Web Inspector

• Elements Tab
  • Added emulation toggles for prefers-reduced-motion and prefers-contrast CSS media features ([email protected])
  • Fixed corrupted styles when adding a new property to a rule with a commented-out property in the Styles sidebar ([email protected])
• Storage Tab
  • Fixed extensions showing a UUID instead of their name for cookie entries ([email protected])

CSS

• Added support for media queries level 4 including range queries ([email protected])
• Fixed -webkit-radial-gradient parsing that treated a number of mandatory commas as optional ([email protected])
• Fixed transition-property: none to disassociate CSS Transition from owning the element ([email protected])
• Fixed border-image-* returning the initial keyword instead of the initial value when setting the border-image shorthand ([email protected])
• Fixed @font-face src descriptor format parsing to only allow identifiers for specified formats ([email protected])
• Fixed font shorthand to reset more longhand properties ([email protected])
• Fixed legend tags not accepting the full range of display values ([email protected])

Rendering

• Added width and height content attributes to <model> ([email protected])
• Changed to not apply aspect ratio scaling to gradient background images that don’t have a natural aspect ratio ([email protected])
• Changed to use device pixel scaled backing store for <canvas> with image-rendering: pixelated ([email protected])
• Changed to not paint a focus ring for anonymous block continuations ([email protected])
• Changed to use unclamped subgrid track sizes to compute track positions, so that gap is accounted for correctly ([email protected])
• Fixed Grid track sizing to reset the override width as well as height to compute intrinsic sizing ([email protected])
• Fixed incorrect clipping when a layer is present between the column and the content layer ([email protected])
• Fixed pixel-moving CSS filters with clipping ([email protected])
• Fixed <textarea> placeholder text that does not disappear when inserting text without a user gesture ([email protected])
• Fixed the incorrect static position of absolute-positioned elements inside relative-positioned containers ([email protected])
• Fixed rendering for extreme border-radius ([email protected])
• Fixed a positioned element with percentage padding to recalculate width when the containing block is changed ([email protected])

Web Animations

• Implement KeyframeEffect.iterationComposite ([email protected])
• Fixed opacity to use unclamped values for from and to keyframes with iterationComposite ([email protected])
• Implemented correct accumulation support for the filter property ([email protected])
• Implemented correct additivity support for the filter property ([email protected])
• Fixed to correctly accumulate and clamp filter values when blending with "none" ([email protected])
• Fixed filter values containing a url() to animate discretely ([email protected])
• Fixed support for blending mismatched filter lists ([email protected])
• Fixed baseline-shift animation is incorrect ([email protected])
• Fixed changing writing-mode or direction on an element that has an animation targeting a logical property to ensure animation resolution is scheduled ([email protected])
• Fixed keyframes to be recomputed if the CSS variable that is used changes ([email protected])
• Fixed word-spacing to support animating between percentage and fixed values ([email protected])
• Fixed Animation.commitStyles() not changing the style attribute for individual CSS transform properties ([email protected])

SVG

• Changed the default for the x1, y1, and y2 attributes to 0% for LinearGradient ([email protected])

Media

• Changed to keep MediaKeySystemAccess alive in a createMediaKeys() async task ([email protected])
• Changed to ensure current time is not removed during automatic eviction ([email protected])
• Changed to not seek with no seekable range ([email protected])
• Changed to explicitly close an RTCNetworkManager on document teardown ([email protected])
• Fixed web audio rendering becoming garbled when switching from speakers to headphones and vice-versa ([email protected])
• Fixed rendering artifacts when presenting fullscreen video ([email protected])
• Fixed RGBA data VideoFrame copyTo ([email protected])
• Fixed enabling subtitles when tracks are added after the video is loaded ([email protected])
• Fixed the incorrect size of a video track’s settings in the second MediaStream created when the aspectRatio constraint is applied ([email protected])
• Improved the coded frame eviction algorithm ([email protected])

