facebook/react (react)
### [`v18.3.1`](https://redirect.github.com/facebook/react/compare/a87edf62d7d69705ddbcec9a24f0780b3db7535f...a87edf62d7d69705ddbcec9a24f0780b3db7535f)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.3.0...v18.3.1)
### [`v18.3.0`](https://redirect.github.com/facebook/react/compare/v18.2.0...a87edf62d7d69705ddbcec9a24f0780b3db7535f)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.2.0...v18.3.0)
### [`v18.2.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1820-June-14-2022)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.1.0...v18.2.0)
##### React DOM
- Provide a component stack as a second argument to `onRecoverableError`. ([@gnoff](https://redirect.github.com/gnoff) in [#24591](https://redirect.github.com/facebook/react/pull/24591))
- Fix hydrating into `document` causing a blank page on mismatch. ([@gnoff](https://redirect.github.com/gnoff) in [#24523](https://redirect.github.com/facebook/react/pull/24523))
- Fix false positive hydration errors with Suspense. ([@gnoff](https://redirect.github.com/gnoff) in [#24480](https://redirect.github.com/facebook/react/pull/24480) and [@acdlite](https://redirect.github.com/acdlite) in [#24532](https://redirect.github.com/facebook/react/pull/24532))
- Fix ignored `setState` in Safari when adding an iframe. ([@gaearon](https://redirect.github.com/gaearon) in [#24459](https://redirect.github.com/facebook/react/pull/24459))
##### React DOM Server
- Pass information about server errors to the client. ([@salazarm](https://redirect.github.com/salazarm) and [@gnoff](https://redirect.github.com/gnoff) in [#24551](https://redirect.github.com/facebook/react/pull/24551) and [#24591](https://redirect.github.com/facebook/react/pull/24591))
- Allow to provide a reason when aborting the HTML stream. ([@gnoff](https://redirect.github.com/gnoff) in [#24680](https://redirect.github.com/facebook/react/pull/24680))
- Eliminate extraneous text separators in the HTML where possible. ([@gnoff](https://redirect.github.com/gnoff) in [#24630](https://redirect.github.com/facebook/react/pull/24630))
- Disallow complex children inside `` elements to match the browser constraints. ([@gnoff](https://redirect.github.com/gnoff) in [#24679](https://redirect.github.com/facebook/react/pull/24679))
- Fix buffering in some worker environments by explicitly setting `highWaterMark` to `0`. ([@jplhomer](https://redirect.github.com/jplhomer) in [#24641](https://redirect.github.com/facebook/react/pull/24641))
##### Server Components (Experimental)
- Add support for `useId()` inside Server Components. ([@gnoff](https://redirect.github.com/gnoff) in [#24172](https://redirect.github.com/facebook/react/pull/24172))
### [`v18.1.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1810-April-26-2022)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.0.0...v18.1.0)
##### React DOM
- Fix the false positive warning about `react-dom/client` when using UMD bundle. ([@alireza-molaee](https://redirect.github.com/alireza-molaee) in [#24274](https://redirect.github.com/facebook/react/pull/24274))
- Fix `suppressHydrationWarning` to work in production too. ([@gaearon](https://redirect.github.com/gaearon) in [#24271](https://redirect.github.com/facebook/react/pull/24271))
- Fix `componentWillUnmount` firing twice inside of Suspense. ([@acdlite](https://redirect.github.com/acdlite) in [#24308](https://redirect.github.com/facebook/react/pull/24308))
- Fix some transition updates being ignored. ([@acdlite](https://redirect.github.com/acdlite) in [#24353](https://redirect.github.com/facebook/react/pull/24353))
- Fix `useDeferredValue` causing an infinite loop when passed an unmemoized value. ([@acdlite](https://redirect.github.com/acdlite) in [#24247](https://redirect.github.com/facebook/react/pull/24247))
- Fix throttling of revealing Suspense fallbacks. ([@sunderls](https://redirect.github.com/sunderls) in [#24253](https://redirect.github.com/facebook/react/pull/24253))
- Fix an inconsistency in whether the props object is the same between renders. ([@Andarist](https://redirect.github.com/Andarist) and [@acdlite](https://redirect.github.com/acdlite) in [#24421](https://redirect.github.com/facebook/react/pull/24421))
- Fix a missing warning about a `setState` loop in `useEffect`. ([@gaearon](https://redirect.github.com/gaearon) in [#24298](https://redirect.github.com/facebook/react/pull/24298))
- Fix a spurious hydration error. ([@gnoff](https://redirect.github.com/gnoff) in [#24404](https://redirect.github.com/facebook/react/pull/24404))
- Warn when calling `setState` in `useInsertionEffect`. ([@gaearon](https://redirect.github.com/gaearon) in [#24295](https://redirect.github.com/facebook/react/pull/24295))
- Ensure the reason for hydration errors is always displayed. ([@gaearon](https://redirect.github.com/gaearon) in [#24276](https://redirect.github.com/facebook/react/pull/24276))
##### React DOM Server
- Fix escaping for the `bootstrapScriptContent` contents. ([@gnoff](https://redirect.github.com/gnoff) in [#24385](https://redirect.github.com/facebook/react/pull/24385))
- Significantly improve performance of `renderToPipeableStream`. ([@gnoff](https://redirect.github.com/gnoff) in [#24291](https://redirect.github.com/facebook/react/pull/24291))
