ruby · hsbt · Nov 26, 2025 · Nov 26, 2025 · Nov 26, 2025 · Nov 26, 2025
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## 4.0.0.beta2 / 2025-11-26
+
+### Deprecations:
+
+* Deprecate comparing Gem::Version objects with strings. Pull request
+  [#9085](https://github.com/ruby/rubygems/pull/9085) by tenderlove
+
+### Enhancements:
+
+* Undeprecate Gem::Version#<=> against strings. Pull request
+  [#9110](https://github.com/ruby/rubygems/pull/9110) by byroot
+* Installs bundler 4.0.0.beta2 as a default gem.
+
+### Bug fixes:
+
+* Respect `BUNDLE_VERSION` config at Gem::BundlerVersionFinder. Pull
+  request [#9106](https://github.com/ruby/rubygems/pull/9106) by hsbt
+
 ## 4.0.0.beta1 / 2025-11-20
 
 ### Security:

diff --git a/Rakefile b/Rakefile
@@ -181,6 +181,7 @@ task :generate_changelog, [:version] => [:install_release_dependencies] do |_t,
   require_relative "tool/release"
 
   Release.for_rubygems(opts[:version]).cut_changelog!
+  Rake::Task["bundler:generate_changelog"].invoke(opts[:version])
 end
 
 desc "Release rubygems-#{v}"
@@ -397,6 +398,7 @@ To update to the latest RubyGems you can run:
 To update to the latest Bundler you can run:
 
     gem install bundler [--pre]
+    bundle update --bundler=#{v}
 
 ## RubyGems Release Notes
 

diff --git a/bundler/CHANGELOG.md b/bundler/CHANGELOG.md
@@ -1,5 +1,26 @@
 # Changelog
 
+## 4.0.0.beta2 (2025-11-26)
+
+### Features:
+
+  - Support bundle install --lockfile option [#9111](https://github.com/ruby/rubygems/pull/9111)
+  - Add support for lockfile in Gemfile and bundle install --no-lock [#9059](https://github.com/ruby/rubygems/pull/9059)
+
+### Performance:
+
+  - Run git operations in parallel to speed things up: [#9100](https://github.com/ruby/rubygems/pull/9100)
+
+### Enhancements:
+
+  - Fixup GH-9085 [#9108](https://github.com/ruby/rubygems/pull/9108)
+  - Add go_gem/rake_task for Go native extension gem skeleton [#9105](https://github.com/ruby/rubygems/pull/9105)
+  - Keep legacy windows platform, not removed them [#9104](https://github.com/ruby/rubygems/pull/9104)
+
+### Bug fixes:
+
+  - Check for file existence before deletion from cache [#9095](https://github.com/ruby/rubygems/pull/9095)
+
 ## 4.0.0.beta1 (2025-11-20)
 
 ### Security:

diff --git a/bundler/lib/bundler/version.rb b/bundler/lib/bundler/version.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 
 module Bundler
-  VERSION = "4.0.0.beta1".freeze
+  VERSION = "4.0.0.beta2".freeze
 
   def self.bundler_major_version
     @bundler_major_version ||= gem_version.segments.first

diff --git a/bundler/spec/realworld/fixtures/tapioca/Gemfile.lock b/bundler/spec/realworld/fixtures/tapioca/Gemfile.lock
@@ -46,4 +46,4 @@ DEPENDENCIES
   tapioca
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/bundler/spec/realworld/fixtures/warbler/Gemfile.lock b/bundler/spec/realworld/fixtures/warbler/Gemfile.lock
@@ -36,4 +36,4 @@ DEPENDENCIES
   warbler!
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/lib/rubygems.rb b/lib/rubygems.rb
@@ -9,7 +9,7 @@
 require "rbconfig"
 
 module Gem
-  VERSION = "4.0.0.beta1"
+  VERSION = "4.0.0.beta2"
 end
 
 require_relative "rubygems/defaults"

diff --git a/tool/bundler/dev_gems.rb.lock b/tool/bundler/dev_gems.rb.lock
@@ -129,4 +129,4 @@ CHECKSUMS
   turbo_tests (2.2.5) sha256=3fa31497d12976d11ccc298add29107b92bda94a90d8a0a5783f06f05102509f
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/tool/bundler/lint_gems.rb.lock b/tool/bundler/lint_gems.rb.lock
@@ -119,4 +119,4 @@ CHECKSUMS
   wmi-lite (1.0.7) sha256=116ef5bb470dbe60f58c2db9047af3064c16245d6562c646bc0d90877e27ddda
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/tool/bundler/release_gems.rb.lock b/tool/bundler/release_gems.rb.lock
@@ -87,4 +87,4 @@ CHECKSUMS
   uri (1.1.1) sha256=379fa58d27ffb1387eaada68c749d1426738bd0f654d812fcc07e7568f5c57c6
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/tool/bundler/rubocop_gems.rb.lock b/tool/bundler/rubocop_gems.rb.lock
@@ -156,4 +156,4 @@ CHECKSUMS
   unicode-emoji (4.1.0) sha256=4997d2d5df1ed4252f4830a9b6e86f932e2013fbff2182a9ce9ccabda4f325a5
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/tool/bundler/standard_gems.rb.lock b/tool/bundler/standard_gems.rb.lock
@@ -176,4 +176,4 @@ CHECKSUMS
   unicode-emoji (4.1.0) sha256=4997d2d5df1ed4252f4830a9b6e86f932e2013fbff2182a9ce9ccabda4f325a5
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/tool/bundler/test_gems.rb.lock b/tool/bundler/test_gems.rb.lock
@@ -100,4 +100,4 @@ CHECKSUMS
   tilt (2.6.1) sha256=35a99bba2adf7c1e362f5b48f9b581cce4edfba98117e34696dde6d308d84770
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2
diff --git a/tool/bundler/vendor_gems.rb.lock b/tool/bundler/vendor_gems.rb.lock
@@ -72,4 +72,4 @@ CHECKSUMS
   uri (1.1.1) sha256=379fa58d27ffb1387eaada68c749d1426738bd0f654d812fcc07e7568f5c57c6
 
 BUNDLED WITH
-  4.0.0.beta1
+  4.0.0.beta2