#4081](https://github.com/rubygems/bundler/issues/4081), @fotanus)
  - fix a crash when pushing a gem via `rake release` (@segiddins)

# 1.11.0.pre.1 (November 29, 2015)

## Features:

  - actual Gemfile and lockfile filenames are used in messages ([#3672](https://github.com/rubygems/bundler/issues/3672), @segiddins)
  - the git remote for `rake release` is now customizable (@skateman)
  - file access permissions errors are now much more friendly ([#3703](https://github.com/rubygems/bundler/issues/3703), [#3735](https://github.com/bundler/bundler/issues/3735), [#3858](https://github.com/bundler/bundler/issues/3858), [#3988](https://github.com/bundler/bundler/issues/3988), [#4009](https://github.com/bundler/bundler/issues/4009) @repinel, @Elffers, @segiddins, @agis-)
  - add support for showing help for plugin commands (@tf)
  - send `X-Gemfile-Source` header to source mirrors (@agis-)
  - show what version upstream dependencies were resolved to in conflict messages (@segiddins)
  - add support for using bundler setting to add private access credentials for git sources (@frsyuki)
  - take into consideration HTTP proxy settings in `.gemrc` (@PG-kura)
  - allow specifying a gem host to push to in the `GEM_HOST` environment variable (@pmenglund)
  - when gempec `required_ruby_version` is available and the Gemfile specifies a ruby version, resolve for the given ruby version (@segiddins)
  - allow setting a `silence_root_warning` setting to silence the warning when `bundle install` is run as root (@blackxored)
  - update the `bundle gem` code of conduct template to Contributor Covenant v1.3.0 (@CoralineAda)
  - add support for specifying gems to update when running `bundle lock` via `--update gem1 gem2` (@JuanitoFatas)
  - added support for MRI 2.3 (@amatsuda)
  - show a helpful message when requiring a file in `bundler require` fails ([#3960](https://github.com/rubygems/bundler/issues/3960), @agis-)
  - include git revision hash when printing a git source ([#3433](https://github.com/rubygems/bundler/issues/3433), @agis-)
  - improve hint when a resolution conflict occurs (@seanlinsley)
  - show a friendly error when a git ref is not found ([#3879](https://github.com/rubygems/bundler/issues/3879), @agis-)
  - improve error message when sources are not absolute URIs ([#3925](https://github.com/rubygems/bundler/issues/3925), @agis-)
  - add `pkg` to rake's clobber list ([#3676](https://github.com/rubygems/bundler/issues/3676), @jasonkarns)
  - retry fetching specs when fetching version metadata fails (@jingweno)

## Bug fixes:

  - avoid showing bundler version warning messages twice (@fotanus)
  - fix running `bundle check` with `--path` when the gems are only installed globally (@akihiro17)
  - fix `bin/setup` from `bundle gem` assuming `bash` is in `/bin`
  - fail more gracefully when an HTTP remote is unreachable ([#3765](https://github.com/rubygems/bundler/issues/3765), @steverob)
  - fix a warning running `bundle exec` on jruby 9.0.0.0 (@deivid-rodriguez, @mastfish)
  - fix the `bundle gem` readme when no tests are generated (@roseweixel)
  - the dependencies on test gems in `bundle gem` are now locked to major versions ([#3811](https://github.com/rubygems/bundler/issues/3811), @indirect)
  - fix the paths for native extensions generated by `--standalone` ([#3813](https://github.com/rubygems/bundler/issues/3813), @AlexanderPavlenko)
  - fix trying to cache a gem that has no source (@EduardoBautista)
  - fix `--source` option to `bundle update` causing incorrect gem unlocking ([#3759](https://github.com/rubygems/bundler/issues/3759), [#3761](https://github.com/bundler/bundler/issues/3761), @neoeno)
  - fix handling an empty `BUNDLE_GEMFILE` environment variables ([#3678](https://github.com/rubygems/bundler/issues/3678), @agis-)
  - avoid cleaning up gem extension directory in `bundle clean` (@Sirupsen)
  - fix the `ssl_verify_mode` setting not being treated as a number (@goughy000)
  - fix not retrying on zlib errors ([#4047](https://github.com/rubygems/bundler/issues/4047), @andremedeiros)
  - fix a warning being shown for using `URI.encode` (@EduardoBautista)
  - fix handling of fatal HTTP errors ([#3830](https://github.com/rubygems/bundler/issues/3830), @indirect)
  - ensure all `sudo` access is done in a thread-safe manner ([#3910](https://github.com/rubygems/bundler/issues/3910), @agis-)
  - fix caching gems with a path with the same prefix as the bundled application (@indirect)
  - fix showing gemspec validation errors on `bundle exec` ([#3895](https://github.com/rubygems/bundler/issues/3895), @agis-)
  - distinguish Gemfile syntax and evaluation errors ([#3783](https://github.com/rubygems/bundler/issues/3783), @agis-)
  - fix nested Gemfile sources not restoring the previous source ([#3974](https://github.com/rubygems/bundler/issues/3974), @agis-)
  - fix the `RUBYLIB` environment variable not being cleaned ([#3982](https://github.com/rubygems/bundler/issues/3982), @agis-)
  - fix handling a dependency missing from `Gemfile.lock` so parallel installation does not deadlock ([#4012](https://github.com/rubygems/bundler/issues/4012), @lukaso)
  - also print gemspecs in `bundle env` output (@agis-)
  - fix handling when a `path` source does not have a gemspec but a lockfile says there is ([#4004](https://github.com/rubygems/bundler/issues/4004), @segiddins)
  - show a warning when the `RUBYGEMS_GEMDEPS` environment variable is set ([#3656](https://github.com/rubygems/bundler/issues/3656), @agis-)
  - fix handling invalid RubyGems configuration files ([#4042](https://github.com/rubygems/bundler/issues/4042), @agis-)
  - fix `bundle console` falling back to `irb` when the preferred console is unavailable (@felixbuenemann)
  - restrict platforms when referencing a `gemspec` in the `Gemfile` to those defined in the gemspec ([#4102](https://github.com/rubygems/bundler/issues/4102), @smellsblue)

## Performance:

  - speed up dependency resolution in pathological cases by 25x ([#3803](https://github.com/rubygems/bundler/issues/3803), @segiddins)
  - drop string allocations when searching for gems (@jrafanie)

# 1.10.6 (July 22, 2015)

## Bug fixes:

  - only warn on invalid gemspecs (@indirect)
  - fix installing dependencies in the correct order ([#3799](https://github.com/rubygems/bundler/issues/3799), @pducks32)
  - fix sorting of mixed DependencyLists ([#3762](https://github.com/rubygems/bundler/issues/3762), @tony-spataro-rs)
  - fix `install_if` conditionals when using the block form (@danieltdt)

# 1.10.5 (June 24, 2015)

## Bug fixes:

  - don't add or update BUNDLED WITH during `install` with no changes (@segiddins)
  - fix sorting of mixed DependencyLists with RubyGems >= 2.23 ([#3762](https://github.com/rubygems/bundler/issues/3762), @tony-spataro-rs)
  - speed up resolver for path and git gems (@segiddins)
  - fix `install --force` to not reinstall Bundler ([#3743](https://github.com/rubygems/bundler/issues/3743), @karlo57)

# 1.10.4 (June 16, 2015)

## Bug fixes:

  - don't add BUNDLED WITH to the lock when Spring runs `check` over and over (@indirect)
  - display "with native extensions" log output correctly (@ivantsepp)
  - alias `i` to `install`, `c` to `check`, and `e` to `exec` (@indirect)

# 1.10.3 (June 3, 2015)

## Bug fixes:

  - allow missing gemspec files when validating path and git gems ([#3686](https://github.com/rubygems/bundler/issues/3686), [#3698](https://github.com/bundler/bundler/issues/3698), @segiddins)
  - fix regression in `rake install` ([#3701](https://github.com/rubygems/bundler/issues/3701), [#3705](https://github.com/bundler/bundler/issues/3705), @segiddins)
  - fix regression when calling `gem` with `bundle exec` or `-rbundler/setup` ([#3699](https://github.com/rubygems/bundler/issues/3699), @segiddins)
  - fix `bundler/inline` requiring a newly-installed gem ([#3693](https://github.com/rubygems/bundler/issues/3693), @indirect, @segiddins)

# 1.10.2 (May 29, 2015)

## Bug fixes:

  - fix regression in `bundle update GEM` performance introduced in 1.10.0 ([#3687](https://github.com/rubygems/bundler/issues/3687), @segiddins)

# 1.10.1 (May 28, 2015)

## Bug fixes:

  - silence ruby warning when running CLI commands (@segiddins)
  - validate gemspecs in non-packaging mode ([#3681](https://github.com/rubygems/bundler/issues/3681), @segiddins)
  - ensure the same chdir mutex as RubyGems is used ([#3680](https://github.com/rubygems/bundler/issues/3680), @segiddins)

# 1.10.0 (May 28, 2015)

  No changes.

# 1.10.0.rc (May 16, 2015)

## Features:

  - dramatically speed up resolving some slow Gemfiles ([#3635](https://github.com/rubygems/bundler/issues/3635), @segiddins)
  - track CI platforms running Bundler ([#3646](https://github.com/rubygems/bundler/issues/3646), @fotanus)

## Bug fixes:

  - allow `viz` to work with prereleases ([#3621](https://github.com/rubygems/bundler/issues/3621), [#3217](https://github.com/bundler/bundler/issues/3217), @aprescott)
  - validate gemspecs used in path and git gems ([#3639](https://github.com/rubygems/bundler/issues/3639), @segiddins, @indirect)
  - stop printing config warnings when config is unchanged ([#3649](https://github.com/rubygems/bundler/issues/3649), @fotanus, @indirect)
  - Without groups saved via `config` are no longer ignored when the `--without` flag is used

# 1.10.0.pre.2 (May 7, 2015)

## Bug fixes:

  - make BUNDLED WITH backwards compatible ([#3623](https://github.com/rubygems/bundler/issues/3623), @segiddins)

# 1.10.0.pre.1 (May 5, 2015)

## Bug fixes:

  - always clean up tmp dirs ([#3277](https://github.com/rubygems/bundler/issues/3277), @hone, @indirect, @segiddins)

# 1.10.0.pre (May 3, 2015)

## Features:

  - support gem extensions built into any directory on RubyGems 2.2+ ([#3582](https://github.com/rubygems/bundler/issues/3582), @voxik)
  - add 'bundler/inline' which provides a `gemfile` method ([#3440](https://github.com/rubygems/bundler/issues/3440), @segiddins)
  - improved error reports for Gemfile errors ([#3480](https://github.com/rubygems/bundler/issues/3480), @segiddins)
  - `lock` command ([#3437](https://github.com/rubygems/bundler/issues/3437), @segiddins)
  - add `ignore_messages` config to suppress post-install text ([#3510](https://github.com/rubygems/bundler/issues/3510), @pducks32)
  - improve `gem` minitest template ([#3513](https://github.com/rubygems/bundler/issues/3513), [#3515](https://github.com/bundler/bundler/issues/3515), @arthurnn)
  - add `install --force` to re-install installed gems ([#3519](https://github.com/rubygems/bundler/issues/3519), @segiddins)
  - show more `outdated` information, including groups (@smlance, @indirect)
  - add optional groups to the Gemfile ([#3531](https://github.com/rubygems/bundler/issues/3531), @jhass)
  - accept glob argument to `gemspec` in Gemfile ([#3464](https://github.com/rubygems/bundler/issues/3464), @pjump)
  - make timeouts and retries configurable via `config` ([#3601](https://github.com/rubygems/bundler/issues/3601), @pducks32)
  - add `install_if` Gemfile method for conditional installs ([#3611](https://github.com/rubygems/bundler/issues/3611), @segiddins)

## Bug fixes:

  - standalone mode now uses builtin gems correctly ([#3610](https://github.com/rubygems/bundler/issues/3610), @segiddins)
  - fix `rake spec:deps` on MinGW Ruby 2.0+ ([#3487](https://github.com/rubygems/bundler/issues/3487), @marutosi)
  - remember all y/n answers when generating gems ([#3579](https://github.com/rubygems/bundler/issues/3579), @pducks32)

## Performance:

  - use RubyGems stub specifications when possible ([#3580](https://github.com/rubygems/bundler/issues/3580), @segiddins)

## Deprecations:

  - deprecated the (never enabled) `bundle_ruby` binary (@smlance)