##### ESLint Plugin: React Hooks
- Fix false positive errors with a large number of branches. ([@scyron6](https://redirect.github.com/scyron6) in [#24287](https://redirect.github.com/facebook/react/pull/24287))
- Don't consider a known dependency stable when the variable is reassigned. ([@afzalsayed96](https://redirect.github.com/afzalsayed96) in [#24343](https://redirect.github.com/facebook/react/pull/24343))
##### Use Subscription
- Replace the implementation with the `use-sync-external-store` shim. ([@gaearon](https://redirect.github.com/gaearon) in [#24289](https://redirect.github.com/facebook/react/pull/24289))
### [`v18.0.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1800-March-29-2022)
[Compare Source](https://redirect.github.com/facebook/react/compare/v17.0.2...v18.0.0)
Below is a list of all new features, APIs, deprecations, and breaking changes.
Read [React 18 release post](https://reactjs.org/blog/2022/03/29/react-v18.html) and [React 18 upgrade guide](https://reactjs.org/blog/2022/03/08/react-18-upgrade-guide.html) for more information.
##### New Features
##### React
- `useId` is a new hook for generating unique IDs on both the client and server, while avoiding hydration mismatches. It is primarily useful for component libraries integrating with accessibility APIs that require unique IDs. This solves an issue that already exists in React 17 and below, but it’s even more important in React 18 because of how the new streaming server renderer delivers HTML out-of-order.
- `startTransition` and `useTransition` let you mark some state updates as not urgent. Other state updates are considered urgent by default. React will allow urgent state updates (for example, updating a text input) to interrupt non-urgent state updates (for example, rendering a list of search results).
- `useDeferredValue` lets you defer re-rendering a non-urgent part of the tree. It is similar to debouncing, but has a few advantages compared to it. There is no fixed time delay, so React will attempt the deferred render right after the first render is reflected on the screen. The deferred render is interruptible and doesn't block user input.
- `useSyncExternalStore` is a new hook that allows external stores to support concurrent reads by forcing updates to the store to be synchronous. It removes the need for `useEffect` when implementing subscriptions to external data sources, and is recommended for any library that integrates with state external to React.
- `useInsertionEffect` is a new hook that allows CSS-in-JS libraries to address performance issues of injecting styles in render. Unless you’ve already built a CSS-in-JS library we don’t expect you to ever use this. This hook will run after the DOM is mutated, but before layout effects read the new layout. This solves an issue that already exists in React 17 and below, but is even more important in React 18 because React yields to the browser during concurrent rendering, giving it a chance to recalculate layout.
##### React DOM Client
These new APIs are now exported from `react-dom/client`:
- `createRoot`: New method to create a root to `render` or `unmount`. Use it instead of `ReactDOM.render`. New features in React 18 don't work without it.
- `hydrateRoot`: New method to hydrate a server rendered application. Use it instead of `ReactDOM.hydrate` in conjunction with the new React DOM Server APIs. New features in React 18 don't work without it.
Both `createRoot` and `hydrateRoot` accept a new option called `onRecoverableError` in case you want to be notified when React recovers from errors during rendering or hydration for logging. By default, React will use [`reportError`](https://developer.mozilla.org/en-US/docs/Web/API/reportError), or `console.error` in the older browsers.
##### React DOM Server
These new APIs are now exported from `react-dom/server` and have full support for streaming Suspense on the server:
- `renderToPipeableStream`: for streaming in Node environments.
- `renderToReadableStream`: for modern edge runtime environments, such as Deno and Cloudflare workers.
The existing `renderToString` method keeps working but is discouraged.
### [`v17.0.2`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1702-March-22-2021)
[Compare Source](https://redirect.github.com/facebook/react/compare/v17.0.1...v17.0.2)
##### React DOM
- Remove an unused dependency to address the [`SharedArrayBuffer` cross-origin isolation warning](https://developer.chrome.com/blog/enabling-shared-array-buffer/). ([@koba04](https://redirect.github.com/koba04) and [@bvaughn](https://redirect.github.com/bvaughn) in [#20831](https://redirect.github.com/facebook/react/pull/20831), [#20832](https://redirect.github.com/facebook/react/pull/20832), and [#20840](https://redirect.github.com/facebook/react/pull/20840))
### [`v17.0.1`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1701-October-22-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v17.0.0...v17.0.1)
##### React DOM
- Fix a crash in IE11. ([@gaearon](https://redirect.github.com/gaearon) in [#20071](https://redirect.github.com/facebook/react/pull/20071))
### [`v17.0.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1700-October-20-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.14.0...v17.0.0)
Today, we are releasing React 17!
