Document namespace-aware DOM creation and diagnostics
Document original Object.defineProperty descriptors
Document live YouTube callsite debugging and array-object methods
Document original JS Symbol and GC-traced keys
Document navigator and UTF16 string search
Document original Math and RegExp intrinsics
Document JS shift operators and for-in RHS grammar
Document JS labeled control flow and finally semantics
Document original JS arrow functions
Document original JavaScript template literals
Sync OPBrowser architecture and page performance notes
Document idle GC allocation headroom
Document unwrapped DOM and fetch GC roots
Document detached DOM GC ownership
Document weak AbortSignal.timeout GC ownership
Document G3 EventTarget GC ownership
Sync R1.2b scrollbars and G1 memory status
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