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Bug:

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.

#36288 In facebook/react;

· lukomb opened on Apr 16, 2026

useEffect cleanup not called when component unmounts inside React.StrictMode with concurrent features enabled

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.

#36284 In facebook/react;

· Vansh1811 opened on Apr 16, 2026

Bug: Optimize shallowEqual to avoid allocating keysB array

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.

#36283 In facebook/react;

· bilal-azam opened on Apr 16, 2026

[Compiler Bug]: Destructuring props leads to under-optimized component

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.

#36281 In facebook/react;

· srubin opened on Apr 16, 2026

[DevTools Bug] Cannot read properties of undefined (reading 'length')

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.

#36261 In facebook/react;

· SagarParthasarathy opened on Apr 13, 2026

Bug:

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.

#36252 In facebook/react;

· jannateysafeya-oss opened on Apr 11, 2026

[Feature Request] Improvements to the memorize rules are needed.

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.

#36248 In facebook/react;

· lunaticscode opened on Apr 10, 2026

Bug: eslint-plugin-react-hooks package.json says 7.0.0, but 7.0.1 is released on npmjs.

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.

#36247 In facebook/react;

· runephilosof-abtion opened on Apr 10, 2026

[React Compiler Bug] && conditional renders 0 as text node when first operand is falsy

Status: Open.

#36245 In facebook/react;

· famameilin opened on Apr 9, 2026

Docs Improvement: Add Practical Guide for Debugging Hydration Mismatches

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.

#36242 In facebook/react;

· Pantkartik opened on Apr 9, 2026

Bug: Improve Developer Experience for Hydration Mismatch Errors (Better Debugging & Diagnostics)

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.

#36241 In facebook/react;

· Pantkartik opened on Apr 9, 2026

Bug:

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.

#36239 In facebook/react;

· Jayeeeesh opened on Apr 9, 2026