safari

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WebKit Features for Safari 26.6
2 months ago
- Safari 26.6 adds a compileOptions parameter to WebAssembly.compileStreaming() and instantiateStreaming(), enabling the use of JS String Builtins with streaming compilation.
- The release includes eight bug fixes across CSS, networking, service workers, web extensions, and WebRTC.
- CSS fixes address issues with the ic length unit scaling, fixed-position elements with position-area, and CSS zoom interactions on iPad.
- Networking fix resolves an issue with deleting partitioned cookies via WKHTTPCookieStore.
- Service worker fixes ensure automatic unregistration for registrations with missing main or imported scripts.
- Web extension fix prevents accumulation of service worker registration database files on Safari launch.
- WebRTC fix corrects ICE candidate gathering failure with iceTransportPolicy: 'relay' on macOS Sequoia.
- Safari 26.6 is available on iOS 26.6, iPadOS 26.6, visionOS 26.6, macOS Tahoe 26.6, macOS Sequoia, and macOS Sonoma.
Safari Technology Preview 248 Released
2 months ago
- Accessibility fixes include VoiceOver navigation with hidden="until-found" and dynamic aria-labelledby updates.
- CSS improvements cover color component interpolation, progress() no-clamp option, and several bug fixes for selectors, animations, and preloading.
- JavaScript now supports BigInt Math methods like BigInt.pow and BigInt.sqrt.
- Media fixes address control rendering, subtitles in fullscreen, video frame chroma offset, and stream playback issues.
- Rendering fixes include repainting for composited elements, scroll height padding, and drop-shadow updates.
- SVG fixes improve SMIL animations, text paths, length unit conversion, and attribute handling.
- Security patches fix Content Security Policy errors, navigation checks, and parsing issues.
- Web Inspector improvements include private field inspection, breakpoint fixes, color picker accuracy, and cross-origin iframe support.
- WebDriver adds support for Digital Credentials API simulation.
- WebRTC fixes include AudioSession management and deferred configurationchange events.
The Safari MCP server for web developers
3 months ago
- Safari MCP server introduced in Safari Technology Preview 247.
- Enables agents to access browser data (DOM, network requests, screenshots, console logs).
- Speeds up debugging by reducing context switching between browser and terminal.
- Use cases include checking rendering, improving Safari compatibility, analyzing performance, and verifying accessibility.
- Available tools include console messages, network requests, page interactions, screenshots, and JavaScript evaluation.
- Setup requires installing Safari Technology Preview and enabling developer features.
- Local-only operation ensures data privacy and no external network calls.
- Goal is to enhance AI-assisted web development workflows for Safari.

safari

WebKit Features for Safari 26.6

Safari Technology Preview 248 Released

The Safari MCP server for web developers