Added 4.0.7 release announcement

Author: hsbt

_posts/2026-02-25-4.0.7-released.md

@@ -0,0 +1,74 @@
+---
+title: 4.0.7 Released
+layout: post
+author: Hiroshi SHIBATA
+author_email: hsbt@ruby-lang.org
+---
+
+RubyGems 4.0.7 includes enhancements and documentation and Bundler 4.0.7 includes enhancements, bug fixes and documentation.
+
+To update to the latest RubyGems you can run:
+
+    gem update --system [--pre]
+
+To update to the latest Bundler you can run:
+
+    gem install bundler [--pre]
+    bundle update --bundler=4.0.7
+
+## RubyGems Release Notes
+
+
+### Enhancements:
+
+* Add Gem.disable_system_update_message in setup.rb. Pull request
+  [#9020](https://github.com/ruby/rubygems/pull/9020) by hyuraku
+* Print message when signing in with an existing API key. Pull request
+  [#9312](https://github.com/ruby/rubygems/pull/9312) by hsbt
+* Installs bundler 4.0.7 as a default gem.
+
+### Documentation:
+
+* Document gemspecs must be deterministic. Pull request
+  [#9321](https://github.com/ruby/rubygems/pull/9321) by fxn
+* Remove "##" from a comment to require. Pull request
+  [#9306](https://github.com/ruby/rubygems/pull/9306) by tompng
+
+
+## Bundler Release Notes
+
+
+### Enhancements:
+
+  - Don't check whether a plugin needs to be installed: [#9328](https://github.com/ruby/rubygems/pull/9328)
+  - [rust gem] Major improvements for gem scaffolding (rebased) [#8455](https://github.com/ruby/rubygems/pull/8455)
+  - Fix(bundler): only preload git sources for requested groups [#9234](https://github.com/ruby/rubygems/pull/9234)
+  - Raise error when gem contains capital letters [#5432](https://github.com/ruby/rubygems/pull/5432)
+
+### Bug fixes:
+
+  - Fix Bundler crashing when it tries to install plugin: [#9335](https://github.com/ruby/rubygems/pull/9335)
+  - Run git operations in parallel (take 2): [#9323](https://github.com/ruby/rubygems/pull/9323)
+  - Add support for help flag in plugin commands [#9263](https://github.com/ruby/rubygems/pull/9263)
+
+### Documentation:
+
+  - [DOC] Fix link in Bundler [#9315](https://github.com/ruby/rubygems/pull/9315)
+
+
+## Manual Installation
+
+To install RubyGems by hand see the [Download RubyGems][download] page.
+
+SHA256 Checksums:
+
+* rubygems-4.0.7.tgz  
+  80578da300518eca7abebb4c89ad26e5751ac8a77919f246b4fed67609f919e3
+* rubygems-4.0.7.zip  
+  e6c46b17a7495a8fdeef91de1bf76d225e0ec4f164e6b88ea5f38f43ca531ba8
+* rubygems-update-4.0.7.gem  
+  273c1291b85cd5882b10242e3c8463995164bcb2d37c2a92347ecd04fa5ae99a
+
+
+[download]: https://rubygems.org/pages/download
+