# 1.9.10 (June 22, 2015)

## Features:

  - the `BUNDLED WITH` section of lockfiles generated by 1.10+ will be preserved (@segiddins)

# 1.9.9 (May 16, 2015)

## Bug fixes:

  - read mirror and credential settings from older versions ([#3557](https://github.com/rubygems/bundler/issues/3557), @Strech)

# 1.9.8 (May 12, 2015)

## Bug fixes:

  - fix regression in sudo mode introduced by 1.9.7 ([#3642](https://github.com/rubygems/bundler/issues/3642), @segiddins)

# 1.9.7 (May 11, 2015)

## Bug fixes:

  - always clean up tmp dirs ([#3277](https://github.com/rubygems/bundler/issues/3277), @hone, @indirect, @segiddins)

# 1.9.6 (May 2, 2015)

## Bug fixes:

  - use RubyGems spec stubs if available (@segiddins)
  - allow creating gems with names containing two dashes ([#3483](https://github.com/rubygems/bundler/issues/3483), @janlelis)
  - allow creating gems with names extending constants ([#3603](https://github.com/rubygems/bundler/issues/3603), @amatsuda)

# 1.9.5 (April 29, 2015)

## Bug fixes:

  - respect Gemfile sources when installing a gem present in two sources ([#3585](https://github.com/rubygems/bundler/issues/3585), @tmoore)

# 1.9.4 (April 13, 2015)

## Bug fixes:

  - fix regression in installing x86 and universal gems ([#3565](https://github.com/rubygems/bundler/issues/3565), @jdmundrawala)
  - improve error when gems are missing ([#3564](https://github.com/rubygems/bundler/issues/3564), @sealocal)

# 1.9.3 (April 12, 2015)

## Bug fixes:

  - handle removal of `specs` from rubygems/rubygems@620910 ([#3558](https://github.com/rubygems/bundler/issues/3558), @indirect)
  - install 'universal' gems on Windows ([#3066](https://github.com/rubygems/bundler/issues/3066), @jdmundrawala)
  - stop passing --local during `rake install` task ([#3236](https://github.com/rubygems/bundler/issues/3236), @indirect)
  - guard against all possible accidental public gem pushes ([#3533](https://github.com/rubygems/bundler/issues/3533), @indirect)

# 1.9.2 (March 30, 2015)

## Bug fixes:

  - ensure gem executables are executable ([#3517](https://github.com/rubygems/bundler/issues/3517), [#3511](https://github.com/bundler/bundler/issues/3511), @indirect)
  - fix warnings in Molinillo ([#3516](https://github.com/rubygems/bundler/issues/3516), @segiddins)
  - ensure duplicate dependencies do not propagate ([#3522](https://github.com/rubygems/bundler/issues/3522), @segiddins)
  - keep gems locked when updating another gem from the same source ([#3520](https://github.com/rubygems/bundler/issues/3520), @indirect)
  - resolve race that could build gems without saved arguments ([#3404](https://github.com/rubygems/bundler/issues/3404), @indirect)

# 1.9.1 (March 21, 2015)

## Bug fixes:

  - avoid exception in 'bundler/gem_tasks' ([#3492](https://github.com/rubygems/bundler/issues/3492), @segiddins)

# 1.9.0 (March 20, 2015)

# 1.9.0.rc (March 13, 2015)

## Bug fixes:

  - make Bundler.which stop finding directories (@nohoho)
  - handle Bundler prereleases correctly ([#3470](https://github.com/rubygems/bundler/issues/3470), @segiddins)
  - add before_install to .travis.yml template for new gems (@kodnin)

# 1.9.0.pre.1 (March 11, 2015)

## Bug fixes:

  - make `gem` command work again (@arthurnn)

# 1.9.0.pre (March 11, 2015)

## Features:

  - prefer gemspecs closest to the directory root ([#3428](https://github.com/rubygems/bundler/issues/3428), @segiddins)
  - debug log for API request limits ([#3452](https://github.com/rubygems/bundler/issues/3452), @neerfri)

## Enhancements:

  - Molinillo resolver, shared with CocoaPods (@segiddins)
  - updated Thor to v0.19.1 (@segiddins)

# 1.8.9 (May 2, 2015)

## Bug fixes:

  - Use RubyGems spec stubs if available (@segiddins)

# 1.8.8 (April 29, 2015)

## Bug fixes:

  - Respect Gemfile sources when installing a gem present in two sources ([#3585](https://github.com/rubygems/bundler/issues/3585), @tmoore)

# 1.8.7 (April 7, 2015)

## Bug fixes:

  - stop suppressing errors inside gems that get required ([#3549](https://github.com/rubygems/bundler/issues/3549), @indirect)

# 1.8.6 (March 30, 2015)

## Bug fixes:

  - keep gems locked when updating another gem from the same source ([#3250](https://github.com/rubygems/bundler/issues/3250), @indirect)
  - resolve race that could build gems without saved arguments ([#3404](https://github.com/rubygems/bundler/issues/3404), @indirect)

# 1.8.5 (March 11, 2015)

## Bug fixes:

  - remove MIT license from gemspec when removing license file (@indirect)
  - respect 'no' immediately as well as saving it in `gem` config (@kirs)

# 1.8.4 (March 5, 2015)

## Bug fixes:

  - document --all-platforms option ([#3449](https://github.com/rubygems/bundler/issues/3449), @moeffju)
  - find gems from all sources on exec after install ([#3450](https://github.com/rubygems/bundler/issues/3450), @TimMoore)

# 1.8.3 (February 24, 2015)

## Bug fixes:

  - handle boolean values for gem settings (@EduardoBautista)
  - stop always looking for updated `path` gems ([#3414](https://github.com/rubygems/bundler/issues/3414), [#3417](https://github.com/bundler/bundler/issues/3417), [#3429](https://github.com/bundler/bundler/issues/3429), @TimMoore)

# 1.8.2 (February 14, 2015)

## Bug fixes:

  - allow config settings for gems with 'http' in the name again ([#3398](https://github.com/rubygems/bundler/issues/3398), @TimMoore)

# 1.8.1 (February 13, 2015)

## Bug fixes:

  - synchronize building git gem native extensions ([#3385](https://github.com/rubygems/bundler/issues/3385), @antifuchs & @indirect)
  - set gemspec bindir correctly ([#3392](https://github.com/rubygems/bundler/issues/3392), @TimMoore)
  - request lockfile deletion when it is malformed ([#3396](https://github.com/rubygems/bundler/issues/3396), @indirect)
  - explain problem when mirror config is missing ([#3386](https://github.com/rubygems/bundler/issues/3386), @indirect)
  - explain problem when caching causes permission error ([#3390](https://github.com/rubygems/bundler/issues/3390), @indirect)
  - normalize URLs in config keys ([#3391](https://github.com/rubygems/bundler/issues/3391), @indirect)

# 1.8.0 (February 10, 2015)

## Bug fixes:

  - gemfile `github` blocks now work ([#3379](https://github.com/rubygems/bundler/issues/3379), @indirect)
  - look up installed gems in remote sources ([#3300](https://github.com/rubygems/bundler/issues/3300), [#3368](https://github.com/bundler/bundler/issues/3368), [#3377](https://github.com/bundler/bundler/issues/3377), [#3380](https://github.com/bundler/bundler/issues/3380), [#3381](https://github.com/bundler/bundler/issues/3381), @indirect)
  - look up gems across all sources to satisfy dependencies ([#3365](https://github.com/rubygems/bundler/issues/3365), @keiths-osc)
  - request dependencies for no more than 100 gems at a time ([#3367](https://github.com/rubygems/bundler/issues/3367), @segiddins)

# 1.8.0.rc (January 26, 2015)

## Features:

  - add `config disable_multisource` option to ensure sources can't compete (@indirect)

## Bug fixes:

  - don't add extra quotes around long, quoted config values (@aroben, [#3338](https://github.com/rubygems/bundler/issues/3338))

## Security fixes:

  - warn when more than one top-level source is present (@indirect)

# 1.8.0.pre (January 26, 2015)

## Features:

  - add metadata allowed_push_host to new gem template ([#3002](https://github.com/rubygems/bundler/issues/3002), @juanitofatas)
  - adds a `--no-install` flag to `bundle package` (@d-reinhold)
  - add `bundle config auto_install true` to install automatically (@smashwilson)
  - add `bundle viz --without` to exclude gem groups from resulting graph (@fnichol)
  - prevent whitespace in gem declarations with clear messaging (@benlakey)
  - tries to find a `bundler-<command>` executable on your path for non-bundler commands (@andremedeiros)
  - tries to find `gems.rb` and it's new counterpart, `gems.locked` (@andremedeiros)
  - change the initial version of new gems from `0.0.1` to `0.1.0` (@petedmarsh)
  - add `package --all-platforms` to cache gems for each known platform (@ccutrer)
  - speed up `exec` when running commands on the $PATH (@kirs)
  - add gem code of conduct file and option (@kirs)
  - add config settings for gem license and tests (@kirs)
  - add `bin/setup` and `bin/console` to new gems (@indirect)
  - include configured user-agent in network requests (@indirect)
  - support `github`, `gist`, and `bitbucket` options on git gems (@indirect)
  - add `package --cache-path` and `config cache_path` for cache location (@jnraine)
  - allow `config` to work even when a Gemfile is not present (@dholdren)
  - add `config gemfile /path` for other Gemfile locations (@dholdren)
  - add `github` method alonside the `git` method (@BenMorganIO)

## Bug fixes:

  - reduce memory usage with threaded parallel workers (@Who828)
  - support read-only git gems (@pmahoney)
  - various resolver performance improvements (@dubek)
  - untaint git gem paths for Rubygems compatibility (@tdtds)

## Documentation:

  - add missing Gemfile global `path` explanation (@agenteo)

# 1.7.15 (April 29, 2015)

## Bug fixes:

  - Respect Gemfile sources when installing a gem present in two sources ([#3585](https://github.com/rubygems/bundler/issues/3585), @tmoore)

# 1.7.14 (March 30, 2015)

## Bug fixes:

  - Keep gems locked when updating another gem from the same source ([#3250](https://github.com/rubygems/bundler/issues/3250), @indirect)
  - Don't add extra quotes around long, quoted config values (@aroben, [#3338](https://github.com/rubygems/bundler/issues/3338))

# 1.7.13 (February 7, 2015)

## Bug fixes:

  - Look up installed gems in remote sources ([#3300](https://github.com/rubygems/bundler/issues/3300), [#3368](https://github.com/bundler/bundler/issues/3368), [#3377](https://github.com/bundler/bundler/issues/3377), [#3380](https://github.com/bundler/bundler/issues/3380), [#3381](https://github.com/bundler/bundler/issues/3381), @indirect)
  - Look up gems across all sources to satisfy dependencies ([#3365](https://github.com/rubygems/bundler/issues/3365), @keiths-osc)
  - Request dependencies for no more than 100 gems at a time ([#3367](https://github.com/rubygems/bundler/issues/3367), @segiddins)

# 1.7.12 (January 8, 2015)

## Bug fixes:

  - Always send credentials for sources, fixing private Gemfury gems ([#3342](https://github.com/rubygems/bundler/issues/3342), @TimMoore)

# 1.7.11 (January 4, 2015)

## Bug fixes:

  - Recognize `:mri_22` and `:mingw_22`, rather than just `:ruby_22` ([#3328](https://github.com/rubygems/bundler/issues/3328), @myabc)

# 1.7.10 (December 29, 2014)

## Bug fixes:

  - Fix source blocks sometimes causing deployment mode to fail wrongly ([#3298](https://github.com/rubygems/bundler/issues/3298), @TimMoore)

## Features:

  - Support `platform :mri_22` and related version bits ([#3309](https://github.com/rubygems/bundler/issues/3309), @thomasfedb)

# 1.7.9 (December 9, 2014)

## Bug fixes:

  - Fix an issue where bundler sometime spams one gem in Gemfile.lock ([#3216](https://github.com/rubygems/bundler/issues/3216), @Who828)
  - Ensure bundle update installs the newer version of the gem ([#3089](https://github.com/rubygems/bundler/issues/3089), @Who828)
  - Fix an regression which stopped Bundler from resolving some Gemfiles ([#3059](https://github.com/rubygems/bundler/issues/3059), [#3248](https://github.com/bundler/bundler/issues/3248), @Who828)

# 1.7.8 (December 6, 2014)

## Bug fixes:

  - Hide credentials while warning about gems with ambiguous sources ([#3256](https://github.com/rubygems/bundler/issues/3256), @TimMoore)