**[Learn more about React 17 and how to update to it on the official React blog.](https://reactjs.org/blog/2020/10/20/react-v17.html)**
##### React
- Add `react/jsx-runtime` and `react/jsx-dev-runtime` for the [new JSX transform](https://babeljs.io/blog/2020/03/16/7.9.0#a-new-jsx-transform-11154-https-githubcom-babel-babel-pull-11154). ([@lunaruan](https://redirect.github.com/lunaruan) in [#18299](https://redirect.github.com/facebook/react/pull/18299))
- Build component stacks from native error frames. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18561](https://redirect.github.com/facebook/react/pull/18561))
- Allow to specify `displayName` on context for improved stacks. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18224](https://redirect.github.com/facebook/react/pull/18224))
- Prevent `'use strict'` from leaking in the UMD bundles. ([@koba04](https://redirect.github.com/koba04) in [#19614](https://redirect.github.com/facebook/react/pull/19614))
- Stop using `fb.me` for redirects. ([@cylim](https://redirect.github.com/cylim) in [#19598](https://redirect.github.com/facebook/react/pull/19598))
##### React DOM
- Delegate events to roots instead of `document`. ([@trueadm](https://redirect.github.com/trueadm) in [#18195](https://redirect.github.com/facebook/react/pull/18195) and [others](https://redirect.github.com/facebook/react/pulls?q=is%3Apr+author%3Atrueadm+modern+event+is%3Amerged))
- Clean up all effects before running any next effects. ([@bvaughn](https://redirect.github.com/bvaughn) in [#17947](https://redirect.github.com/facebook/react/pull/17947))
- Run `useEffect` cleanup functions asynchronously. ([@bvaughn](https://redirect.github.com/bvaughn) in [#17925](https://redirect.github.com/facebook/react/pull/17925))
- Use browser `focusin` and `focusout` for `onFocus` and `onBlur`. ([@trueadm](https://redirect.github.com/trueadm) in [#19186](https://redirect.github.com/facebook/react/pull/19186))
- Make all `Capture` events use the browser capture phase. ([@trueadm](https://redirect.github.com/trueadm) in [#19221](https://redirect.github.com/facebook/react/pull/19221))
- Don't emulate bubbling of the `onScroll` event. ([@gaearon](https://redirect.github.com/gaearon) in [#19464](https://redirect.github.com/facebook/react/pull/19464))
- Throw if `forwardRef` or `memo` component returns `undefined`. ([@gaearon](https://redirect.github.com/gaearon) in [#19550](https://redirect.github.com/facebook/react/pull/19550))
- Remove event pooling. ([@trueadm](https://redirect.github.com/trueadm) in [#18969](https://redirect.github.com/facebook/react/pull/18969))
- Stop exposing internals that won’t be needed by React Native Web. ([@necolas](https://redirect.github.com/necolas) in [#18483](https://redirect.github.com/facebook/react/pull/18483))
- Attach all known event listeners when the root mounts. ([@gaearon](https://redirect.github.com/gaearon) in [#19659](https://redirect.github.com/facebook/react/pull/19659))
- Disable `console` in the second render pass of DEV mode double render. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18547](https://redirect.github.com/facebook/react/pull/18547))
- Deprecate the undocumented and misleading `ReactTestUtils.SimulateNative` API. ([@gaearon](https://redirect.github.com/gaearon) in [#13407](https://redirect.github.com/facebook/react/pull/13407))
- Rename private field names used in the internals. ([@gaearon](https://redirect.github.com/gaearon) in [#18377](https://redirect.github.com/facebook/react/pull/18377))
- Don't call User Timing API in development. ([@gaearon](https://redirect.github.com/gaearon) in [#18417](https://redirect.github.com/facebook/react/pull/18417))
- Disable console during the repeated render in Strict Mode. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18547](https://redirect.github.com/facebook/react/pull/18547))
- In Strict Mode, double-render components without Hooks too. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18430](https://redirect.github.com/facebook/react/pull/18430))
- Allow calling `ReactDOM.flushSync` during lifecycle methods (but warn). ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18759](https://redirect.github.com/facebook/react/pull/18759))
- Add the `code` property to the keyboard event objects. ([@bl00mber](https://redirect.github.com/bl00mber) in [#18287](https://redirect.github.com/facebook/react/pull/18287))
- Add the `disableRemotePlayback` property for `video` elements. ([@tombrowndev](https://redirect.github.com/tombrowndev) in [#18619](https://redirect.github.com/facebook/react/pull/18619))
- Add the `enterKeyHint` property for `input` elements. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18634](https://redirect.github.com/facebook/react/pull/18634))
- Warn when no `value` is provided to ``. ([@charlie1404](https://redirect.github.com/charlie1404) in [#19054](https://redirect.github.com/facebook/react/pull/19054))
