- Extensive bugfixes and performance tweaks across ActiveSupport, ActiveRecord, ActionView, and Railties, addressing migration ordering, connection leaks, attribute method regressions, async job handling, and more.
- Added support for composite primary keys in associations and eager loading, enabled string keys for SQLCommenter, and improved compatibility for ActiveSupport::BroadcastLogger.
- Made compatibility‑breaking changes such as raising errors for unsupported Trilogy prepared statements and reverting Puma's default worker count based on physical CPUs.
7.1.4
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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.