# 1.7.7 (November 19, 2014)

## Bug fixes:

  - Ensure server credentials stored in config or ENV will be used ([#3180](https://github.com/rubygems/bundler/issues/3180), @arronmabrey)
  - Fix race condition causing errors while installing git-based gems ([#3174](https://github.com/rubygems/bundler/issues/3174), @Who828)
  - Use single quotes in config so YAML won't add more quotes ([#3261](https://github.com/rubygems/bundler/issues/3261), @indirect)

# 1.7.6 (November 11, 2014)

## Bug fixes:

  - CA certificates that work with all OpenSSLs (@luislavena, @indirect)

# 1.7.5 (November 10, 2014)

## Bug fixes:

  - Fix --deployment with source blocks and non-alphabetical gems ([#3224](https://github.com/rubygems/bundler/issues/3224), @TimMoore)
  - Vendor CA chain to validate new rubygems.org HTTPS certificate (@indirect)

# 1.7.4 (October 19, 2014)

## Bug fixes:

  - Allow --deployment after `pack` while using source blocks ([#3167](https://github.com/rubygems/bundler/issues/3167), @TimMoore)
  - Use dependency API even when HTTP credentials are in ENV ([#3191](https://github.com/rubygems/bundler/issues/3191), @fvaleur)
  - Silence warnings (including root warning) in --quiet mode ([#3186](https://github.com/rubygems/bundler/issues/3186), @indirect)
  - Stop asking gem servers for gems already found locally ([#2909](https://github.com/rubygems/bundler/issues/2909), @dubek)

# 1.7.3 (September 14, 2014)

## Bug fixes:

  - `extconf.rb` is now generated with the right path for `create_makefile` (@andremedeiros)
  - Fix various Ruby warnings (@piotrsanarki, @indirect)

# 1.7.2 (August 23, 2014)

## Bug fixes:

  - Revert gem source sorting in lock files (@indirect)

# 1.7.1 (August 20, 2014)

## Bug fixes:

  - Install gems from one source needed by gems in another source (@indirect)
  - Install the same gem versions even after some are installed (@TimMoore)
  - Download specs only when installing from servers (@indirect)

# 1.7.0 (August 13, 2014)

## Security fixes:

  - Fix for CVE-2013-0334, installing gems from an unexpected source (@TimMoore)

## Features:

  - Gemfile `source` calls now take a block containing gems from that source (@TimMoore)
  - Added the `:source` option to `gem` to specify a source (@TimMoore)

## Bug fixes:

  - Warn on ambiguous gems available from more than one source (@TimMoore)

# 1.6.7 (October 19, 2014)

## Features:

  - warn to upgrade when using useless source blocks (@danfinnie)

## Documentation:

  - explain how to use gem server credentials via ENV (@hwartig)

# 1.6.6 (August 23, 2014)

## Bug fixes:

  - restore Gemfile credentials to Gemfile.lock (@indirect)

# 1.6.5 (July 23, 2014)

## Bug fixes:

  - require openssl explicitly to fix rare HTTPS request failures (@indirect, [#3107](https://github.com/rubygems/bundler/issues/3107))

# 1.6.4 (July 17, 2014)

## Bug fixes:

  - fix undefined constant error when can't find gem during binstubs ([#3095](https://github.com/rubygems/bundler/issues/3095), @jetaggart)
  - work when installed git gems are not writable ([#3092](https://github.com/rubygems/bundler/issues/3092), @pmahoney)
  - don't store configured source credentials in Gemfile.lock ([#3045](https://github.com/rubygems/bundler/issues/3045), @lhz)
  - don't include config source credentials in the lockfile (Lars Haugseth)
  - use threads for jobs on Rubinius (@YorickPeterse)
  - skip dependencies from other platforms (@mvz)
  - work when Rubygems was built without SSL (@andremedeiros)

# 1.6.3 (June 16, 2014)

## Bug fixes:

  - fix regression when resolving many conflicts ([#2994](https://github.com/rubygems/bundler/issues/2994), @Who828)
  - use local gemspec for builtin gems during install --local ([#3041](https://github.com/rubygems/bundler/issues/3041), @Who828)
  - don't warn about sudo when installing on Windows ([#2984](https://github.com/rubygems/bundler/issues/2984), @indirect)
  - shell escape `bundle open` arguments (@indirect)

# 1.6.2 (April 13, 2014)

## Bug fixes:

  - fix an exception when using builtin gems ([#2915](https://github.com/rubygems/bundler/issues/2915), [#2963](https://github.com/bundler/bundler/issues/2963), @gnufied)
  - cache gems that are built in to the running ruby ([#2975](https://github.com/rubygems/bundler/issues/2975), @indirect)
  - re-allow deploying cached git gems without git installed ([#2968](https://github.com/rubygems/bundler/issues/2968), @aughr)
  - keep standalone working even with builtin gems (@indirect)
  - don't update vendor/cache in deployment mode ([#2921](https://github.com/rubygems/bundler/issues/2921), @indirect)

## Features:

  - warn informatively when `bundle install` is run as root ([#2936](https://github.com/rubygems/bundler/issues/2936), @1337807)

# 1.6.1 (April 2, 2014)

## Bug fixes:

  - update C extensions when git gem versions change ([#2948](https://github.com/rubygems/bundler/issues/2948), @dylanahsmith)

## Features:

  - add support for C extensions in sudo mode on Rubygems 2.2

# 1.6.0 (March 28, 2014)

## Bug fixes:

  - many Gemfiles that caused incorrect errors now resolve correctly (@Who828)
  - redirects across hosts now work on rubies without OpenSSL ([#2686](https://github.com/rubygems/bundler/issues/2686), @grddev)
  - gemspecs now handle filenames with newlines ([#2634](https://github.com/rubygems/bundler/issues/2634), @jasonmp85)
  - support escaped characters in usernames and passwords (@punkie)
  - no more exception on `update GEM` without lock file (@simi)
  - allow long config values ([#2823](https://github.com/rubygems/bundler/issues/2823), @kgrz)
  - cache successfully even locked to gems shipped with Ruby ([#2869](https://github.com/rubygems/bundler/issues/2869), @aughr)
  - respect NO_PROXY even if a proxy is configured ([#2878](https://github.com/rubygems/bundler/issues/2878), @stlay)
  - only retry git commands that hit the network ([#2899](https://github.com/rubygems/bundler/issues/2899), @timmoore)
  - fix NameError regression when OpenSSL is not available ([#2898](https://github.com/rubygems/bundler/issues/2898), @timmoore)
  - handle exception installing when build_info owned by root (@Who828)
  - skip HTTP redirects from rubygems.org, huge speed boost (@Who828)

## Features:

  - resolver rewritten to avoid recursion (@Who828)
  - add `git_source` for custom options like :github and :gist (@strzalek)
  - HTTP auth may now be stored in `bundle config` (@smashwilson)
  - some complex Gemfiles are resolved up to 10x faster (@Who828)
  - add support for IRB alternatives such as Pry and Ripl (@joallard, @postmodern)
  - highlight installed or updated gems ([#2722](https://github.com/rubygems/bundler/issues/2722), [#2741](https://github.com/bundler/bundler/issues/2741), @yaotti, @simi)
  - display the `post_install_message` for gems installed via :git (@phallstrom)
  - `bundle outdated --strict` now only reports allowed updates (@davidblondeau)
  - `bundle show --verbose` Add gem summary to the output (@lardcanoe)
  - `bundle gem GEM --ext` now generates a skeleton for a C extension (@superdealloc)
  - Avoid using threequals operator where possible (@as-cii)
  - Add `bundle update --group` to update specific group ([#2731](https://github.com/rubygems/bundler/issues/2731) @banyan)

## Documentation:

  - Add missing switches for bundle-install(1) and bundle-update(1) (@as-cii)

# 1.5.3 (February 6, 2014)

## Bug fixes:

  - find "missing" gems that are actually present ([#2780](https://github.com/rubygems/bundler/issues/2780), [#2818](https://github.com/bundler/bundler/issues/2818), [#2854](https://github.com/bundler/bundler/issues/2854))
  - use n-1 cores when given n jobs for parallel install (@jdickey)

# 1.5.2 (January 10, 2014)

## Bug fixes:

  - fix integration with Rubygems 1.8.0-1.8.19
  - handle ENETDOWN exception during network requests
  - gracefully shut down after interrupt during parallel install (@Who828)
  - allow Rails to run Thor without debug mode (@rafaelfranca)
  - set git binstub permissions by umask (@v-yarotsky)
  - remove parallel install debug log

# 1.5.1 (December 28, 2013)

## Bug fixes:

  - correctly find gems installed with Ruby by default

# 1.5.0 (December 26, 2013)

## Features:

  - install missing gems if their specs are present (@hone)

## Bug fixes:

  - use print for "Installing…" so messages are thread-safe (@TimMoore)

# 1.5.0.rc.2 (December 18, 2013)

## Features:

  - Support threaded installation on Rubygems 2.0.7+
  - Debug installation logs in .bundle/install.log

## Bug fixes:

  - Try to catch gem installation race conditions

# 1.5.0.rc.1 (November 9, 2013)

## Features:

  - bundle update also accepts --jobs ([#2692](https://github.com/rubygems/bundler/issues/2692), @mrkn)
  - add fork URL to README for new `bundle gem` ([#2665](https://github.com/rubygems/bundler/issues/2665), @zzak)
  - add `bundle outdated --strict` ([#2685](https://github.com/rubygems/bundler/issues/2685), @davidblondeau)
  - warn if same gem/version is added twice ([#2679](https://github.com/rubygems/bundler/issues/2679), @jendiamond)
  - don't redownload installed specs for `bundle install` ([#2680](https://github.com/rubygems/bundler/issues/2680), @cainlevy)
  - override gem sources with mirrors ([#2650](https://github.com/rubygems/bundler/issues/2650), @danielsdeleo, @mkristian)

## Bug fixes:

  - fix sharing same SSL socket when forking workers for parallel install ([#2632](https://github.com/rubygems/bundler/issues/2632))
  - fix msg typo in GitNotAllowedError ([#2654](https://github.com/rubygems/bundler/issues/2654), @joyicecloud)
  - fix Bundler.which for directories ([#2697](https://github.com/rubygems/bundler/issues/2697), @rhysd)
  - properly require `Capistrano::Version` ([#2690](https://github.com/rubygems/bundler/issues/2690), @steveklabnik)
  - search for git.exe and git
  - fix the bug that downloads every spec when API fetcher encounters an error
  - only retry network requests

# 1.4.0.rc.1 (September 29, 2013)

## Features:

  - add support for the x64-mingw32 platform ([#2356](https://github.com/rubygems/bundler/issues/2356), [#2590](https://github.com/bundler/bundler/issues/2590), @larskanis)
  - add :patchlevel option to ruby DSL
  - add `bundler` bin ([#2598](https://github.com/rubygems/bundler/issues/2598), @kirs)
  - friendly ambiguous error messages ([#2581](https://github.com/rubygems/bundler/issues/2581), [#2550](https://github.com/bundler/bundler/issues/2550), @jlsuttles, @jendiamond, @joyicecloud)
  - add `:jruby_18` and `:jruby_19` platform options (@mcfiredrill)
  - add X.509 client certificates for auth without passwords (@snackbandit)
  - add `exec --keep-file-descriptors` for Ruby 1.9-like behavior on 2.0 (@steved555)
  - print a better error when git is not installed (@joyicecloud)
  - exit non-zero when `outdated` is run with an unknown gem (@joyicecloud)
  - add `:ruby_21` platform option (@brandonblack)
  - add `--retry` to retry failed network and git commands (@schneems)
  - include command and versions in User-Agent (@indirect, @joyicecloud)

## Bug fixes:

  - allow passwordless Basic Auth ([#2606](https://github.com/rubygems/bundler/issues/2606), @rykov)
  - don't suggest `gem install foo` when `foo` is a git gem that fails (@kirs)
  - revert [#2569](https://github.com/rubygems/bundler/issues/2569), staying compatible with git: instead of https: for :github gems
  - handle exceptions while installing gems in parallel (@gnufied)