- Warn when `memo` or `forwardRef` components return `undefined`. ([@bvaughn](https://redirect.github.com/bvaughn) in [#19550](https://redirect.github.com/facebook/react/pull/19550))
- Improve the error message for invalid updates. ([@JoviDeCroock](https://redirect.github.com/JoviDeCroock) in [#18316](https://redirect.github.com/facebook/react/pull/18316))
- Exclude forwardRef and memo from stack frames. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18559](https://redirect.github.com/facebook/react/pull/18559))
- Improve the error message when switching between controlled and uncontrolled inputs. ([@vcarl](https://redirect.github.com/vcarl) in [#17070](https://redirect.github.com/facebook/react/pull/17070))
- Keep `onTouchStart`, `onTouchMove`, and `onWheel` passive. ([@gaearon](https://redirect.github.com/gaearon) in [#19654](https://redirect.github.com/facebook/react/pull/19654))
- Fix `setState` hanging in development inside a closed iframe. ([@gaearon](https://redirect.github.com/gaearon) in [#19220](https://redirect.github.com/facebook/react/pull/19220))
- Fix rendering bailout for lazy components with `defaultProps`. ([@jddxf](https://redirect.github.com/jddxf) in [#18539](https://redirect.github.com/facebook/react/pull/18539))
- Fix a false positive warning when `dangerouslySetInnerHTML` is `undefined`. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18676](https://redirect.github.com/facebook/react/pull/18676))
- Fix Test Utils with non-standard `require` implementation. ([@just-boris](https://redirect.github.com/just-boris) in [#18632](https://redirect.github.com/facebook/react/pull/18632))
- Fix `onBeforeInput` reporting an incorrect `event.type`. ([@eps1lon](https://redirect.github.com/eps1lon) in [#19561](https://redirect.github.com/facebook/react/pull/19561))
- Fix `event.relatedTarget` reported as `undefined` in Firefox. ([@claytercek](https://redirect.github.com/claytercek) in [#19607](https://redirect.github.com/facebook/react/pull/19607))
- Fix "unspecified error" in IE11. ([@hemakshis](https://redirect.github.com/hemakshis) in [#19664](https://redirect.github.com/facebook/react/pull/19664))
- Fix rendering into a shadow root. ([@Jack-Works](https://redirect.github.com/Jack-Works) in [#15894](https://redirect.github.com/facebook/react/pull/15894))
- Fix `movementX/Y` polyfill with capture events. ([@gaearon](https://redirect.github.com/gaearon) in [#19672](https://redirect.github.com/facebook/react/pull/19672))
- Use delegation for `onSubmit` and `onReset` events. ([@gaearon](https://redirect.github.com/gaearon) in [#19333](https://redirect.github.com/facebook/react/pull/19333))
- Improve memory usage. ([@trueadm](https://redirect.github.com/trueadm) in [#18970](https://redirect.github.com/facebook/react/pull/18970))
##### React DOM Server
- Make `useCallback` behavior consistent with `useMemo` for the server renderer. ([@alexmckenley](https://redirect.github.com/alexmckenley) in [#18783](https://redirect.github.com/facebook/react/pull/18783))
- Fix state leaking when a function component throws. ([@pmaccart](https://redirect.github.com/pmaccart) in [#19212](https://redirect.github.com/facebook/react/pull/19212))
##### React Test Renderer
- Improve `findByType` error message. ([@henryqdineen](https://redirect.github.com/henryqdineen) in [#17439](https://redirect.github.com/facebook/react/pull/17439))
##### Concurrent Mode (Experimental)
- Revamp the priority batching heuristics. ([@acdlite](https://redirect.github.com/acdlite) in [#18796](https://redirect.github.com/facebook/react/pull/18796))
- Add the `unstable_` prefix before the experimental APIs. ([@acdlite](https://redirect.github.com/acdlite) in [#18825](https://redirect.github.com/facebook/react/pull/18825))
- Remove `unstable_discreteUpdates` and `unstable_flushDiscreteUpdates`. ([@trueadm](https://redirect.github.com/trueadm) in [#18825](https://redirect.github.com/facebook/react/pull/18825))
- Remove the `timeoutMs` argument. ([@acdlite](https://redirect.github.com/acdlite) in [#19703](https://redirect.github.com/facebook/react/pull/19703))
- Disable `` prerendering in favor of a different future API. ([@acdlite](https://redirect.github.com/acdlite) in [#18917](https://redirect.github.com/facebook/react/pull/18917))
- Add `unstable_expectedLoadTime` to Suspense for CPU-bound trees. ([@acdlite](https://redirect.github.com/acdlite) in [#19936](https://redirect.github.com/facebook/react/pull/19936))
- Add an experimental `unstable_useOpaqueIdentifier` Hook. ([@lunaruan](https://redirect.github.com/lunaruan) in [#17322](https://redirect.github.com/facebook/react/pull/17322))
- Add an experimental `unstable_startTransition` API. ([@rickhanlonii](https://redirect.github.com/rickhanlonii) in [#19696](https://redirect.github.com/facebook/react/pull/19696))
- Using `act` in the test renderer no longer flushes Suspense fallbacks. ([@acdlite](https://redirect.github.com/acdlite) in [#18596](https://redirect.github.com/facebook/react/pull/18596))
