# Safari Technology Preview 194 Release Notes Learn about the latest web technology updates in Safari Technology Preview: Accessibility, Canvas, CSS, JavaScript, Networking, Rendering, SVG, Web Animations, Web API, Web Extensions, and WebGL. ## Overview [Safari Technology Preview](https://webkit.org/blog/6017/introducing-safari-technology-preview/) Release 194 is now [available for download](https://developer.apple.com/safari/resources/) for macOS Sonoma and macOS Ventura. 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: [277150@main…278096@main](https://github.com/WebKit/WebKit/compare/f5c2130755ab39b4b005c196eabaa05406f586ea...aaecbac76dbf8704715a9859be1852db13c34817). ### Accessibility #### Resolved Issues - Fixed range input not firing an input event when incremented or decremented via accessibility APIs. ([277182@main](https://commits.webkit.org/277182@main)) (85707481) - Fixed setting `aria-hidden` on a slot not hiding the slot’s assigned nodes. ([277359@main](https://commits.webkit.org/277359@main)) (108762653) - Fixed `aria-hidden=true` to be ignored on the `` and `` elements. ([277677@main](https://commits.webkit.org/277677@main)) (123049663) ### Canvas #### New Features - Added support for `CanvasRenderingContext2D.filter`. ([278000@main](https://commits.webkit.org/278000@main)) (51303686) - Added support for `willReadFrequently`. ([277792@main](https://commits.webkit.org/277792@main)) (126739379) #### Resolved Issues - Fixed OffscreenCanvas failing to render to the placeholder with nested workers. ([277328@main](https://commits.webkit.org/277328@main)) (126069375) - Fixed losing the contents layer of the placeholder canvas of OffscreenCanvas when switching off the tab. ([277654@main](https://commits.webkit.org/277654@main)) (126070648) #### Deprecations - Removed support for OffscreenCanvasRenderingContext2D’s `commit()` method. ([278047@main](https://commits.webkit.org/278047@main)) (126758254) ### CSS #### Resolved Issues - Fixed an incorrect difference between implicit and explicit initial values for custom properties. ([277670@main](https://commits.webkit.org/277670@main)) (124573975) - Fixed excluding `-apple-pay-button` from applying to any element that supports `appearance: auto` and is not a button. ([277268@main](https://commits.webkit.org/277268@main)) (126107516) - Fixed missing color interpretation methods added to CSS color specifications. ([277481@main](https://commits.webkit.org/277481@main)) (126444371) ### JavaScript #### New Features - Added support for the `v` flag with `RegExp.prototype[Symbol.matchAll]`. ([277160@main](https://commits.webkit.org/277160@main)) (126017731) - Added support for Unicode 15.1.0 characters in RegExp. ([277786@main](https://commits.webkit.org/277786@main)) (126863692) #### Resolved Issues - Fixed `RegExp.prototype.@@split` to update the following legacy RegExp static properties: `RegExp.input`, `RegExp.lastMatch`, `RegExp.lastParen`, `RegExp.leftContext`, `RegExp.rightContext`, and `RegExp.$1, ... RegExp.$9`. ([277559@main](https://commits.webkit.org/277559@main)) (99865597) - Fixed logical assignment expressions to throw a syntax error when the left side of the assignment is a function call. ([277536@main](https://commits.webkit.org/277536@main)) (126540636) - Fixed throwing a syntax error for nested duplicate-named capturing groups in RegEx. ([277928@main](https://commits.webkit.org/277928@main)) (126863735) - Fixed Intl implementation to ensure canonicalizing “GMT” to “UTC” based on a spec update. ([277997@main](https://commits.webkit.org/277997@main)) (127061600) ### Networking #### Resolved Issues - Fixed incorrect `Sec-Fetch-Site` value for navigation of a nested document. ([277662@main](https://commits.webkit.org/277662@main)) (109358563) ### Rendering #### Resolved Issues - Fixed incorrect View Transition snapshot position when page is scrolled. ([277371@main](https://commits.webkit.org/277371@main)) (123668892) - Fixed Masonry to correctly perform intrinsic sizing. ([277403@main](https://commits.webkit.org/277403@main)) (124240255) - Fixed visual overflow causing shifts in View Transitions. ([277183@main](https://commits.webkit.org/277183@main)) (125882228) - Fixed snapshot scaling when animating View Transitions. ([277636@main](https://commits.webkit.org/277636@main)) (125931538) - Fixed capturing the root background showing a white area at bottom in View Transitions. ([272224@main](https://commits.webkit.org/272224@main)) (125931851) - Fixed incorrect grid item positioning with out-of-flow sibling. ([277300@main](https://commits.webkit.org/277300@main)) (126207467) - Fixed visual overflow rect to be recomputed at every frame of View Transitions. ([277482@main](https://commits.webkit.org/277482@main)) (126240398) - Fixed `break-word` with a float discarding text. ([277461@main](https://commits.webkit.org/277461@main)) (126309547) - Fixed rendering 3D transforms in View Transitions. ([277639@main](https://commits.webkit.org/277639@main)) (126513916) - Fixed image capture rectangle not including positioned descendants. ([277714@main](https://commits.webkit.org/277714@main)) (126660740) ### SVG #### New Features - Added animation support for the `d` property in SVG. ([277299@main](https://commits.webkit.org/277299@main)) (126206354) #### Resolved Issues - Fixed clipping an SVG when an SVGFilter is applied to its root. ([265135@main](https://commits.webkit.org/265135@main)) (118938065) ### Web Animations #### Resolved Issues - Fixed updating an animation when changing the value of a `transform` property while that property is animated with an implicit keyframe. ([277257@main](https://commits.webkit.org/277257@main)) (126126617) - Fixed animating with `color-mix`. ([277256@main](https://commits.webkit.org/277256@main)) (126148201) ### Web API #### New Features - Added support for serializing shadow roots through `getHTML()` as well as the corresponding shadow root `serializable` feature. ([277374@main](https://commits.webkit.org/277374@main)) (125513986) #### Resolved Issues - Fixed throwing exceptions in navigation methods if in a detached state. ([277487@main](https://commits.webkit.org/277487@main)) (123898636) - Fixed a minor issue in URL’s host setter. ([277531@main](https://commits.webkit.org/277531@main)) (124363495) - Fixed GeolocationCoordinates to expose a `toJSON()` method. ([277347@main](https://commits.webkit.org/277347@main)) (126183686) - Fixed GeolocationPosition to expose a `toJSON()` method. ([277413@main](https://commits.webkit.org/277413@main)) (126247408) - Fixed setting `CustomEvent.target` when dispatching an event. ([277435@main](https://commits.webkit.org/277435@main)) (126311287) ### Web Extensions #### Resolved Issues - Fixed `permissionState` to be requested if an extension has the `webNavigation` permission. ([277308@main](https://commits.webkit.org/277308@main)) (126212951) ### WebGL #### New Features - Enabled support for the following approved extensions: `EXT_render_snorm`, `OES_sample_variables`, and `OES_shader_multisample_interpolation`. ([277775@main](https://commits.webkit.org/277775@main)) (126863775) --- 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)