# 1.4.0.pre.1 (August 4, 2013)

## Features:

  - retry network requests while installing gems ([#2561](https://github.com/rubygems/bundler/issues/2561), @ascherger)
  - faster installs using gemspecs from the local system cache ([#2497](https://github.com/rubygems/bundler/issues/2497), @mipearson)
  - add `bundle install -jN` for N parallel gem installations ([#2481](https://github.com/rubygems/bundler/issues/2481), @eagletmt)
  - add `ENV['DEBUG_RESOLVER_TREE']` outputs resolver tree (@dblock)
  - set $MANPATH so `bundle exec man name` works ([#1624](https://github.com/rubygems/bundler/issues/1624), @sunaku)
  - use `man` instead of `groff` ([#2579](https://github.com/rubygems/bundler/issues/2579), @ixti, @simi)
  - add Gemfile dependency info to bundle outdated output ([#2487](https://github.com/rubygems/bundler/issues/2487), @rahearn)
  - allow `require: true` as an alias for `require: <name>` ([#2538](https://github.com/rubygems/bundler/issues/2538), @ndbroadbent)
  - rescue and report Thor errors ([#2478](https://github.com/rubygems/bundler/issues/2478), @pjvds)
  - detect cyclic dependencies ([#2564](https://github.com/rubygems/bundler/issues/2564), @gnufied)
  - support multiple gems in `binstubs` ([#2576](https://github.com/rubygems/bundler/issues/2576), @lucasmazza)
  - use https instead of git for :github gems ([#2569](https://github.com/rubygems/bundler/issues/2569), @fuadsaud)
  - add quiet option to `bundle package` ([#2573](https://github.com/rubygems/bundler/issues/2573), @shtirlic)
  - use RUBYLIB instead of RUBYOPT for better Windows support ([#2536](https://github.com/rubygems/bundler/issues/2536), @equinux)

## Bug fixes:

  - reduce stack size while resolving to fix JRuby overflow ([#2510](https://github.com/rubygems/bundler/issues/2510), @headius)
  - display GitErrors while loading specs in --verbose mode ([#2461](https://github.com/rubygems/bundler/issues/2461))
  - allow the same options hash to be passed to multiple gems ([#2447](https://github.com/rubygems/bundler/issues/2447))
  - handle missing binaries without an exception ([#2019](https://github.com/rubygems/bundler/issues/2019), @luismreis)

# 1.3.6 (January 8, 2014)

## Bug fixes:

  - make gemspec path option preserve relative paths in lock file (@bwillis)
  - use umask when creating binstubs ([#1618](https://github.com/rubygems/bundler/issues/1618), @v-yarotsky)
  - warn if graphviz is not installed ([#2435](https://github.com/rubygems/bundler/issues/2435), @Agis-)
  - show git errors while loading gemspecs
  - don't mutate gem method options hash ([#2447](https://github.com/rubygems/bundler/issues/2447))
  - print Thor errors ([#2478](https://github.com/rubygems/bundler/issues/2478), @pjvds)
  - print Rubygems system exit errors (James Cook)
  - more Pathnames into Strings for MacRuby (@kml)
  - preserve original gemspec path (@bwillis)
  - remove warning about deps with :git ([#1651](https://github.com/rubygems/bundler/issues/1651), @ixti)
  - split git files on null ([#2634](https://github.com/rubygems/bundler/issues/2634), @jasonmp85)
  - handle cross-host redirects without SSL ([#2686](https://github.com/rubygems/bundler/issues/2686), @grddev)
  - handle Rubygems 2 security exception (@zzak)
  - reinstall gems if they are missing with spec present
  - set binstub permissions using umask ([#1618](https://github.com/rubygems/bundler/issues/1618), @v-yarotsky)

# 1.3.5 (April 3, 2013)

## Features:

  - progress indicator while resolver is running (@chief)

## Bug fixes:

  - update local overrides with orphaned revisions (@jamesferguson)
  - revert to working quoting of RUBYOPT on Windows (@ogra)
  - use basic auth even when SSL is not available (@jayniz)
  - installing git gems without dependencies in deployment now works

# 1.3.4 (March 15, 2013)

## Bug fixes:

  - load YAML on Rubygems versions that define module YAML
  - fix regression that broke --without on ruby 1.8.7

# 1.3.3 (March 13, 2013)

## Features:

  - compatible with Rubygems 2.0.2 (higher and lower already work)
  - mention skipped groups in bundle install and bundle update output (@simi)
  - `gem` creates rake tasks for minitest (@coop) and rspec

## Bug fixes:

  - require rbconfig for standalone mode

# 1.3.2 (March 7, 2013)

## Features:

  - include rubygems.org CA chain

## Bug fixes:

  - don't store --dry-run as a Bundler setting

# 1.3.1 (March 3, 2013)

## Bug fixes:

  - include manpages in gem, restoring many help pages
  - handle more SSL certificate verification failures
  - check for the full version of SSL, which we need (@alup)
  - gem rake task 'install' now depends on task 'build' (@sunaku)

# 1.3.0 (February 24, 2013)

## Features:

  - raise a useful error when the lockfile contains a merge conflict (@zofrex)
  - ensure `rake release` checks for uncommitted as well as unstaged (@benmoss)
  - allow environment variables to be negated with 'false' and '0' (@brettporter)
  - set $MANPATH inside `exec` for gems with man pages (@sunaku)
  - partial gem names for `open` and `update` now return a list (@takkanm)

## Bug fixes:

  - `update` now (again) finds gems that aren't listed in the Gemfile
  - `install` now (again) updates cached gems that aren't in the Gemfile
  - install Gemfiles with HTTP sources even without OpenSSL present
  - display CerficateFailureError message in full

# 1.3.0.pre.8 (February 12, 2013)

## Security fixes:

  - validate SSL certificate chain during HTTPS network requests
  - don't send HTTP Basic Auth creds when redirected to other hosts (@perplexes)
  - add `--trust-policy` to `install`, like `gem install -P` (@CosmicCat, [#2293](https://github.com/rubygems/bundler/issues/2293))

## Features:

  - optimize resolver when too new of a gem is already activated (@rykov, [#2248](https://github.com/rubygems/bundler/issues/2248))
  - update Net::HTTP::Persistent for SSL cert validation and no_proxy ENV
  - explain SSL cert validation failures
  - generate gemspecs when installing git repos, removing shellouts
  - add pager selection (@csgui)
  - add `licenses` command (@bryanwoods, [#1898](https://github.com/rubygems/bundler/issues/1898))
  - sort output from `outdated` (@richardkmichael, [#1896](https://github.com/rubygems/bundler/issues/1896))
  - add a .travis.yml to `gem -t` (@ndbroadbent, [#2143](https://github.com/rubygems/bundler/issues/2143))
  - inform users when the resolver starts
  - disable reverse DNS to speed up API requests (@raggi)

## Bug fixes:

  - raise errors while requiring dashed gems ([#1807](https://github.com/rubygems/bundler/issues/1807))
  - quote the Bundler path on Windows (@jgeiger, [#1862](https://github.com/rubygems/bundler/issues/1862), [#1856](https://github.com/bundler/bundler/issues/1856))
  - load gemspecs containing unicode (@gaffneyc, [#2301](https://github.com/rubygems/bundler/issues/2301))
  - support any ruby version in --standalone
  - resolve some ruby -w warnings (@chastell, [#2193](https://github.com/rubygems/bundler/issues/2193))
  - don't scare users with an error message during API fallback
  - `install --binstubs` is back to overwriting. thanks, SemVer.

# 1.3.0.pre.7 (January 22, 2013)

## Bug fixes:

  - stubs for gems with dev deps no longer cause exceptions ([#2272](https://github.com/rubygems/bundler/issues/2272))
  - don't suggest binstubs to --binstubs users

# 1.3.0.pre.6 (January 22, 2013)

## Features:

  - `binstubs` lists child gem bins if a gem has no binstubs
  - `bundle gem --edit` will open the new gemspec (@ndbroadbent)
  - `bundle gem --test rspec` now makes working tests (@tricknotes)
  - `bundle env` prints info about bundler's environment (@peeja)
  - add `BUNDLE_IGNORE_CONFIG` environment variable support (@richo)

## Bug fixes:

  - don't overwrite custom binstubs during `install --binstubs`
  - don't throw an exception if `binstubs` gem doesn't exist
  - `bundle config` now works in directories without a Gemfile

# 1.3.0.pre.5 (January 9, 2013)

## Features:

  - make `--standalone` require lines ruby engine/version agnostic
  - add `--dry-run` to `bundle clean` (@wfarr, [#2237](https://github.com/rubygems/bundler/issues/2237))

## Bug fixes:

  - don't skip writing binstubs when doing `bundle install`
  - distinguish between ruby 1.9/2.0 when using :platforms (@spastorino)

# 1.3.0.pre.4 (January 3, 2013)

## Features:

  - `bundle binstubs <gem>` to setup individual binstubs
  - `bundle install --binstubs ""` will remove binstubs option
  - `bundle clean --dry-run` will print out gems instead of removing them

## Bug fixes:

  - Avoid stack traces when Ctrl+C during bundle command (@mitchellh)
  - fix YAML parsing in in ruby-preview2

# 1.3.0.pre.3 (December 21, 2012)

## Features:

  - pushing gems during `rake release` can be disabled (@trans)
  - installing gems with `rake install` is much faster (@utkarshkukreti)
  - added platforms :ruby_20 and :mri_20, since the ABI has changed
  - added '--edit' option to open generated gemspec in editor

## Bug fixes:

  - :git gems with extensions now work with Rubygems >= 2.0 (@jeremy)
  - revert SemVer breaking change to :github
  - `outdated` exits non-zero if outdated gems found (@rohit, [#2021](https://github.com/rubygems/bundler/issues/2021))
  - https Gist URLs for compatibility with Gist 2.0 (@NARKOZ)
  - namespaced gems no longer generate a superfluous directory (@banyan)

# 1.3.0.pre.2 (December 9, 2012)

## Features:

  - `config` expands local overrides like `local.rack .` (@gkop, [#2205](https://github.com/rubygems/bundler/issues/2205))
  - `gem` generates files correctly for names like `jquery-rails` (@banyan, [#2201](https://github.com/rubygems/bundler/issues/2201))
  - use gems from gists with the :gist option in the Gemfile (@jgaskins)

## Bug fixes:

  - Gemfile sources other than rubygems.org work even when .gemrc contains sources
  - caching git gems now caches specs, fixing e.g. git ls-files (@bison, [#2039](https://github.com/rubygems/bundler/issues/2039))
  - `show GEM` now warns if the directory has been deleted (@rohit, [#2070](https://github.com/rubygems/bundler/issues/2070))
  - git output hidden when running in --quiet mode (@rohit)

# 1.3.0.pre (November 29, 2012)

## Features:

  - compatible with Ruby 2.0.0-preview2
  - compatible with Rubygems 2.0.0.preview2 (@drbrain, @evanphx)
  - ruby 2.0 added to the `:ruby19` ABI-compatible platform
  - lazy load YAML, allowing Psych to be specified in the Gemfile
  - significant performance improvements (@cheald, [#2181](https://github.com/rubygems/bundler/issues/2181))
  - `inject` command for scripted Gemfile additions (Engine Yard)
  - :github option uses slashless arguments as repo owner (@rking)
  - `open` suggests gem names for typos (@jdelStrother)
  - `update` reports non-existent gems (@jdelStrother)
  - `gem` option --test can generate rspec stubs (@MafcoCinco)
  - `gem` option --test can generate minitest stubs (@kcurtin)
  - `gem` command generates MIT license (@BrentWheeldon)
  - gem rake task 'release' resuses existing tags (@shtirlic)

## Bug fixes:

  - JRuby new works with HTTPS gem sources (@davidcelis)
  - `install` installs both rake rake-built gems at once (@crowbot, [#2107](https://github.com/rubygems/bundler/issues/2107))
  - handle Errno::ETIMEDOUT errors (@jmoses)
  - handle Errno::EAGAIN errors on JRuby
  - disable ANSI coloring when output is redirected (@tomykaira)
  - raise LoadErrors correctly during Bundler.require (@Empact)
  - do not swallow --verbose on `bundle exec` (@sol, [#2102](https://github.com/rubygems/bundler/issues/2102))
  - `gem` generates gemspecs that block double-requires
  - `gem` generates gemspecs that admit they depend on rake

# 1.2.5 (February 24, 2013)

## Bug fixes:

  - install Gemfiles with HTTP sources even without OpenSSL present
  - display CerficateFailureError message in full

# 1.2.4 (February 12, 2013)

## Features:

  - warn about Ruby 2.0 and Rubygems 2.0
  - inform users when the resolver starts
  - disable reverse DNS to speed up API requests (@raggi)