- Use global render timeout for CPU Suspense. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#19643](https://redirect.github.com/facebook/react/pull/19643))
- Clear the existing root content before mounting. ([@bvaughn](https://redirect.github.com/bvaughn) in [#18730](https://redirect.github.com/facebook/react/pull/18730))
- Fix a bug with error boundaries. ([@acdlite](https://redirect.github.com/acdlite) in [#18265](https://redirect.github.com/facebook/react/pull/18265))
- Fix a bug causing dropped updates in a suspended tree. ([@acdlite](https://redirect.github.com/acdlite) in [#18384](https://redirect.github.com/facebook/react/pull/18384) and [#18457](https://redirect.github.com/facebook/react/pull/18457))
- Fix a bug causing dropped render phase updates. ([@acdlite](https://redirect.github.com/acdlite) in [#18537](https://redirect.github.com/facebook/react/pull/18537))
- Fix a bug in SuspenseList. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18412](https://redirect.github.com/facebook/react/pull/18412))
- Fix a bug causing Suspense fallback to show too early. ([@acdlite](https://redirect.github.com/acdlite) in [#18411](https://redirect.github.com/facebook/react/pull/18411))
- Fix a bug with class components inside SuspenseList. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18448](https://redirect.github.com/facebook/react/pull/18448))
- Fix a bug with inputs that may cause updates to be dropped. ([@jddxf](https://redirect.github.com/jddxf) in [#18515](https://redirect.github.com/facebook/react/pull/18515) and [@acdlite](https://redirect.github.com/acdlite) in [#18535](https://redirect.github.com/facebook/react/pull/18535))
- Fix a bug causing Suspense fallback to get stuck. ([@acdlite](https://redirect.github.com/acdlite) in [#18663](https://redirect.github.com/facebook/react/pull/18663))
- Don't cut off the tail of a SuspenseList if hydrating. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18854](https://redirect.github.com/facebook/react/pull/18854))
- Fix a bug in `useMutableSource` that may happen when `getSnapshot` changes. ([@bvaughn](https://redirect.github.com/bvaughn) in [#18297](https://redirect.github.com/facebook/react/pull/18297))
- Fix a tearing bug in `useMutableSource`. ([@bvaughn](https://redirect.github.com/bvaughn) in [#18912](https://redirect.github.com/facebook/react/pull/18912))
- Warn if calling setState outside of render but before commit. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18838](https://redirect.github.com/facebook/react/pull/18838))
### [`v16.14.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#16140-October-14-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.13.1...v16.14.0)
##### React
- Add support for the [new JSX transform](https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html). ([@lunaruan](https://redirect.github.com/lunaruan) in [#18299](https://redirect.github.com/facebook/react/pull/18299))
### [`v16.13.1`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#16131-March-19-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.13.0...v16.13.1)
##### React DOM
- Fix bug in legacy mode Suspense where effect clean-up functions are not fired. This only affects users who use Suspense for data fetching in legacy mode, which is not technically supported. ([@acdlite](https://redirect.github.com/acdlite) in [#18238](https://redirect.github.com/facebook/react/pull/18238))
- Revert warning for cross-component updates that happen inside class render lifecycles (`componentWillReceiveProps`, `shouldComponentUpdate`, and so on). ([@gaearon](https://redirect.github.com/gaearon) in [#18330](https://redirect.github.com/facebook/react/pull/18330))
### [`v16.13.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#16130-February-26-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.12.0...v16.13.0)
##### React
- Warn when a string ref is used in a manner that's not amenable to a future codemod ([@lunaruan](https://redirect.github.com/lunaruan) in [#17864](https://redirect.github.com/facebook/react/pull/17864))
- Deprecate `React.createFactory()` ([@trueadm](https://redirect.github.com/trueadm) in [#17878](https://redirect.github.com/facebook/react/pull/17878))
##### React DOM
- Warn when changes in `style` may cause an unexpected collision ([@sophiebits](https://redirect.github.com/sophiebits) in [#14181](https://redirect.github.com/facebook/react/pull/14181), [#18002](https://redirect.github.com/facebook/react/pull/18002))
- Warn when a function component is updated during another component's render phase ([@acdlite](https://redirect.github.com/acdlite) in [#17099](https://redirect.github.com/facebook/react/pull/17099))
- Deprecate `unstable_createPortal` ([@trueadm](https://redirect.github.com/trueadm) in [#17880](https://redirect.github.com/facebook/react/pull/17880))
- Fix `onMouseEnter` being fired on disabled buttons ([@AlfredoGJ](https://redirect.github.com/AlfredoGJ) in [#17675](https://redirect.github.com/facebook/react/pull/17675))
