- ActiveSupport::Logger is now fiber‑safe, enabling per‑fiber log levels via Fiber.current.id.
- ActiveRecord receives multiple bug fixes: circular autosave handling, thread‑safe ConnectionPool.connections, correct GROUP BY/ORDER BY in PostgreSQL, sqlite3 collation parsing, and proper attribute assignment for has‑many‑through callba...
- ActionView programmatic click events now trigger Rails UJS handlers; Rails generators use original Bundler environment variables; seed loading can run without ActiveJob and forces async adapters to inline during seeding.
5.2.4
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Active Storage disables libvips unfuzzed image loaders/savers, causing Vips::Error for BMP, ICO, PSD, SVG, JPEG XL, JPEG 2000, Netpbm and other formats – a breaking change for apps using those types
Active Storage disables libvips “unfuzzed” image loaders and savers (e.g., BMP, ICO, PSD, SVG, JPEG‑XL, JPEG‑2000), causing Vips::Error for those formats
Active Storage now disables libvips "unfuzzed" image loaders/savers, raising Vips::Error for BMP, ICO, PSD, SVG, JPEG XL, JPEG 2000, Netpbm, FITS and similar formats – a breaking change for image‑processing applications.