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Endigest AI Core Summary
Safari 26.3 introduces performance and UX improvements including Zstandard compression support, Navigation API enhancements, and various bug fixes.
•Zstandard (Zstd) compression is now supported, offering fast on-the-fly compression for HTML, CSS, JS, JSON, and SVG assets via Content-Encoding: zstd header
•Navigation API now exposes an AbortSignal on NavigateEvent, enabling automatic cancellation of fetch requests and cleanup of resources when navigation is interrupted
•visionOS fullscreen video playback now automatically dims surroundings for better focus
•CSS bug fixes include anchor positioning animation jumps, multi-column widows/text-indent issues, and incorrect CSS cursor rendering
•Safe Browsing fix prevents entire sites from being incorrectly marked unsafe due to Public Suffix List TLD matching
This summary was automatically generated by AI based on the original article and may not be fully accurate.