Web Inspector

• Fixed VoiceOver to read the selected panel tab (r256652)
• Updated resource, type, and timeline icons for both light and dark modes (r256774, r257043)

Web API

• Changed the disk cache policy to allow resources larger than 10MB to be cached (r257041)
• Defered execution of async scripts until the document is loaded (r256808)
• Fixed value sanitization for input[type=text] to not truncate the value at a control character (r257132)
• Fixed new FontFace() to not throw when failing to parse arguments (r256659)
• Implemented EventTarget constructor (r256716)
• Set User-Agent in preconnect requests (r256912)

IndexedDB

• Improved the speed of index cursor iteration when there are a lot of index records from different object stores (r256738)
• Changed to prefetch cursor records on client side (r256621)

Apple Pay

• Added support for Apple Pay buttons with custom corner radii (r256648)

Web Animations

• Ensured CSS Transition and CSS Animation events are queued, sorted and dispatched by their timeline (r256619)
• Ensured animations that lose their effect don’t schedule an animation update (r256623)
• Fixed repeated animations on pseudo elements failing to run after a while (r257138)
• Fixed style changes due to Web Animations to not trigger CSS Transitions (r256627)

CSS

• Improved performance of track sizing algorithm for spanning items (r256826)

Rendering

• Changed to not fire timers when there is a pending rendering update (r256853)
• Fixed a white flash that can occur if JavaScript forces an early layout (r256577)

Web Driver

• Fixed Automation.setWindowFrameOfBrowsingContext to accept negative origin values (r257042)