- Call `shouldComponentUpdate` twice when developing in `StrictMode` ([@bvaughn](https://redirect.github.com/bvaughn) in [#17942](https://redirect.github.com/facebook/react/pull/17942))
- Add `version` property to ReactDOM ([@ealush](https://redirect.github.com/ealush) in [#15780](https://redirect.github.com/facebook/react/pull/15780))
- Don't call `toString()` of `dangerouslySetInnerHTML` ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#17773](https://redirect.github.com/facebook/react/pull/17773))
- Show component stacks in more warnings ([@gaearon](https://redirect.github.com/gaearon) in [#17922](https://redirect.github.com/facebook/react/pull/17922), [#17586](https://redirect.github.com/facebook/react/pull/17586))
##### Concurrent Mode (Experimental)
- Warn for problematic usages of `ReactDOM.createRoot()` ([@trueadm](https://redirect.github.com/trueadm) in [#17937](https://redirect.github.com/facebook/react/pull/17937))
- Remove `ReactDOM.createRoot()` callback params and added warnings on usage ([@bvaughn](https://redirect.github.com/bvaughn) in [#17916](https://redirect.github.com/facebook/react/pull/17916))
- Don't group Idle/Offscreen work with other work ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#17456](https://redirect.github.com/facebook/react/pull/17456))
- Adjust `SuspenseList` CPU bound heuristic ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#17455](https://redirect.github.com/facebook/react/pull/17455))
- Add missing event plugin priorities ([@trueadm](https://redirect.github.com/trueadm) in [#17914](https://redirect.github.com/facebook/react/pull/17914))
- Fix `isPending` only being true when transitioning from inside an input event ([@acdlite](https://redirect.github.com/acdlite) in [#17382](https://redirect.github.com/facebook/react/pull/17382))
- Fix `React.memo` components dropping updates when interrupted by a higher priority update ([@acdlite](\(https://github.com/acdlite\)) in [#18091](https://redirect.github.com/facebook/react/pull/18091))
- Don't warn when suspending at the wrong priority ([@gaearon](https://redirect.github.com/gaearon) in [#17971](https://redirect.github.com/facebook/react/pull/17971))
- Fix a bug with rebasing updates ([@acdlite](https://redirect.github.com/acdlite) and [@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#17560](https://redirect.github.com/facebook/react/pull/17560), [#17510](https://redirect.github.com/facebook/react/pull/17510), [#17483](https://redirect.github.com/facebook/react/pull/17483), [#17480](https://redirect.github.com/facebook/react/pull/17480))
### [`v16.12.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#16120-November-14-2019)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.11.0...v16.12.0)
##### React DOM
- Fix passive effects (`useEffect`) not being fired in a multi-root app. ([@acdlite](https://redirect.github.com/acdlite) in [#17347](https://redirect.github.com/facebook/react/pull/17347))
##### React Is
- Fix `lazy` and `memo` types considered elements instead of components ([@bvaughn](https://redirect.github.com/bvaughn) in [#17278](https://redirect.github.com/facebook/react/pull/17278))
### [`v16.11.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#16110-October-22-2019)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.10.2...v16.11.0)
##### React DOM
- Fix `mouseenter` handlers from firing twice inside nested React containers. [@yuanoook](https://redirect.github.com/yuanoook) in [#16928](https://redirect.github.com/facebook/react/pull/16928)
- Remove `unstable_createRoot` and `unstable_createSyncRoot` experimental APIs. (These are available in the Experimental channel as `createRoot` and `createSyncRoot`.) ([@acdlite](http://github.com/acdlite) in [#17088](https://redirect.github.com/facebook/react/pull/17088))
facebook/react (react-dom)
### [`v18.3.1`](https://redirect.github.com/facebook/react/compare/a87edf62d7d69705ddbcec9a24f0780b3db7535f...a87edf62d7d69705ddbcec9a24f0780b3db7535f)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.3.0...v18.3.1)
### [`v18.3.0`](https://redirect.github.com/facebook/react/compare/v18.2.0...a87edf62d7d69705ddbcec9a24f0780b3db7535f)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.2.0...v18.3.0)
### [`v18.2.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1820-June-14-2022)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.1.0...v18.2.0)
##### React DOM
- Provide a component stack as a second argument to `onRecoverableError`. ([@gnoff](https://redirect.github.com/gnoff) in [#24591](https://redirect.github.com/facebook/react/pull/24591))
- Fix hydrating into `document` causing a blank page on mismatch. ([@gnoff](https://redirect.github.com/gnoff) in [#24523](https://redirect.github.com/facebook/react/pull/24523))
- Fix false positive hydration errors with Suspense. ([@gnoff](https://redirect.github.com/gnoff) in [#24480](https://redirect.github.com/facebook/react/pull/24480) and [@acdlite](https://redirect.github.com/acdlite) in [#24532](https://redirect.github.com/facebook/react/pull/24532))