JavaScript

• Enabled resizable ArrayBuffer ([email protected], [email protected], [email protected])
• Added JIT optimizations for ResizableArrayBuffers ([email protected])
• Added support for Atomics.waitAsync ([email protected])
• Added binding generator support for async iterable ([email protected])
• Aligned Function#name behavior with spec ([email protected])
• Relaxed Date parsing to accept narrow-no-break-space ([email protected])
• Fixed the thrown error type for WebAssembly.Tag.getArg ([email protected])
• Fixed WeakMap and WeakSet constructors to accept symbols ([email protected])
• Fixed Array.prototype.indexOf constant-folding to account for non-numeric index ([email protected])
• Fixed in operator parsing inside for statement destructuring ([email protected])
• Implemented Array.fromAsync ([email protected])
• Implemented growable SharedArrayBuffer ([email protected], [email protected])
• Implemented String#isWellFormed and String#toWellFormed ([email protected])
• Improved resizable TypedArray’s slice implementation’s spec conformance ([email protected])
• Updated resizable ArrayBuffer based on spec update ([email protected])
• Wired memory allocation reporting to ArrayBuffer resize and grow ([email protected])

WebAssembly

• Added support for subtyping declarations ([email protected])
• Changed call_ref to take a type index ([email protected])
• Fixed incorrect text in WASM error message ([email protected])

Service Workers

• Changed to make sure nested worker gets controlled if matching a service worker registration ([email protected])
• Changed to not use the service worker preload for modified requests ([email protected])
• Fixed service worker download in case of preloads ([email protected])
• Removed the “Frame load interrupted” warning in Web Inspector when clicking a link to download a file served by a service worker with a fetch event handler ([email protected])

Accessibility

• Fixed dynamic aria-disabled changes not updating enabled status for descendants ([email protected])
• Fixed to include AXKeyShortcutsValue in accessibilityAttributeNames when there is an aria-keyshortcuts attribute ([email protected])
• Fixed listed size announced by VoiceOver despite use of aria-setsize=-1 ([email protected])
• Fixed a bug preventing Shadow DOM content from being exposed to accessibility clients when used in an aria-modal or dialog ([email protected])

Editing

• Fixed non-breaking space getting inserted instead of a normal space character between text nodes in contenteditable ([email protected])

Web API

• Enabled UserActivation API ([email protected], [email protected])
• Changed to only require a “transient” user activation for Web Audio rendering ([email protected])
• Changed to not detach whitespace nodes when the previous sibling is an out-of-flow block ([email protected])
• Changed to keep br element while replacing plain texts with content ending with newline ([email protected])
• Changed to prevent hidden documents from locking the screen orientation ([email protected])
• Changed to use 'self' as the permission policy for Web Share ([email protected])
• Fixed clearing floats added dynamically to previous siblings ([email protected])
• Fixed content downloaded with fetch() API when Content-Encoding: gzip is set is not decompressed ([email protected])
• Fixed dedicated worker and shared worker global scope to use the response URL ([email protected])
• Fixed elements with position: sticky that jitter inside a container with overflow-x: clip ([email protected])
• Fixed broken preferred widths optimization involving subtree layout roots ([email protected])
• Fixed CSS.supports behaviour with regards to !important and whitespace ([email protected], [email protected], [email protected])
• Fixed CSSStyleValue.parse() and CSSStyleValue.parseAll() for shorthand CSS properties ([email protected])
• Fixed form association behavior when a form and a control with form= are removed from a document together ([email protected])
• Fixed form-association for <img> ([email protected])
• Fixed hidden buttons that can’t be used as the submitter in an implicit submission ([email protected])
• Fixed screen sharing when constraints passed by getDisplayMedia contains the ideal parameter ([email protected])
• Fixed notification.close() ([email protected])
• Fixed overlay regions sometimes getting stuck in the wrong place ([email protected])
• Fixed clicking an email field on a sign-up form not allowing input until clicked a second time ([email protected])
• Fixed WebSocket requests to include Sec-Fetch-Mode=websocket for FetchMetadata ([email protected])
• Implemented input validation for CSSColorValues ([email protected])
• Implemented messageerror event ([email protected])
• Implemented support for StylePropertyMap.append() ([email protected])
• Improved the speed of setting the value of <textarea> ([email protected])
• Simplified early dedicated worker termination ([email protected])
• Updated the streams WebIDL to match the latest specifications ([email protected])