# Safari Technology Preview 202 Release Notes Learn about the latest web technology updates in Safari Technology Preview: Accessibility, CSS, Editing, JavaScript, Media, Rendering, SVG, Web Animations, Web API, Web Assembly, and WebDriver. ## Overview [Safari Technology Preview](https://webkit.org/blog/6017/introducing-safari-technology-preview/) Release 202 is now [available for download](https://developer.apple.com/safari/resources/) for macOS Sequoia beta 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: [281465@main…282389@main](https://github.com/WebKit/WebKit/compare/5ac0af5288fc6c1d80417db6ef1eae6c3d6a8e2f...3d749a5509536c23c63c35a8ee5e4fbf77035a34). ### Accessibility #### Resolved Issues - Fixed `text-transform: full-size-kana` to not affect AT/speech output. ([282258@main](https://commits.webkit.org/282258@main)) (115504070) ### CSS #### New Features - Added support for `background-clip: border-area`. ([282202@main](https://commits.webkit.org/282202@main)) (133788384) - Added support for `line-fit-edge` and updated `text-box-edge`. ([282228@main](https://commits.webkit.org/282228@main)) (133834296) - Added support for the `text-box` shorthand. ([282282@main](https://commits.webkit.org/282282@main)) (133942602) - Added support for `ruby-align`. ([282106@main](https://commits.webkit.org/282106@main)) (133656625) - Added support for unprefixed `ruby-position`. ([281804@main](https://commits.webkit.org/281804@main)) (86128259) - Added support for `scrollbar-width`. ([282068@main](https://commits.webkit.org/282068@main)) (133019206) - Added support for view transition classes. ([282383@main](https://commits.webkit.org/282383@main)) (134020027) - Added support for view transition types. ([282344@main](https://commits.webkit.org/282344@main)) (133610087) - Added support for the `shape()` function. ([281924@main](https://commits.webkit.org/281924@main)) (133322584) - Added support for `closest-corner` and `farthest-corner` in circle and ellipse shapes. ([281808@main](https://commits.webkit.org/281808@main)) (132936677) - Added support for the `color-layers()` function. ([282334@main](https://commits.webkit.org/282334@main)) (134013898) - Added support for `@property` `` syntax. ([281872@main](https://commits.webkit.org/281872@main)) (133250776) - Added support for `::target-text`. ([282356@main](https://commits.webkit.org/282356@main)) (134010063) - Added support for `@page` margin descriptors. ([282048@main](https://commits.webkit.org/282048@main)) (118773100) - Added support for `jis-b4` and `jis-b5` sizes for `@page`. ([281814@main](https://commits.webkit.org/281814@main)) (133138325) #### Resolved Issues - Fixed `-webkit-line-clamp: none` to be parsable. ([281826@main](https://commits.webkit.org/281826@main)) (103158259) - Fixed serialization of `place-content`, `place-items`, and `place-self` properties. ([281476@main](https://commits.webkit.org/281476@main)) (125415088) - Fixed masonry intrinsic sizing with fixed size and `auto`. ([281677@main](https://commits.webkit.org/281677@main)) (132849745) ### Editing #### Resolved Issues - Fixed dictation UI no longer showing up when beginning dictation after focusing an empty text field. ([281474@main](https://commits.webkit.org/281474@main)) (131534054) (FB14277296) ### JavaScript #### New Features - Implemented Float16Array. ([281870@main](https://commits.webkit.org/281870@main)) (109883982) - Added support for `firstDayOfWeek` for `Intl.Locale` info API. ([281510@main](https://commits.webkit.org/281510@main)) (132731533) - Enabled Base64 and Hex features. ([281910@main](https://commits.webkit.org/281910@main)) (133312461) - Added support for type reflection for `WebAssembly.Module.imports` and `WebAssembly.Module.exports`. ([281974@main](https://commits.webkit.org/281974@main)) (133429946) #### Resolved Issues - Fixed `roundingMode` for seconds, microseconds, and nanoseconds in `Intl.DurationFormat`. ([281955@main](https://commits.webkit.org/281955@main)) (130771643) ### Media #### Resolved Issues - Fixed fullscreen error handling to include error messages. ([281853@main](https://commits.webkit.org/281853@main)) (103073510) ### Rendering #### Resolved Issues - Fixed margins used for grid items on relayout. ([282092@main](https://commits.webkit.org/282092@main)) (113984882) ### SVG #### Resolved Issues - Fixed correctly applying `clip-path` to the SVG element. ([281893@main](https://commits.webkit.org/281893@main)) (80516912) - Fixed `fill` to not be considered a presentation attribute on animation elements. ([282100@main](https://commits.webkit.org/282100@main)) (128896937) ### Web Animations #### Resolved Issues - Fixed `alignment-baseline` and `buffered-rendering` to support discrete animation. ([281602@main](https://commits.webkit.org/281602@main)) (94613679) - Fixed `hanging-punctuation` to support discrete animation. ([281616@main](https://commits.webkit.org/281616@main)) (94614108) - Fixed `scroll-snap-*` properties to support discrete animation. ([281572@main](https://commits.webkit.org/281572@main)) (94614257) - Fixed `column-span` to support discrete animation. ([281505@main](https://commits.webkit.org/281505@main)) (96082973) - Fixed `appearance` to support discrete animation. ([281568@main](https://commits.webkit.org/281568@main)) (96082999) - Fixed `hyphenate-character` to support discrete animation. ([281484@main](https://commits.webkit.org/281484@main)) (132698836) - Fixed `font-optical-sizing` to support discrete animation. ([281489@main](https://commits.webkit.org/281489@main)) (132699150) - Fixed `image-rendering` to support discrete animation. ([281506@main](https://commits.webkit.org/281506@main)) (132707652) - Fixed the `mask-border-*` properties to be animatable. ([281569@main](https://commits.webkit.org/281569@main)) (132783274) - Fixed `stroke-color` to be animatable. ([281570@main](https://commits.webkit.org/281570@main)) (132784589) ### Web API #### New Features - Added support for the `getPredictedEvents` API to `PointerEvent`. ([281756@main](https://commits.webkit.org/281756@main)) (117767174) - Added support for Scroll To Text Fragment Generation. ([282379@main](https://commits.webkit.org/282379@main)) (131712706) - Added support for `altitudeAngle` and `azimuthAngle` to `PointerEvent`. ([282017@main](https://commits.webkit.org/282017@main)) (131974392) - Added support for the `getCoalescedEvents` API to `PointerEvent`. ([281520@main](https://commits.webkit.org/281520@main)) (132210576) #### Deprecations - Removed support for the non-standard “overflow” event. ([281672@main](https://commits.webkit.org/281672@main)) (71129110) ### Web Assembly #### New Features - Added support for JIT-less Wasm. ([281726@main](https://commits.webkit.org/281726@main)) (113768974) - Added support for garbage collection. ([281975@main](https://commits.webkit.org/281975@main)) (126103011) - Added support for Wasm Tail Calls. ([281716@main](https://commits.webkit.org/281716@main)) (131410516) ### WebDriver #### Resolved Issues - Fixed WebDriver sometimes taking screenshots with a transparent grey line at the top and no rounded corners. ([281887@main](https://commits.webkit.org/281887@main)) (116020785) --- 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)