## Bug fixes:

  - don't send user/pass when redirected to another host (@perplexes)
  - load gemspecs containing unicode (@gaffneyc, [#2301](https://github.com/rubygems/bundler/issues/2301))
  - support any ruby version in --standalone
  - resolve some ruby -w warnings (@chastell, [#2193](https://github.com/rubygems/bundler/issues/2193))
  - don't scare users with an error message during API fallback

# 1.2.3 (November 29, 2012)

## Bug fixes:

  - fix exceptions while loading some gemspecs

# 1.2.2 (November 14, 2012)

## Bug fixes:

  - support new Psych::SyntaxError for Ruby 2.0.0 (@tenderlove, @sol)
  - `bundle viz` works with git gems again (@hirochachacha)
  - recognize more cases when OpenSSL is not present

# 1.2.1 (September 19, 2012)

## Bug fixes:

  - `bundle clean` now works with BUNDLE_WITHOUT groups again
  - have a net/http read timeout around the Gemcutter API Endpoint

# 1.2.0 (August 30, 2012)

## Bug fixes:

  - raise original error message from LoadError's

## Documentation:

  - `platform` man pages

# 1.2.0.rc.2 (August 8, 2012)

## Bug fixes:

  - `clean` doesn't remove gems that are included in the lockfile

# 1.2.0.rc (July 17, 2012)

## Features:

  - `check` now has a `--dry-run` option (@svenfuchs, [#1811](https://github.com/rubygems/bundler/issues/1811))
  - loosen ruby directive for engines
  - prune git/path directories inside vendor/cache (@josevalim, [#1988](https://github.com/rubygems/bundler/issues/1988))
  - update vendored thor to 0.15.2 (@sferik)
  - add .txt to LICENSE (@postmodern, [#2001](https://github.com/rubygems/bundler/issues/2001))
  - add `config disable_local_branch_check` (@josevalim, [#1985](https://github.com/rubygems/bundler/issues/1985))
  - fall back on the full index when experiencing syck errors ([#1419](https://github.com/rubygems/bundler/issues/1419))
  - handle syntax errors in Ruby gemspecs ([#1974](https://github.com/rubygems/bundler/issues/1974))

## Bug fixes:

  - fix `pack`/`cache` with `--all` (@josevalim, [#1989](https://github.com/rubygems/bundler/issues/1989))
  - don't display warning message when `cache_all` is set
  - check for `nil` PATH ([#2006](https://github.com/rubygems/bundler/issues/2006))
  - Always try to keep original GEM_PATH (@drogus, [#1920](https://github.com/rubygems/bundler/issues/1920))

# 1.2.0.pre.1 (May 27, 2012)

## Features:

  - Git gems import submodules of submodules recursively (@nwwatson, [#1935](https://github.com/rubygems/bundler/issues/1935))

## Bug fixes:

  - Exit from `check` with a non-zero status when frozen with no lock
  - Use `latest_release` in Capistrano and Vlad integration ([#1264](https://github.com/rubygems/bundler/issues/1264))
  - Work around a Ruby 1.9.3p194 bug in Psych when config files are empty

## Documentation:

  - Add instructions for local git repos to the `config` manpage
  - Update the `Gemfile` manpage to include ruby versions (@stevenh512)
  - When OpenSSL is missing, provide instructions for fixing ([#1776](https://github.com/rubygems/bundler/issues/1776) etc.)
  - Unknown exceptions now link to ISSUES for help instead of a new ticket
  - Correct inline help for `clean --force` (@dougbarth, [#1911](https://github.com/rubygems/bundler/issues/1911))

# 1.2.0.pre (May 4, 2012)

## Features:

  - bundle package now accepts --all to package git and path dependencies
  - bundle config now accepts --local, --global and --delete options
  - It is possible to override a git repository via configuration.
    For instance, if you have a git dependency on rack, you can force
    it to use a local repo with `bundle config local.rack ~/path/to/rack`
  - Cache gemspec loads for performance (@dekellum, [#1635](https://github.com/rubygems/bundler/issues/1635))
  - add --full-index flag to `bundle update` (@fluxx, [#1829](https://github.com/rubygems/bundler/issues/1829))
  - add --quiet flag to `bundle update` (@nashby, [#1654](https://github.com/rubygems/bundler/issues/1654))
  - Add Bundler::GemHelper.gemspec (@knu, [#1637](https://github.com/rubygems/bundler/issues/1637))
  - Graceful handling of Gemfile syntax errors (@koraktor, [#1661](https://github.com/rubygems/bundler/issues/1661))
  - `bundle platform` command
  - add ruby to DSL, to specify version of ruby
  - error out if the ruby version doesn't match

## Performance:

  - bundle exec shouldn't run Bundler.setup just setting the right rubyopts options is enough (@spastorino, [#1598](https://github.com/rubygems/bundler/issues/1598))

## Bug fixes:

  - Avoid passing RUBYOPT changes in with_clean_env block (@eric1234, [#1604](https://github.com/rubygems/bundler/issues/1604))
  - Use the same ruby to run subprocesses as is running rake (@brixen)

## Documentation:

  - Add :github documentation in DSL (@zofrex, [#1848](https://github.com/rubygems/bundler/issues/1848), [#1851](https://github.com/bundler/bundler/issues/1851), [#1852](https://github.com/bundler/bundler/issues/1852))
  - Add docs for the --no-cache option (@fluxx, [#1796](https://github.com/rubygems/bundler/issues/1796))
  - Add basic documentation for bin_path and bundle_path (@radar)
  - Add documentation for the run method in Bundler::Installer

# 1.1.5 (July 17, 2012)

## Features:

  - Special case `ruby` directive from 1.2.0, so you can install Gemfiles that use it

# 1.1.4 (May 27, 2012)

## Bug fixes:

  - Use `latest_release` in Capistrano and Vlad integration ([#1264](https://github.com/rubygems/bundler/issues/1264))
  - Unknown exceptions now link to ISSUES for help instead of a new ticket
  - When OpenSSL is missing, provide instructions for fixing ([#1776](https://github.com/rubygems/bundler/issues/1776) etc.)
  - Correct inline help for `clean --force` (@dougbarth, [#1911](https://github.com/rubygems/bundler/issues/1911))
  - Work around a Ruby 1.9.3p194 bug in Psych when config files are empty

# 1.1.3 (March 23, 2012)

## Bug fixes:

  - escape the bundler root path (@tenderlove, [#1789](https://github.com/rubygems/bundler/issues/1789))

# 1.1.2 (March 20, 2012)

## Bug fixes:

  - Fix --deployment for multiple PATH sections of the same source ([#1782](https://github.com/rubygems/bundler/issues/1782))

# 1.1.1 (March 14, 2012)

## Bug fixes:

  - Rescue EAGAIN so the fetcher works on JRuby on Windows
  - Stop asking users to report gem installation errors
  - Clarify "no sources" message
  - Use $\ so `bundle gem` gemspecs work on Windows (@postmodern)
  - URI-encode gem names for dependency API (@rohit, [#1672](https://github.com/rubygems/bundler/issues/1672))
  - Fix `cache` edge case in rubygems 1.3.7 ([#1202](https://github.com/rubygems/bundler/issues/1202))

## Performance:

  - Reduce invocation of git ls-files in `bundle gem` gemspecs (@knu)

# 1.1.0 (March 7, 2012)

## Bug fixes:

  - Clean up corrupted lockfiles on bundle installs
  - Prevent duplicate GIT sources
  - Fix post_install_message when uing the endpoint API

# 1.1.rc.8 (March 3, 2012)

## Performance:

  - don't resolve if the Gemfile.lock and Gemfile haven't changed

## Bug fixes:

  - Load gemspecs from git even when a released gem has the same version ([#1609](https://github.com/rubygems/bundler/issues/1609))
  - Declare an accurate Ruby version requirement of 1.8.7 or newer ([#1619](https://github.com/rubygems/bundler/issues/1619))
  - handle gemspec development dependencies correctly (@raggi, [#1639](https://github.com/rubygems/bundler/issues/1639))
  - Avoid passing RUBYOPT changes in with_clean_env block. (eric1234, [#1604](https://github.com/rubygems/bundler/issues/1604))

# 1.1.rc.7 (December 29, 2011)

## Bug fixes:

  - Fix bug where `clean` would break when using :path with no gemspec

# 1.1.rc.6 (December 22, 2011)

## Bug fixes:

  - Fix performance regression from 1.0 (@spastorino, [#1511](https://github.com/rubygems/bundler/issues/1511), [#1591](https://github.com/bundler/bundler/issues/1591), [#1592](https://github.com/bundler/bundler/issues/1592))
  - Load gems correctly when GEM_HOME is blank
  - Refresh gems so Bundler works from inside a bundle
  - Handle empty .bundle/config files without an error

# 1.1.rc.5 (December 14, 2011)

## Bug fixes:

  - Fix ASCII encoding errors with gem (rerelease with ruby 1.8)

# 1.1.rc.4 (December 14, 2011)

## Features:

  - `bundle viz` has the option to output a DOT file instead of a PNG (@hirochachacha, [#683](https://github.com/rubygems/bundler/issues/683))

## Bug fixes:

  - Ensure binstubs generated when using --standalone point to the standalonde bundle (@cowboyd, [#1588](https://github.com/rubygems/bundler/issues/1588))
  - fix `bundle viz` (@hirochachacha, [#1586](https://github.com/rubygems/bundler/issues/1586))

# 1.1.rc.3 (December 8, 2011)

## Bug fixes:

  - fix relative_path so it checks Bundler.root is actually in the beginning of the path ([#1582](https://github.com/rubygems/bundler/issues/1582))
  - fix bundle outdated doesn't list all gems (@joelmoss, [#1521](https://github.com/rubygems/bundler/issues/1521))

# 1.1.rc.2 (December 6, 2011)

## Features:

  - Added README.md to `newgem` (@ognevsky, [#1574](https://github.com/rubygems/bundler/issues/1574))
  - Added LICENSE (MIT) to newgem (@ognevsky, [#1571](https://github.com/rubygems/bundler/issues/1571))

## Bug fixes:

  - only auto-namespace requires for implied requires ([#1531](https://github.com/rubygems/bundler/issues/1531))
  - fix bundle clean output for git repos ([#1473](https://github.com/rubygems/bundler/issues/1473))
  - use Gem.bindir for bundle clean ([#1544](https://github.com/rubygems/bundler/issues/1544), [#1532](https://github.com/bundler/bundler/issues/1532))
  - use `Gem.load_env_plugins` instead of `Gem.load_env_plugins` ([#1500](https://github.com/rubygems/bundler/issues/1500), [#1543](https://github.com/bundler/bundler/issues/1543))
  - differentiate Ruby 2.0 (trunk) from Ruby 1.9 (@tenderlove, [#1539](https://github.com/rubygems/bundler/issues/1539))
  - `bundle clean` handles 7 length git hash for bundle clean ([#1490](https://github.com/rubygems/bundler/issues/1490), [#1491](https://github.com/bundler/bundler/issues/1491))
  - fix Psych loading issues
  - Search $PATH for a binary rather than shelling out to `which` (@tenderlove, [#1573](https://github.com/rubygems/bundler/issues/1573))
  - do not clear RG cache unless we actually modify GEM_PATH and GEM_HOME- use `Gem.load_env_plugins` instead of `Gem.load_env_plugins` ([#1500](https://github.com/rubygems/bundler/issues/1500), [#1543](https://github.com/bundler/bundler/issues/1543))
  - `newgem` now uses https://rubygems.org ([#1562](https://github.com/rubygems/bundler/issues/1562))
  - `bundle init` now uses https://rubygems.org (@jjb, [#1522](https://github.com/rubygems/bundler/issues/1522))
  - `bundle install/update` does not autoclean when using --path for semver

## Documentation:

  - added documentation for --shebang option for `bundle install` (@lunks, [#1475](https://github.com/rubygems/bundler/issues/1475), [#1558](https://github.com/bundler/bundler/issues/1558))

# 1.1.rc (October 3, 2011)

## Features:

  - add `--shebang` option to bundle install (@bensie, [#1467](https://github.com/rubygems/bundler/issues/1467))
  - build passes on ruby 1.9.3rc1 ([#1458](https://github.com/rubygems/bundler/issues/1458), [#1469](https://github.com/bundler/bundler/issues/1469))
  - hide basic auth credentials for custom sources ([#1440](https://github.com/rubygems/bundler/issues/1440), [#1463](https://github.com/bundler/bundler/issues/1463))

