Record original RegExp and modern expression first paint progress
Trace YouTube JS blockers and bounded for-in support
Document nullish and bounded for-of VM compatibility
Document original Location host and live site blockers
Sync Image constructor and real-site rendering status
Sync P0 JS delete operator and live web status
Sync OPBrowser architecture and page performance notes
Document R2c flex sizing and shorthand support
Publish R2b growth and justification status
Publish R2a multiline Flexbox and honest WPT baseline
Document R1.2c captured scrollbar dragging
Sync R1.2b scrollbars and G1 memory status
Document R1.1 scrollTop, nested wheel and rendering
Document R1.0 native CSS overflow clipping
Reprioritize OPBrowser rendering and GC after M4.35
Document M4.34 pinned original WPT Events smoke v7
Document M4.33 standalone EventTarget and listener objects
Document M4.32b native click trust and EventInit.composed
Document M4.32a Event.composedPath and cancelBubble
Document M4.31 EventTarget registration identity and ordering
Document M4.30b-d abort APIs and fetch cancellation
Document M4.30a native AbortSignal cancellation
Document M4.29b connected Element event propagation
Document M4.29a document/window EventTarget support
Document M4.28b DOM listener options and errors
Document M4.28a immediate event propagation stop
Document M4.27 selectors Event dispatch and WPT Events v5
Document M4.26 scoped selectors, in and click DOM smoke v4
Document M4.25 multi-case WPT DOM and live tag collection
Document M4.24 WPT DOM smoke v2 and live Element children