- Fix ignored `setState` in Safari when adding an iframe. ([@gaearon](https://redirect.github.com/gaearon) in [#24459](https://redirect.github.com/facebook/react/pull/24459))
##### React DOM Server
- Pass information about server errors to the client. ([@salazarm](https://redirect.github.com/salazarm) and [@gnoff](https://redirect.github.com/gnoff) in [#24551](https://redirect.github.com/facebook/react/pull/24551) and [#24591](https://redirect.github.com/facebook/react/pull/24591))
- Allow to provide a reason when aborting the HTML stream. ([@gnoff](https://redirect.github.com/gnoff) in [#24680](https://redirect.github.com/facebook/react/pull/24680))
- Eliminate extraneous text separators in the HTML where possible. ([@gnoff](https://redirect.github.com/gnoff) in [#24630](https://redirect.github.com/facebook/react/pull/24630))
- Disallow complex children inside `` elements to match the browser constraints. ([@gnoff](https://redirect.github.com/gnoff) in [#24679](https://redirect.github.com/facebook/react/pull/24679))
- Fix buffering in some worker environments by explicitly setting `highWaterMark` to `0`. ([@jplhomer](https://redirect.github.com/jplhomer) in [#24641](https://redirect.github.com/facebook/react/pull/24641))
##### Server Components (Experimental)
- Add support for `useId()` inside Server Components. ([@gnoff](https://redirect.github.com/gnoff) in [#24172](https://redirect.github.com/facebook/react/pull/24172))
### [`v18.1.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1810-April-26-2022)
[Compare Source](https://redirect.github.com/facebook/react/compare/v18.0.0...v18.1.0)
##### React DOM
- Fix the false positive warning about `react-dom/client` when using UMD bundle. ([@alireza-molaee](https://redirect.github.com/alireza-molaee) in [#24274](https://redirect.github.com/facebook/react/pull/24274))
- Fix `suppressHydrationWarning` to work in production too. ([@gaearon](https://redirect.github.com/gaearon) in [#24271](https://redirect.github.com/facebook/react/pull/24271))
- Fix `componentWillUnmount` firing twice inside of Suspense. ([@acdlite](https://redirect.github.com/acdlite) in [#24308](https://redirect.github.com/facebook/react/pull/24308))
- Fix some transition updates being ignored. ([@acdlite](https://redirect.github.com/acdlite) in [#24353](https://redirect.github.com/facebook/react/pull/24353))
- Fix `useDeferredValue` causing an infinite loop when passed an unmemoized value. ([@acdlite](https://redirect.github.com/acdlite) in [#24247](https://redirect.github.com/facebook/react/pull/24247))
- Fix throttling of revealing Suspense fallbacks. ([@sunderls](https://redirect.github.com/sunderls) in [#24253](https://redirect.github.com/facebook/react/pull/24253))
- Fix an inconsistency in whether the props object is the same between renders. ([@Andarist](https://redirect.github.com/Andarist) and [@acdlite](https://redirect.github.com/acdlite) in [#24421](https://redirect.github.com/facebook/react/pull/24421))
- Fix a missing warning about a `setState` loop in `useEffect`. ([@gaearon](https://redirect.github.com/gaearon) in [#24298](https://redirect.github.com/facebook/react/pull/24298))
- Fix a spurious hydration error. ([@gnoff](https://redirect.github.com/gnoff) in [#24404](https://redirect.github.com/facebook/react/pull/24404))
- Warn when calling `setState` in `useInsertionEffect`. ([@gaearon](https://redirect.github.com/gaearon) in [#24295](https://redirect.github.com/facebook/react/pull/24295))
- Ensure the reason for hydration errors is always displayed. ([@gaearon](https://redirect.github.com/gaearon) in [#24276](https://redirect.github.com/facebook/react/pull/24276))
##### React DOM Server
- Fix escaping for the `bootstrapScriptContent` contents. ([@gnoff](https://redirect.github.com/gnoff) in [#24385](https://redirect.github.com/facebook/react/pull/24385))
- Significantly improve performance of `renderToPipeableStream`. ([@gnoff](https://redirect.github.com/gnoff) in [#24291](https://redirect.github.com/facebook/react/pull/24291))
##### ESLint Plugin: React Hooks
- Fix false positive errors with a large number of branches. ([@scyron6](https://redirect.github.com/scyron6) in [#24287](https://redirect.github.com/facebook/react/pull/24287))
- Don't consider a known dependency stable when the variable is reassigned. ([@afzalsayed96](https://redirect.github.com/afzalsayed96) in [#24343](https://redirect.github.com/facebook/react/pull/24343))
##### Use Subscription
- Replace the implementation with the `use-sync-external-store` shim. ([@gaearon](https://redirect.github.com/gaearon) in [#24289](https://redirect.github.com/facebook/react/pull/24289))
### [`v18.0.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1800-March-29-2022)
[Compare Source](https://redirect.github.com/facebook/react/compare/v17.0.2...v18.0.0)
Below is a list of all new features, APIs, deprecations, and breaking changes.
