Upgrade guide for RubyGems/Bundler 4 #245
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Pull request overview
This PR introduces a comprehensive upgrade guide for RubyGems/Bundler 4, documenting breaking changes and providing migration instructions for users upgrading from earlier versions. The guide is being prepared as a blog post dated December 3, 2025, and includes updates to the project's Ruby and Bundler versions.
Key Changes
- Adds detailed documentation of breaking changes in RubyGems 4 (CLI and API changes)
- Documents Bundler 4 breaking changes across CLI, Gemfile/lockfile, cache, and API behaviors
- Updates Ruby version from 3.4.1 to 3.4.7 and Bundler version to 4.0.0.beta2
- Updates multiple gem dependencies to newer versions
Reviewed changes
Copilot reviewed 2 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
_posts/2025-12-03-upgrade-to-rubygems-bundler-4.md |
New comprehensive upgrade guide documenting breaking changes and migration paths for RubyGems/Bundler 4 |
Gemfile.lock |
Updates gem dependencies and upgrades Ruby version to 3.4.7 and Bundler to 4.0.0.beta2 |
.ruby-version |
Updates Ruby version specification from 3.4.1 to 3.4.7 |
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Co-authored-by: Copilot <[email protected]>
Co-authored-by: Copilot <[email protected]>
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from rubygems/guides#404