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React ·

React is a JavaScript library for building user interfaces.

Declarative: React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable, simpler to understand, and easier to debug.

facebook/react latest releasev19.2.4

PatchSafe upgrade Released 1/26/2026

React Server Components

Add more DoS mitigations to Server Actions, and harden Server Components (#35632 by @gnoff, @lubieowoce, @sebmarkbage, @unstubbable)

Diff stats+879-29331 filesMain areaspackagesscriptsconfig

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Fix useDeferredValue getting stuck (#36134)

c0d218f 2 weeks ago by @gaearon

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[DevTools] feat: display subtree for Activity and dim in hidden mode (#36094)

ed69815 2 weeks ago by @hoxyq

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[DevTools] chore: extract getInternalReactConstants (#35986)

8b2e903 3 weeks ago by @hoxyq

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Enables Basic View Transition support for React Native Fabric renderer (#35764)

6a04c36 3 weeks ago by @zeyap

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Turn on enableViewTransition for RN FB build (#36106)

d594643 3 weeks ago by @jackpope

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#35713Type: Bug Status: Unconfirmed Component: Developer Tools

@machineghost 2/12/2026

[DevTools Bug] Cannot remove node "1052" because no matching node was found in the Store.

8 comments

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#35644Type: Bug Status: Unconfirmed

@TudorGiuroiu 2/20/2026

[Compiler Bug]: eslint-plugin-react-hooks silent bailout when try/catch/finally block in the same component body

4 comments

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#35481Type: Bug Status: Unconfirmed

@V-iktor 2/25/2026

[Compiler Bug]: Hydration error with multiline className

3 comments

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#35813Status: Unconfirmed

@ej612 2/22/2026

[eslint-plugin-react-hooks] Bug: react-hooks/refs rule reporting false positive

1 comments

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#35722Status: Unconfirmed

@rhehfl 2/8/2026

[eslint-plugin-react-hooks] sync plugin version with package.json

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#35158Status: Unconfirmed

@Jiiieeef 2/14/2026

Bug: eslint-react-hooks false positives on immutability rule

1 comments

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README

React ·

React is a JavaScript library for building user interfaces.

Declarative: React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable, simpler to understand, and easier to debug.