## Bug fixes:

  - fix index search result caching ([#1446](https://github.com/rubygems/bundler/issues/1446), [#1466](https://github.com/bundler/bundler/issues/1466))
  - fix fetcher prints multiple times during install ([#1445](https://github.com/rubygems/bundler/issues/1445), [#1462](https://github.com/bundler/bundler/issues/1462))
  - don't mention API errors from non-rubygems.org sources
  - fix autoclean so it doesn't remove bins that are used ([#1459](https://github.com/rubygems/bundler/issues/1459), [#1460](https://github.com/bundler/bundler/issues/1460))

## Documentation:

  - add :require => [...] to the gemfile(5) manpage (@nono, [#1468](https://github.com/rubygems/bundler/issues/1468))

# 1.1.pre.10 (September 27, 2011)

## Features:

  - `config system_bindir foo` added, works like "-n foo" in your .gemrc file

# 1.1.pre.9 (September 18, 2011)

## Features:

  - `clean` will now clean up all old .gem and .gemspec files, cleaning up older pres
  - `clean` will be automatically run after bundle install and update when using `--path` ([#1420](https://github.com/rubygems/bundler/issues/1420), [#1425](https://github.com/bundler/bundler/issues/1425))
  - `clean` now takes a `--force` option ([#1247](https://github.com/rubygems/bundler/issues/1247), [#1426](https://github.com/bundler/bundler/issues/1426))
  - `clean` will clean up cached git dirs in bundle clean ([#1390](https://github.com/rubygems/bundler/issues/1390))
  - remove deprecations from DSL ([#1119](https://github.com/rubygems/bundler/issues/1119))
  - autorequire tries directories for gems with dashed names ([#1205](https://github.com/rubygems/bundler/issues/1205))
  - adds a `--paths` flag to `bundle show` to list all the paths of bundled gems (@tiegz, [#1360](https://github.com/rubygems/bundler/issues/1360))
  - load rubygems plugins in the bundle binary (@tpope, [#1364](https://github.com/rubygems/bundler/issues/1364))
  - make `--standalone` respect `--path` (@cowboyd, [#1361](https://github.com/rubygems/bundler/issues/1361))

## Bug fixes:

  - Fix `clean` to handle nested gems in a git repo ([#1329](https://github.com/rubygems/bundler/issues/1329))
  - Fix conflict from revert of benchmark tool (@boffbowsh, [#1355](https://github.com/rubygems/bundler/issues/1355))
  - Fix fatal error when unable to connect to gem source ([#1269](https://github.com/rubygems/bundler/issues/1269))
  - Fix `outdated` to find pre-release gems that are installed. ([#1359](https://github.com/rubygems/bundler/issues/1359))
  - Fix color for ui. ([#1374](https://github.com/rubygems/bundler/issues/1374))
  - Fix installing to user-owned system gems on OS X
  - Fix caching issue in the resolver ([#1353](https://github.com/rubygems/bundler/issues/1353), [#1421](https://github.com/bundler/bundler/issues/1421))
  - Fix :github DSL option

# 1.1.pre.8 (August 13, 2011)

## Bug fixes:

  - Fix `bundle check` to not print fatal error message (@cldwalker, [#1347](https://github.com/rubygems/bundler/issues/1347))
  - Fix require_sudo when Gem.bindir isn't writeable ([#1352](https://github.com/rubygems/bundler/issues/1352))
  - Fix not asking Gemcutter API for dependency chain of git gems in --deployment ([#1254](https://github.com/rubygems/bundler/issues/1254))
  - Fix `install --binstubs` when using --path ([#1332](https://github.com/rubygems/bundler/issues/1332))

# 1.1.pre.7 (August 8, 2011)

## Bug fixes:

  - Fixed invalid byte sequence error while installing gem on Ruby 1.9 ([#1341](https://github.com/rubygems/bundler/issues/1341))
  - Fixed exception when sudo was needed to install gems (@spastorino)

# 1.1.pre.6 (August 8, 2011)

## Bug fixes:

  - Fix cross repository dependencies ([#1138](https://github.com/rubygems/bundler/issues/1138))
  - Fix git dependency fetching from API endpoint ([#1254](https://github.com/rubygems/bundler/issues/1254))
  - Fixes for bundle outdated (@joelmoss, [#1238](https://github.com/rubygems/bundler/issues/1238))
  - Fix bundle standalone when using the endpoint ([#1240](https://github.com/rubygems/bundler/issues/1240))

## Features:

  - Implement `to_ary` to avoid calls to method_missing (@tenderlove, [#1274](https://github.com/rubygems/bundler/issues/1274))
  - bundle clean removes old .gem files (@cldwalker, [#1293](https://github.com/rubygems/bundler/issues/1293))
  - Correctly identify missing child dependency in error message
  - Run pre-install, post-build, and post-install gem hooks for git gems (@warhammerkid, [#1120](https://github.com/rubygems/bundler/issues/1120))
  - create Gemfile.lock for empty Gemfile ([#1218](https://github.com/rubygems/bundler/issues/1218))

# 1.1.pre.5 (June 11, 2011)

## Bug fixes:

  - Fix LazySpecification on Ruby 1.9 (@dpiddy, [#1232](https://github.com/rubygems/bundler/issues/1232))
  - Fix HTTP proxy support (@leobessa, [#878](https://github.com/rubygems/bundler/issues/878))

## Features:

  - Speed up `install --deployment` by using the API endpoint
  - Support Basic HTTP Auth for the API endpoint (@dpiddy, [#1229](https://github.com/rubygems/bundler/issues/1229))
  - Add `install --full-index` to disable the API endpoint, just in case
  - Significantly speed up install by removing unneeded gemspec fetches
  - `outdated` command shows outdated gems (@joelmoss, [#1130](https://github.com/rubygems/bundler/issues/1130))
  - Print gem post install messages (@csquared, [#1155](https://github.com/rubygems/bundler/issues/1155))
  - Reduce memory use by removing Specification.new inside method_missing (@tenderlove, [#1222](https://github.com/rubygems/bundler/issues/1222))
  - Allow `check --path`

# 1.1.pre.4 (May 5, 2011)

## Bug fixes:

  - Fix bug that could prevent installing new gems

# 1.1.pre.3 (May 4, 2011)

## Features:

  - Add `bundle outdated` to show outdated gems (@joelmoss)
  - Remove BUNDLE_* from `Bundler.with_clean_env` (@wuputah)
  - Add Bundler.clean_system, and clean_exec (@wuputah)
  - Use git config for gem author name and email (@krekoten)

## Bug fixes:

  - Fix error calling Bundler.rubygems.gem_path
  - Fix error when Gem.path returns Gem::FS instead of String

# 1.1.pre.2 (April 28, 2011)

## Features:

  - Add :github option to Gemfile DSL for easy git repos
  - Merge all fixes from 1.0.12 and 1.0.13

# 1.1.pre.1 (February 2, 2011)

## Bug fixes:

  - Compatibility with changes made by Rubygems 1.5

# 1.1.pre (January 21, 2011)

## Features:

  - Add bundle clean. Removes unused gems from --path directory
  - Initial Gemcutter Endpoint API work, BAI Fetching source index
  - Added bundle install --standalone
  - Ignore Gemfile.lock when building new gems
  - Make it possible to override a .gemspec dependency's source in the
    Gemfile

## Breaking changes:

  - Removed bundle lock
  - Removed bundle install <path>
  - Removed bundle install --production
  - Removed bundle install --disable-shared-gems

# 1.0.21 (September 30, 2011)

  No changes.

# 1.0.21.rc (September 29, 2011)

## Bug fixes:

  - Load Psych unless Syck is defined, because 1.9.2 defines YAML

# 1.0.20 (September 27, 2011)

## Features:

  - Add platform :maglev (@timfel, [#1444](https://github.com/rubygems/bundler/issues/1444))

## Bug fixes:

  - Ensure YAML is required even if Psych is found
  - Handle directory names that contain invalid regex characters

# 1.0.20.rc (September 18, 2011)

## Features:

  - Rescue interrupts to `bundle` while loading bundler.rb ([#1395](https://github.com/rubygems/bundler/issues/1395))
  - Allow clearing without groups by passing `--without ''` ([#1259](https://github.com/rubygems/bundler/issues/1259))

## Bug fixes:

  - Manually sort requirements in the lockfile ([#1375](https://github.com/rubygems/bundler/issues/1375))
  - Remove several warnings generated by ruby -w (@stephencelis)
  - Handle trailing slashes on names passed to `gem` ([#1372](https://github.com/rubygems/bundler/issues/1372))
  - Name modules for gems like 'test-foo_bar' correctly ([#1303](https://github.com/rubygems/bundler/issues/1303))
  - Don't require Psych if Syck is already loaded ([#1239](https://github.com/rubygems/bundler/issues/1239))

# 1.0.19.rc (September 13, 2011)

## Features:

  - Compatibility with Rubygems 1.8.10 installer changes
  - Report gem installation failures clearly (@rwilcox, [#1380](https://github.com/rubygems/bundler/issues/1380))
  - Useful error for cap and vlad on first deploy (@nexmat, @kirs)

## Bug fixes:

  - `exec` now works when the command contains 'exec'
  - Only touch lock after changes on Windows (@robertwahler, [#1358](https://github.com/rubygems/bundler/issues/1358))
  - Keep load paths when #setup is called multiple times (@radsaq, [#1379](https://github.com/rubygems/bundler/issues/1379))

# 1.0.18 (August 16, 2011)

## Bug fixes:

  - Fix typo in DEBUG_RESOLVER (@geemus)
  - Fixes rake 0.9.x warning (@mtylty, [#1333](https://github.com/rubygems/bundler/issues/1333))
  - Fix `bundle cache` again for rubygems 1.3.x

## Features:

  - Run the bundle install earlier in a Capistrano deployment (@cgriego, [#1300](https://github.com/rubygems/bundler/issues/1300))
  - Support hidden gemspec (@trans, @cldwalker, [#827](https://github.com/rubygems/bundler/issues/827))
  - Make fetch_specs faster (@zeha, [#1294](https://github.com/rubygems/bundler/issues/1294))
  - Allow overriding development deps loaded by #gemspec (@lgierth, [#1245](https://github.com/rubygems/bundler/issues/1245))

# 1.0.17 (August 8, 2011)

## Bug fixes:

  - Fix rake issues with rubygems 1.3.x ([#1342](https://github.com/rubygems/bundler/issues/1342))
  - Fixed invalid byte sequence error while installing gem on Ruby 1.9 ([#1341](https://github.com/rubygems/bundler/issues/1341))

# 1.0.16 (August 8, 2011)

## Features:

  - Performance fix for MRI 1.9 (@efficientcloud, [#1288](https://github.com/rubygems/bundler/issues/1288))
  - Shortcuts (like `bundle i`) for all commands (@amatsuda)
  - Correctly identify missing child dependency in error message

## Bug fixes:

  - Allow Windows network share paths with forward slashes (@mtscout6, [#1253](https://github.com/rubygems/bundler/issues/1253))
  - Check for rubygems.org credentials so `rake release` doesn't hang ([#980](https://github.com/rubygems/bundler/issues/980))
  - Find cached prerelease gems on rubygems 1.3.x (@dburt, [#1202](https://github.com/rubygems/bundler/issues/1202))
  - Fix `bundle install --without` on kiji (@tmm1, [#1287](https://github.com/rubygems/bundler/issues/1287))
  - Get rid of warning in ruby 1.9.3 (@smartinez87, [#1231](https://github.com/rubygems/bundler/issues/1231))

## Documentation:

  - Documentation for `gem ..., :require => false` (@kmayer, [#1292](https://github.com/rubygems/bundler/issues/1292))
  - Gems provide "executables", they are rarely also binaries (@fxn, [#1242](https://github.com/rubygems/bundler/issues/1242))

# 1.0.15 (June 9, 2011)

## Features:

  - Improved Rubygems integration, removed many deprecation notices

## Bug fixes:

  - Escape URL arguments to git correctly on Windows (1.0.14 regression)

# 1.0.14 (May 27, 2011)

## Features:

  - Rubinius platform :rbx (@rkbodenner)
  - Include gem rake tasks with "require 'bundler/gem_tasks" (@indirect)
  - Include user name and email from git config in new gemspec (@ognevsky)

## Bug fixes:

  - Set file permissions after checking out git repos (@tissak)
  - Remove deprecated call to Gem::SourceIndex#all_gems (@mpj)
  - Require the version file in new gemspecs (@rubiii)
  - Allow relative paths from the Gemfile in gems with no gemspec (@mbirk)
  - Install gems that contain 'bundler', e.g. guard-bundler (@hone)
  - Display installed path correctly on Windows (@tadman)
  - Escape quotes in git URIs (@mheffner)
  - Improve Rake 0.9 support (@quix)
  - Handle certain directories already existing (@raggi)
  - Escape filenames containing regex characters (@indirect)

