- Fixed a wide range of bugs across ActiveSupport, ActiveRecord, ActiveStorage, and other components, including time unit reporting, memory store race conditions, connection leaks, MySQL schema dumping issues, and variant handling.
- Added new bundled‑gem candidates for Ruby 3.4 (bigdecimal, drb, mutex_m, base64, racc) and updated related dependencies.
- Improved error reporting in ActionDispatch::Executor and preserved serialized time zone information for ActiveJob.