# Safari Technology Preview 214 Release Notes Learn about the latest web technology updates in Safari Technology Preview: Browser, CSS, JavaScript, Media, Networking, Rendering, Web API, and Web Inspector. ## Overview [Safari Technology Preview](https://webkit.org/blog/6017/introducing-safari-technology-preview/) Release 214 is now [available for download](https://developer.apple.com/safari/resources/) for macOS Sequoia and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes WebKit changes between: [289652@main…290517@main](https://github.com/WebKit/WebKit/compare/c968abdda41af3ad0abbf5c5c2c1fe0d5bb1c016...837aec74d9c8ea88f094c9de12a0a3c936735634). ### Browser #### New Features - Added support for `data:` URL favicons. ([290395@main](https://commits.webkit.org/290395@main)) (143967312) ### CSS #### New Features - Added support for `overflow-block` and `overflow-inline`. ([290109@main](https://commits.webkit.org/290109@main)) (70579028) #### Resolved Issues - Fixed `cursor: pointer` not appearing on an `` element used in conjunction with an `` element. ([290169@main](https://commits.webkit.org/290169@main)) (74483873) - Fixed the behavior of cursor over live text with `user-select: none`. ([289793@main](https://commits.webkit.org/289793@main)) (99708616) - Fixed an issue wrapping an SVG at the end of a line when using `text-wrap: balance`. ([289963@main](https://commits.webkit.org/289963@main)) (141532036) - Fixed the computed value of a float with absolute positioning to be `none` when there is no box. ([290061@main](https://commits.webkit.org/290061@main)) (144045558) - Fixed: Updated `contrast-color()` to remove the `max` parameter. ([290210@main](https://commits.webkit.org/290210@main)) (144611470) ### JavaScript #### New Features - Added support for Regular Expression Pattern Modifiers. ([290485@main](https://commits.webkit.org/290485@main)) (131580854) ### Media #### New Features - Added support for MediaSource prefers DecompressionSession by default. ([289924@main](https://commits.webkit.org/289924@main)) (142761051) - Added support for WebCodecs AudioDecoder by default. ([289723@main](https://commits.webkit.org/289723@main)) (144059448) - Added support for ALAC and PCM audio in MediaRecorder. ([289781@main](https://commits.webkit.org/289781@main)) (144145333) #### Resolved Issues - Fixed picture-in-picture to exit when the video element is removed. ([290216@main](https://commits.webkit.org/290216@main)) (123869436) - Fixed seeking or scrubbing not always seeking to the time requested. ([289836@main](https://commits.webkit.org/289836@main)) (142275903) (FB16223006) ### Networking #### New Features - Blocked partitioned cookies for known tracking domains. ([289849@main](https://commits.webkit.org/289849@main)) (144184516) ### Rendering #### Resolved Issues - Fixed a disappearing stretched image in a vertical flexbox layout. ([289903@main](https://commits.webkit.org/289903@main)) (135897530) - Fixed the caret positioning in `sideways-lr` writing mode. ([290387@main](https://commits.webkit.org/290387@main)) (144117372) ### Web API #### Resolved Issues - Fixed update scoped custom element registry implementation to match the web standard changes. ([290096@main](https://commits.webkit.org/290096@main)) (144456850) ### Web Inspector #### Deprecations - Removed support for inspecting WebSQL in Web Inspector. ([289854@main](https://commits.webkit.org/289854@main)) (143596276) - Removed support for inspecting ApplicationCache. ([289820@main](https://commits.webkit.org/289820@main)) (143596399) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)