# 1.0.13 (May 4, 2011)

## Features:

  - Compatibility with Rubygems master (soon to be v1.8) (@evanphx)
  - Informative error when --path points to a broken symlink
  - Support Rake 0.9 and greater (@e2)
  - Output full errors for non-TTYs e.g. pow (@josh)

## Bug fixes:

  - Allow spaces in gem path names for gem tasks (@rslifka)
  - Have cap run bundle install from release_path (@martinjagusch)
  - Quote git refspec so zsh doesn't expand it (@goneflyin)

# 1.0.12 (April 8, 2011)

## Features:

  - Add --no-deployment option to `install` for disabling it on dev machines
  - Better error message when git fails and cache is present (@parndt)
  - Honor :bundle_cmd in cap `rake` command (@voidlock, @cgriego)

## Bug fixes:

  - Compatibility with Rubygems 1.7 and Rails 2.3 and vendored gems (@evanphx)
  - Fix changing gem order in lock (@gucki)
  - Remove color escape sequences when displaying man pages (@bgreenlee)
  - Fix creating GEM_HOME on both JRuby 1.5 and 1.6 (@nickseiger)
  - Fix gems without a gemspec and directories in bin/ (@epall)
  - Fix --no-prune option for `bundle install` (@cmeiklejohn)

# 1.0.11 (April 1, 2011)

## Features:

  - Compatibility with Rubygems 1.6 and 1.7
  - Better error messages when a git command fails

## Bug fixes:

  - Don't always update gemspec gems (@carllerche)
  - Remove ivar warnings (@jackdempsey)
  - Fix occasional git failures in zsh (@jonah-carbonfive)
  - Consistent lock for gems with double deps like Cap (@akahn)

# 1.0.10 (February 1, 2011)

## Bug fixes:

  - Fix a regression loading YAML gemspecs from :git and :path gems
  - Requires, namespaces, etc. to work with changes in Rubygems 1.5

# 1.0.9 (January 19, 2011)

## Bug fixes:

  - Fix a bug where Bundler.require could remove gems from the load
    path. In Rails apps with a default application.rb, this removed
    all gems in groups other than :default and Rails.env

# 1.0.8 (January 18, 2011)

## Features:

  - Allow overriding gemspec() deps with :git deps
  - Add --local option to `bundle update`
  - Ignore Gemfile.lock in newly generated gems
  - Use `less` as help pager instead of `more`
  - Run `bundle exec rake` instead of `rake` in Capistrano tasks

## Bug fixes:

  - Fix --no-cache option for `bundle install`
  - Allow Vlad deploys to work without Capistrano gem installed
  - Fix group arguments to `bundle console`
  - Allow groups to be loaded even if other groups were loaded
  - Evaluate gemspec() gemspecs in their directory not the cwd
  - Count on Rake to chdir to the right place in GemHelper
  - Change Pathnames to Strings for MacRuby
  - Check git process exit status correctly
  - Fix some warnings in 1.9.3-trunk (thanks tenderlove)

# 1.0.7 (November 17, 2010)

## Bug fixes:

  - Remove Bundler version from the lockfile because it broke
    backwards compatibility with 1.0.0-1.0.5. Sorry. :(

# 1.0.6 (November 16, 2010)

## Bug fixes:

  - Fix regression in `update` that caused long/wrong results
  - Allow git gems on other platforms while installing ([#579](https://github.com/rubygems/bundler/issues/579))

## Features:

  - Speed up `install` command using various optimizations
  - Significantly increase performance of resolver
  - Use upcoming Rubygems performance improvements (@tmm1)
  - Warn if the lockfile was generated by a newer version
  - Set generated gems' homepage to "", so Rubygems will warn

# 1.0.5 (November 13, 2010)

## Bug fixes:

  - Fix regression disabling all operations that employ sudo

# 1.0.4 (November 12, 2010)

## Bug fixes:

  - Expand relative :paths from Bundler.root (eg ./foogem)
  - Allow git gems in --without groups while --frozen
  - Allow gem :ref to be a symbol as well as a string
  - Fix exception when Gemfile needs a newer Bundler version
  - Explanation when the current Bundler version conflicts
  - Explicit error message if Gemfile needs newer Bundler
  - Ignore an empty string BUNDLE_GEMFILE
  - Skeleton gemspec now works with older versions of git
  - Fix shell quoting and ref fetching in GemHelper
  - Disable colored output in --deployment
  - Preserve line endings in lock file

## Features:

  - Add support for 'mingw32' platform (aka RubyInstaller)
  - Large speed increase when Gemfile.lock is already present
  - Huge speed increase when many (100+) system gems are present
  - Significant expansion of ISSUES, man pages, and docs site
  - Remove Open3 from GemHelper (now it works on Windows™®©)
  - Allow setting roles in built-in cap and vlad tasks

# 1.0.3 (October 15, 2010)

## Bug fixes:

  - Use bitwise or in #hash to reduce the chance of overflow
  - `bundle update` now works with :git + :tag updates
  - Record relative :path options in the Gemfile.lock
  - :groups option on gem method in Gemfile now works
  - Add #platform method and :platform option to Gemfile DSL
  - --without now accepts a quoted, space-separated list
  - Installing after --deployment with no lock is now possible
  - Binstubs can now be symlinked
  - Print warning if cache for --local install is missing gems
  - Improve output when installing to a path
  - The tests all pass! Yay!

# 1.0.2 (October 2, 2010)

## Bug fixes:

  - Actually include the man pages in the gem, so help works

# 1.0.1 (October 1, 2010)

## Features:

  - Vlad deployment recipe, `require 'bundler/vlad'`
  - Prettier bundle graphs
  - Improved gem skeleton for `bundle gem`
  - Prompt on file clashes when generating a gem
  - Option to generate binary with gem skeleton
  - Allow subclassing of GemHelper for custom tasks
  - Chdir to gem directory during `bundle open`

## Bug fixes:

  - Allow gemspec requirements with a list of versions
  - Accept lockfiles with windows line endings
  - Respect BUNDLE_WITHOUT env var
  - Allow `gem "foo", :platform => :jruby`
  - Specify loaded_from path in fake gemspec
  - Flesh out gem_helper tasks, raise errors correctly
  - Respect RBConfig::CONFIG['ruby_install_name'] in binstubs

# 1.0.0 (August 29, 2010)

## Features:

  - You can now define `:bundle_cmd` in the capistrano task

## Bug fixes:

  - Various bugfixes to the built-in rake helpers
  - Fix a bug where shortrefs weren't unique enough and were
    therefore colliding
  - Fix a small bug involving checking whether a local git
    clone is up to date
  - Correctly handle explicit '=' dependencies with gems
    pinned to a git source
  - Fix an issue with Windows-generated lockfiles by reading
    and writing the lockfile in binary mode
  - Fix an issue with shelling out to git in Windows by
    using double quotes around paths
  - Detect new Rubygems sources in the Gemfile and update
    the lockfile

# 1.0.0.rc.6 (August 23, 2010)

## Features:

  - Much better documentation for most of the commands and Gemfile
    format

## Bug fixes:

  - Don't attempt to create directories if they already exist
  - Fix the capistrano task so that it actually runs
  - Update the Gemfile template to reference rubygems.org instead
    of :gemcutter
  - bundle exec should exit with a non zero exit code when the gem
    binary does not exist or the file is not executable.
  - Expand paths in Gemfile relative to the Gemfile and not the current
    working directory.

# 1.0.0.rc.5 (August 10, 2010)

## Features:

  - Make the Capistrano task more concise.

## Bug fixes:

  - Fix a regression with determining whether or not to use sudo
  - Allow using the --gemfile flag with the --deployment flag

# 1.0.0.rc.4 (August 9, 2010)

## Features:

  - `bundle gem NAME` command to generate a new gem with Gemfile
  - Bundle config file location can be specified by BUNDLE_APP_CONFIG
  - Add --frozen to disable updating the Gemfile.lock at runtime
    (default with --deployment)
  - Basic Capistrano task now added as 'bundler/capistrano'

## Bug fixes:

  - Multiple bundler process no longer share a tmp directory
  - `bundle update GEM` always updates dependencies of GEM as well
  - Deleting the cache directory no longer causes errors
  - Moving the bundle after installation no longer causes git errors
  - Bundle path is now correctly remembered on a read-only filesystem
  - Gem binaries are installed to Gem.bindir, not #{Gem.dir}/bin
  - Fetch gems from vendor/cache, even without --local
  - Sort lockfile by platform as well as spec

# 1.0.0.rc.3 (August 3, 2010)

## Features:

  - Deprecate --production flag for --deployment, since the former
    was causing confusion with the :production group
  - Add --gemfile option to `bundle check`
  - Reduce memory usage of `bundle install` by 2-4x
  - Improve message from `bundle check` under various conditions
  - Better error when a changed Gemfile conflicts with Gemfile.lock

## Bug fixes:

  - Create bin/ directory if it is missing, then install binstubs
  - Error nicely on the edge case of a pinned gem with no spec
  - Do not require gems for other platforms
  - Update git sources along with the gems they contain

# 1.0.0.rc.2 (July 29, 2010)

  - `bundle install path` was causing confusion, so we now print
    a clarifying warning. The preferred way to install to a path
    (which will not print the warning) is
    `bundle install --path path/to/install`.
  - `bundle install --system` installs to the default system
    location ($BUNDLE_PATH or $GEM_HOME) even if you previously
    used `bundle install --path`
  - completely remove `--disable-shared-gems`. If you install to
    system, you will not be isolated, while if you install to
    another path, you will be isolated from gems installed to
    the system. This was mostly an internal option whose naming
    and semantics were extremely confusing.
  - Add a `--production` option to `bundle install`:
    - by default, installs to `vendor/bundle`. This can be
      overridden with the `--path` option
    - uses `--local` if `vendor/cache` is found. This will
      guarantee that Bundler does not attempt to connect to
      Rubygems and will use the gems cached in `vendor/cache`
      instead
    - Raises an exception if a Gemfile.lock is not found
    - Raises an exception if you modify your Gemfile in development
      but do not check in an updated Gemfile.lock
  - Fixes a bug where switching a source from Rubygems to git
    would always say "the git source is not checked out" when
    running `bundle install`

  NOTE: We received several reports of "the git source has not
  been checked out. Please run bundle install". As far as we
  can tell, these problems have two possible causes:

  1. `bundle install ~/.bundle` in one user, but actually running
     the application as another user. Never install gems to a
     directory scoped to a user (`~` or `$HOME`) in deployment.
  2. A bug that happened when changing a gem to a git source.

  To mitigate several common causes of `(1)`, please use the
  new `--production` flag. This flag is simply a roll-up of
  the best practices we have been encouraging people to use
  for deployment.

  If you want to share gems across deployments, and you use
  Capistrano, symlink release_path/current/vendor/bundle to
  release_path/shared/bundle. This will keep deployments
  snappy while maintaining the benefits of clean, deploy-time
  isolation.

