Accessibility

Resolved Issues

• Fixed display: contents on tbody elements preventing table rows from being properly exposed in the accessibility tree. (282413@main) (129131780)
• Fixed the handling of ElementInternals.ariaValueNow null values so the right value is exposed to assistive technologies. (282422@main) (129218234)
• Fixed updating the accessibility tree when text underneath an aria-describedby element changes. (282430@main) (131877635)

Canvas

Resolved Issues

• Fixed CanvasRenderingContext2D globalAlpha property getting ignored for some values of globalCompositeOperation. (282995@main) (134840885)

CSS

New Features

• Added support for scrollbar-gutter. (282662@main) (111918434)
• Added support for cursor in ::marker. (282642@main) (133256523)
• Added support for ruby-overhang. (283012@main) (135058411)

Resolved Issues

• Fixed text-underline-offset to support percentages. (282611@main) (117246233)
• Fixed: Updated calc() to the most recent web standard, including support for dividing by numbers with additional units. (282580@main) (134446246)

Editing

Resolved Issues

• Fixed aligning with the standardized version of the autocorrect attribute, which does not support Email, URL, and Password fields and does not treat the empty string value in a special way. (282792@main) (101036922)
• Fixed inserting text before a <picture> element inserting the text after the element instead. (282825@main) (134378236)

JavaScript

New Features

• Added support for Iterator.prototype.constructor and Iterator.prototype[@@toStringTag]. (282687@main) (134598491)
• Added support for Iterator.from from Iterator Helpers Proposal. (283016@main) (135065388)

Resolved Issues

• Fixed: Disallow yield and await expressions in class field initializers. (282819@main) (132338331)
• Fixed Object.keys(global) including non-enumerable properties unless deleted first. (282554@main) (134121649)
• Fixed the error message of Temporal.Instant.fromEpochMilliseconds. (282587@main) (134454596)
• Fixed duration format’s nanoseconds calculation ordering. (282690@main) (134526619)
• Fixed TimeZoneAnnotation to disallow sub-minute. (282710@main) (134541964)
• Fixed: Temporal.Instant.prototype.epochMilliseconds to return a floored value. (282718@main) (134666158)

Deprecations

• Remove obsoleted Temporal.Instant API. (282400@main) (134195010)

Media

New Features

• Added support for allowing websites to override the system-default accessibility caption styling. (282568@main) (134265139)

Resolved Issues

• Fixed a bug in WebCodecs where audio and video codecs with pending work could be prematurely garbage collected. (282657@main) (134297589)

Networking

Resolved Issues

• Fixed a bug where Cross-Origin-Opener-Policy header fields in the response of iframes were not ignored, resulting in window.opener being null after multiple cross-origin navigations of the main frame. (282482@main) (132840366)

Rendering

Resolved Issues

• Fixed items that span multiple tracks with optimizations. (282464@main) (132435056)
• Fixed rendering tick marks of the range input type when the page zoom is less than 1. (282451@main) (134282707)

SVG

Resolved Issues

• Fixed an issue for getPointAtLength to throw an exception when path is empty. (282665@main) (122574451)

Web API

Resolved Issues

• Fixed: Changed click, auxclick, contextmenu, and click() to use PointerEvent. (282524@main) (71202646)
• Fixed: Aligned oncuechange event handler handling with other event handlers. (282977@main) (98254058)
• Fixed popovertarget to work on buttons in a form. (282801@main) (131042177)
• Fixed XMLSerializer.serializeToString() not serializing the children of <img> and also not closing the <img> if it has children. (282725@main) (133404338)
• Fixed: Moved onbeforeinput to GlobalEventHandlers. (282912@main) (134943272)

Web Apps

New Features

• Parse dir member of Web Application Manifest. (282761@main) (131900106)

Resolved Issues

• Fixed Web Application Manifest parsing to trim all ASCII whitespace. (282544@main) (134336817)

Web Assembly

New Features

• Added support for return_call_ref. (282853@main) (134442713)

Web Extensions

Resolved Issues

• Fixed Safari Web Extension ports to receive messages in content scripts when sent from the onConnect event listener. (283006@main) (133501214) (FB14721836)

Web Inspector

New Features

• Added support for sourcemaps to be blackboxed. (282740@main) (133731737)
• Added support for showing boundThis for arrow functions in the console. (282553@main) (134268331)