- ActiveSupport::Cache::MemCacheStore now accepts an explicit nil for its addresses argument, easing migration from :dalli.
- Active Record destroy async jobs are now enqueued only after the DB transaction commits, fixing rollback issues.
- Added Rails console sandbox support for multiple‑database apps and fixed numerous bugs (timestamp type, MySQL packet, connection URL handling, polymorphic queries, etc.).
6.1.2
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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.