# 1.0.0.rc.1 (July 26, 2010)

  - Fixed a bug with `bundle install` on multiple machines and git

# 1.0.0.beta.10 (July 25, 2010)

  - Last release before 1.0.0.rc.1
  - Added :mri as a valid platform (platforms :mri { gem "ruby-debug" })
  - Fix `bundle install` immediately after modifying the :submodule option
  - Don't write to Gemfile.lock if nothing has changed, fixing situations
    where bundle install was run with a different user than the app
    itself
  - Fix a bug where other platforms were being wiped on `bundle update`
  - Don't ask for root password on `bundle install` if not needed
  - Avoid setting `$GEM_HOME` where not needed
  - First solid pass of `bundle config`
  - Add build options
    - `bundle config build.mysql --with-mysql-config=/path/to/config`

# 1.0.0.beta.9 (July 21, 2010)

  - Fix install failure when switching from a path to git source
  - Fix `bundle exec bundle *` in a bundle with --disable-shared-gems
  - Fix `bundle *` from inside a bundle with --disable-shared-gem
  - Shim Gem.refresh. This is used by Unicorn
  - Fix install failure when a path's dependencies changed

# 1.0.0.beta.8 (July 20, 2010)

  - Fix a Beta 7 bug involving Ruby 1.9

# 1.0.0.beta.7 (July 20, 2010, yanked)

  - Running `bundle install` twice in a row with a git source always crashed

# 1.0.0.beta.6 (July 20, 2010, yanked)

  - Create executables with bundle install --binstubs
  - You can customize the location (default is app/bin) with --binstubs other/location
  - Fix a bug where the Gemfile.lock would be deleted even if the update was exited
  - Fix a bug where cached gems for other platforms were sometimes deleted
  - Clean up output when nothing was deleted from cache (it previously said
    "Removing outdated gems ...")
  - Improve performance of bundle install if the git gem was already checked out,
    and the revision being used already exists locally
  - Fix bundle show bundler in some cases
  - Fix bugs with bundle update
  - Don't ever run git commands at runtime (fixes a number of common passenger issues)
  - Fixes an obscure bug where switching the source of a gem could fail to correctly
    change the source of its dependencies
  - Support multiple version dependencies in the Gemfile
    (`gem "rails", ">= 3.0.0.beta1", "<= 3.0.0"`)
  - Raise an exception for ambiguous uses of multiple declarations of the same gem
    (for instance, with different versions or sources).
  - Fix cases where the same dependency appeared several times in the Gemfile.lock
  - Fix a bug where require errors were being swallowed during Bundler.require

# 1.0.0.beta.1

  - No `bundle lock` command. Locking happens automatically on install or update
  - No .bundle/environment.rb. Require 'bundler/setup' instead.
  - $BUNDLE_HOME defaults to $GEM_HOME instead of ~/.bundle
  - Remove lockfiles generated by 0.9

# 0.9.26

## Features:

  - error nicely on incompatible 0.10 lockfiles

# 0.9.25 (May 3, 2010)

## Bug fixes:

  - explicitly coerce Pathname objects to Strings for Ruby 1.9
  - fix some newline weirdness in output from install command

# 0.9.24 (April 22, 2010)

## Features:

  - fetch submodules for git sources
  - limit the bundled version of bundler to the same as the one installing
  - force relative paths in git gemspecs to avoid raising Gem::NameTooLong
  - serialize GemCache sources correctly, so locking works
  - raise Bundler::GemNotFound instead of calling exit! inside library code
  - Rubygems 1.3.5 compatibility for the adventurous, not supported by me :)

## Bug fixes:

  - don't try to regenerate environment.rb if it is read-only
  - prune outdated gems with the platform "ruby"
  - prune cache without errors when there are directories or non-gem files
  - don't re-write environment.rb if running after it has been loaded
  - do not monkeypatch Specification#load_paths twice when inside a bundle

# 0.9.23 (April 20, 2010)

## Bug fixes:

  - cache command no longer prunes gems created by an older rubygems version
  - cache command no longer prunes gems that are for other platforms

# 0.9.22 (April 20, 2010)

## Features:

  - cache command now prunes stale .gem files from vendor/cache
  - init --gemspec command now generates development dependencies
  - handle Polyglot's changes to Kernel#require with Bundler::ENV_LOADED ([#287](https://github.com/rubygems/bundler/issues/287))
  - remove .gem files generated after installing a gem from a :path ([#286](https://github.com/rubygems/bundler/issues/286))
  - improve install/lock messaging ([#284](https://github.com/rubygems/bundler/issues/284))

## Bug fixes:

  - ignore cached gems that are for another platform ([#288](https://github.com/rubygems/bundler/issues/288))
  - install Windows gems that have no architecture set, like rcov ([#277](https://github.com/rubygems/bundler/issues/277))
  - exec command while locked now includes the bundler lib in $LOAD_PATH ([#293](https://github.com/rubygems/bundler/issues/293))
  - fix the `rake install` task
  - add GemspecError so it can be raised without (further) error ([#292](https://github.com/rubygems/bundler/issues/292))
  - create a parent directory before cloning for git 1.5 compatibility ([#285](https://github.com/rubygems/bundler/issues/285))

# 0.9.21 (April 16, 2010)

## Bug fixes:

  - don't raise 'omg wtf' when lockfile is outdated

# 0.9.20 (April 15, 2010)

## Features:

  - load YAML format gemspecs
  - no backtraces when calling Bundler.setup if gems are missing
  - no backtraces when trying to exec a file without the executable bit

## Bug fixes:

  - fix infinite recursion in Bundler.setup after loading a bundled Bundler gem
  - request install instead of lock when env.rb is out of sync with Gemfile.lock

# 0.9.19 (April 12, 2010)

## Features:

  - suggest `bundle install --relock` when the Gemfile has changed ([#272](https://github.com/rubygems/bundler/issues/272))
  - source support for Rubygems servers without prerelease gem indexes ([#262](https://github.com/rubygems/bundler/issues/262))

## Bug fixes:

  - don't set up all groups every time Bundler.setup is called while locked ([#263](https://github.com/rubygems/bundler/issues/263))
  - fix #full_gem_path for git gems while locked ([#268](https://github.com/rubygems/bundler/issues/268))
  - eval gemspecs at the top level, not inside the Bundler class ([#269](https://github.com/rubygems/bundler/issues/269))


# 0.9.18 (April 8, 2010)

## Features:

  - console command that runs irb with bundle (and optional group) already loaded

## Bug fixes:

  - Bundler.setup now fully disables system gems, even when unlocked ([#266](https://github.com/rubygems/bundler/issues/266), [#246](https://github.com/bundler/bundler/issues/246))
    - fixes Yard, which found plugins in Gem.source_index that it could not load
    - makes behaviour of `Bundler.require` consistent between locked and unlocked loads

# 0.9.17 (April 7, 2010)

## Features:

  - Bundler.require now calls Bundler.setup automatically
  - Gem::Specification#add_bundler_dependencies added for gemspecs

## Bug fixes:

  - Gem paths are not longer duplicated while loading bundler
  - exec no longer duplicates RUBYOPT if it is already set correctly

# 0.9.16 (April 3, 2010)

## Features:

  - exit gracefully on INT signal
  - resolver output now indicates whether remote sources were checked
  - print error instead of backtrace when exec cannot find a binary ([#241](https://github.com/rubygems/bundler/issues/241))

## Bug fixes:

  - show, check, and open commands work again while locked (oops)
  - show command for git gems
    - outputs branch names other than master
    - gets the correct sha from the checkout
    - doesn't print sha twice if :ref is set
  - report errors from bundler/setup.rb without backtraces ([#243](https://github.com/rubygems/bundler/issues/243))
  - fix Gem::Spec#git_version to not error on unloaded specs
  - improve deprecation, Gemfile, and command error messages ([#242](https://github.com/rubygems/bundler/issues/242))

# 0.9.15 (April 1, 2010)

## Features:

  - use the env_file if possible instead of doing a runtime resolve
     - huge speedup when calling Bundler.setup while locked
     - ensures bundle exec is fast while locked
     - regenerates env_file if it was generated by an older version
  - update cached/packed gems when you update gems via bundle install

## Bug fixes:

  - prep for Rubygems 1.3.7 changes
  - install command now pulls git branches correctly ([#211](https://github.com/rubygems/bundler/issues/211))
  - raise errors on invalid options in the Gemfile

# 0.9.14 (March 30, 2010)

## Features:

  - install command output vastly improved
    - installation message now accurate, with 'using' and 'installing'
    - bundler gems no longer listed as 'system gems'
  - show command output now includes sha and branch name for git gems
  - init command now takes --gemspec option for bootstrapping gem Gemfiles
  - Bundler.with_clean_env for shelling out to ruby scripts
  - show command now aliased as 'list'
  - VISUAL env var respected for GUI editors

## Bug fixes:

  - exec command now finds binaries from gems with no gemspec
  - note source of Gemfile resolver errors
  - don't blow up if git urls are changed

# 0.9.13 (March 23, 2010)

## Bug fixes:

  - exec command now finds binaries from gems installed via :path
  - gem dependencies are pulled in even if their type is nil
  - paths with spaces have double-quotes to work on Windows
  - set GEM_PATH in environment.rb so generators work with Rails 2

# 0.9.12 (March 17, 2010)

  - refactoring, internal cleanup, more solid specs

## Features:

  - check command takes a --without option
  - check command exits 1 if the check fails

## Bug fixes:

  - perform a topological sort on resolved gems ([#191](https://github.com/rubygems/bundler/issues/191))
  - gems from git work even when paths or repos have spaces ([#196](https://github.com/rubygems/bundler/issues/196))
  - Specification#loaded_from returns a String, like Gem::Specification ([#197](https://github.com/rubygems/bundler/issues/197))
  - specs eval from inside the gem directory, even when locked
  - virtual gemspecs are now saved in environment.rb for use when loading
  - unify the Installer's local index and the runtime index ([#204](https://github.com/rubygems/bundler/issues/204))

# 0.9.11 (March 9, 2010)

  - added roadmap with future development plans

## Features:

  - install command can take the path to the gemfile with --gemfile ([#125](https://github.com/rubygems/bundler/issues/125))
  - unknown command line options are now rejected ([#163](https://github.com/rubygems/bundler/issues/163))
  - exec command hugely sped up while locked ([#177](https://github.com/rubygems/bundler/issues/177))
  - show command prints the install path if you pass it a gem name ([#148](https://github.com/rubygems/bundler/issues/148))
  - open command edits an installed gem with $EDITOR ([#148](https://github.com/rubygems/bundler/issues/148))
  - Gemfile allows assigning an array of groups to a gem ([#114](https://github.com/rubygems/bundler/issues/114))
  - Gemfile allows :tag option on :git sources
  - improve backtraces when a gemspec is invalid
  - improve performance by installing gems from the cache if present

## Bug fixes:

  - normalize parameters to Bundler.require ([#153](https://github.com/rubygems/bundler/issues/153))
  - check now checks installed gems rather than cached gems ([#162](https://github.com/rubygems/bundler/issues/162))
  - don't update the gem index when installing after locking ([#169](https://github.com/rubygems/bundler/issues/169))
  - bundle parenthesises arguments for 1.8.6 ([#179](https://github.com/rubygems/bundler/issues/179))
  - gems can now be assigned to multiple groups without problems ([#135](https://github.com/rubygems/bundler/issues/135))
  - fix the warning when building extensions for a gem from git with Rubygems 1.3.6
  - fix a Dependency.to_yaml error due to accidentally including sources and groups
  - don't reinstall packed gems
  - fix gems with git sources that are private repositories

# 0.9.10 (March 1, 2010)

  - depends on Rubygems 1.3.6

## Bug fixes:

  - support locking after install --without
  - don't reinstall gems from the cache if they're already in the bundle
  - fixes for Ruby 1.8.7 and 1.9

# 0.9.9 (February 25, 2010)

## Bug fixes:

  - don't die if GEM_HOME is an empty string
  - fixes for Ruby 1.8.6 and 1.9

# 0.9.8 (February 23, 2010)

## Features:

  - pack command which both caches and locks
  - descriptive error if a cached gem is missing
  - remember the --without option after installing
  - expand paths given in the Gemfile via the :path option
  - add block syntax to the git and group options in the Gemfile
  - support gems with extensions that don't admit they depend on rake
  - generate gems using gem build gemspec so git gems can have native extensions
  - print a useful warning if building a gem fails
  - allow manual configuration via BUNDLE_PATH

## Bug fixes:

  - eval gemspecs in the gem directory so relative paths work
  - make default spec for git sources valid
  - don't reinstall gems that are already packed

# 0.9.7 (February 17, 2010)

## Bug fixes:

  - don't say that a gem from an excluded group is "installing"
  - improve crippling rubygems in locked scenarios

# 0.9.6 (February 16, 2010)

## Features:

  - allow String group names
  - a number of improvements in the documentation and error messages

## Bug fixes:

  - set SourceIndex#spec_dirs to solve a problem involving Rails 2.3 in unlocked mode
  - ensure Rubygems is fully loaded in Ruby 1.9 before patching it
  - fix `bundle install` for a locked app without a .bundle directory
  - require gems in the order that the resolver determines
  - make the tests platform agnostic so we can confirm that they're green on JRuby
  - fixes for Ruby 1.9

# 0.9.5 (February 12, 2010)

## Features:

  - added support for :path => "relative/path"
  - added support for older versions of git
  - added `bundle install --disable-shared-gems`
  - Bundler.require fails silently if a library does not have a file on the load path with its name
  - Basic support for multiple rubies by namespacing the default bundle path using the version and engine

## Bug fixes:

  - if the bundle is locked and .bundle/environment.rb is not present when Bundler.setup is called, generate it
  - same if it's not present with `bundle check`
  - same if it's not present with `bundle install`