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This Week in Rails

Weekly roundup of changes merged into the Rails codebase. Highlights include: a new add-on tutorial adding a Product Reviews system to the e-commerce sample app, a default #render_in implementation added to ActiveModel::Conversion, a fix to unfreeze NATIVE_DATABASE_TYPES for the SQLite3 adapter (resolving FrozenError for gems like neighbor), improved Mandrill ingress signature handling returning 401 for missing signatures, a start_day argument added to this_week? for consistency with all_week, array syntax support for expression indexes in add_index, an attach! bang method for Active Storage, and a fix for dependent: :purge behavior with has_one_attached/has_many_attached. Rails World 2026 General Admission tickets are now available and the CFP closes this weekend.

This Week in Rails: May 16, 2026