Hi, it’s Claudio Baccigalupo. Let’s explore this week’s changes in the Rails codebase.

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Rails

Weekly roundup of Rails codebase changes for the week of March 6, 2026. Highlights include setting read-only permissions for GitHub Actions workflows generated by rails new, removing load hook guards for action_dispatch_request and action_cable, improving Trix support for Action Text markdown (adding del as strikethrough alias and a visit_div handler), specifying PostgreSQL 9.5+ as a minimum requirement due to array_position usage, fixing an Encoding::CompatibilityError with non-ASCII strict locals defaults, fixing IsolatedExecutionState.share_with when using fiber isolation level, and fixing collection caching to preserve store default expires_in.

This Week in Rails: March 6, 2026