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Bug: a re-entrant act() during flushActQueue nulls actQueue and returns with unflushed updates

Status: Open.

#37374In react/react;

· filipems opened on Aug 25, 2026

Bug: Flight client (DEV) freezes element props before late-resolving references are written into them → "Cannot assign to read only property"

Status: Open.

#37361In react/react;

· kwrobelcodi opened on Aug 24, 2026

Bug: [Flight] Unbounded _debugInfo growth in transferReferencedDebugInfo throws RangeError: Invalid array length

Status: UnconfirmedA potential issue that we haven't yet confirmed as a bugA potential issue that we haven't yet confirmed as a bug

Status: Open.

#37343In react/react;

· alphanull opened on Aug 22, 2026

[DevTools Bug]: Profiler false-positive render fix #35723 is still missing from latest Chrome extension 7.0.1

Status: Open.

#37337In react/react;

· whatwg6 opened on Aug 21, 2026

Bug: DEV Performance Tracks serializer recurses into Window props → renderer OOM

Status: UnconfirmedA potential issue that we haven't yet confirmed as a bugA potential issue that we haven't yet confirmed as a bug

Status: Open.

#37330In react/react;

· 93-0312 opened on Aug 21, 2026

Bug: useEffect cleanup not called when component unmounts inside a re-suspending Suspense boundary

Status: UnconfirmedA potential issue that we haven't yet confirmed as a bugA potential issue that we haven't yet confirmed as a bug

Status: Open.

#37329In react/react;

· christianr108 opened on Aug 20, 2026

Bug: after a fatal error escapes the render loop, every useEffectEvent call throws "can't be called during rendering" forever (executionContext not restored)

Status: Open.

#37323In react/react;

· antur84 opened on Aug 19, 2026

Bug: streaming hydration can overtake the HTML parser — false fatal #418 (args HTML) wipes the SSR DOM when a network chunk boundary splits the shell

Status: Open.

#37321In react/react;

· Synchrol opened on Aug 19, 2026

[DevTools Bug] Cannot add child "271" to parent "259" because parent node was not found in the Store.

Component: Developer Tools

Status: UnconfirmedA potential issue that we haven't yet confirmed as a bugA potential issue that we haven't yet confirmed as a bug

Type: Bug

Status: Open.

#37320In react/react;

· ZizzX opened on Aug 19, 2026

[DevTools Bug] Cannot reorder children for node "2994" because no matching node was found in the Store.

Component: Developer Tools

Status: UnconfirmedA potential issue that we haven't yet confirmed as a bugA potential issue that we haven't yet confirmed as a bug

Type: Bug

Status: Open.

#37319In react/react;

· chriskrogh opened on Aug 19, 2026

[Compiler Bug]: mutation of a state object's nested member, reached through a shallow copy, is not detected

Status: Open.

#37316In react/react;

· rakleed opened on Aug 18, 2026

[Compiler Bug]: Stale value from useSyncExternalStore in React Native release builds

Status: Open.

#37313In react/react;

· fmario619 opened on Aug 18, 2026