Issues · facebook/react · GitHub

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Bug: React 19 significant performance regression with many <input> elements

Status: Unconfirmed

#36229

· elakov opened

on Apr 7, 2026

nevidimka,qwe

Status: Unconfirmed

#36226

· teslukviktor75-del opened

on Apr 7, 2026

[Compiler Bug]: Uncaught SyntaxError: Unexpected token, expected "," (12:151)

Status: Unconfirmed

#36218

· dimaMachina opened

on Apr 5, 2026

[Compiler Bug]: Todo: (CodegenReactiveFunction::codegenInstructionValue) Cannot declare variables in a value block, tried to declare 't33'

Status: Unconfirmed

#36217

· dimaMachina opened

on Apr 5, 2026

Bug:

Status: Unconfirmed

#36211

· Singrisk opened

on Apr 4, 2026

Bug:

Status: Unconfirmed

#36206

· Petrossa582 opened

on Apr 3, 2026

Bug:

Status: Unconfirmed

#36205

· keni310391-stack opened

on Apr 3, 2026

Rename `DO_NOT_USE_OR_YOU_WILL_BE_FIRED_EXPERIMENTAL_IMG_SRC_TYPES` used for `<img>` to something meaningful.

Status: Unconfirmed

#36201

· jerr3n opened

on Apr 2, 2026

Bug: Large TypedArray props hang browser in dev mode in 19.2.X

Status: Unconfirmed

#36200

· jschlechtvjt opened

on Apr 2, 2026

Bug: [Fiber] Apps that have data-heavy props or state use hundreds of MBs of extra memory

Status: Unconfirmed

#36176

· leeoniya opened

on Apr 1, 2026

Bug:

Status: Unconfirmed

#36175

· nemesisdrd opened

on Mar 31, 2026

Bug: Hydration mismatch on `<script defer>` rendered inside `<head>`

Status: Unconfirmed

#36169

· cprecioso opened

on Mar 30, 2026