Read [React 18 release post](https://reactjs.org/blog/2022/03/29/react-v18.html) and [React 18 upgrade guide](https://reactjs.org/blog/2022/03/08/react-18-upgrade-guide.html) for more information.
##### New Features
##### React
- `useId` is a new hook for generating unique IDs on both the client and server, while avoiding hydration mismatches. It is primarily useful for component libraries integrating with accessibility APIs that require unique IDs. This solves an issue that already exists in React 17 and below, but it’s even more important in React 18 because of how the new streaming server renderer delivers HTML out-of-order.
- `startTransition` and `useTransition` let you mark some state updates as not urgent. Other state updates are considered urgent by default. React will allow urgent state updates (for example, updating a text input) to interrupt non-urgent state updates (for example, rendering a list of search results).
- `useDeferredValue` lets you defer re-rendering a non-urgent part of the tree. It is similar to debouncing, but has a few advantages compared to it. There is no fixed time delay, so React will attempt the deferred render right after the first render is reflected on the screen. The deferred render is interruptible and doesn't block user input.
- `useSyncExternalStore` is a new hook that allows external stores to support concurrent reads by forcing updates to the store to be synchronous. It removes the need for `useEffect` when implementing subscriptions to external data sources, and is recommended for any library that integrates with state external to React.
- `useInsertionEffect` is a new hook that allows CSS-in-JS libraries to address performance issues of injecting styles in render. Unless you’ve already built a CSS-in-JS library we don’t expect you to ever use this. This hook will run after the DOM is mutated, but before layout effects read the new layout. This solves an issue that already exists in React 17 and below, but is even more important in React 18 because React yields to the browser during concurrent rendering, giving it a chance to recalculate layout.
##### React DOM Client
These new APIs are now exported from `react-dom/client`:
- `createRoot`: New method to create a root to `render` or `unmount`. Use it instead of `ReactDOM.render`. New features in React 18 don't work without it.
- `hydrateRoot`: New method to hydrate a server rendered application. Use it instead of `ReactDOM.hydrate` in conjunction with the new React DOM Server APIs. New features in React 18 don't work without it.
Both `createRoot` and `hydrateRoot` accept a new option called `onRecoverableError` in case you want to be notified when React recovers from errors during rendering or hydration for logging. By default, React will use [`reportError`](https://developer.mozilla.org/en-US/docs/Web/API/reportError), or `console.error` in the older browsers.
##### React DOM Server
These new APIs are now exported from `react-dom/server` and have full support for streaming Suspense on the server:
- `renderToPipeableStream`: for streaming in Node environments.
- `renderToReadableStream`: for modern edge runtime environments, such as Deno and Cloudflare workers.
The existing `renderToString` method keeps working but is discouraged.
### [`v17.0.2`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1702-March-22-2021)
[Compare Source](https://redirect.github.com/facebook/react/compare/v17.0.1...v17.0.2)
##### React DOM
- Remove an unused dependency to address the [`SharedArrayBuffer` cross-origin isolation warning](https://developer.chrome.com/blog/enabling-shared-array-buffer/). ([@koba04](https://redirect.github.com/koba04) and [@bvaughn](https://redirect.github.com/bvaughn) in [#20831](https://redirect.github.com/facebook/react/pull/20831), [#20832](https://redirect.github.com/facebook/react/pull/20832), and [#20840](https://redirect.github.com/facebook/react/pull/20840))
### [`v17.0.1`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1701-October-22-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v17.0.0...v17.0.1)
##### React DOM
- Fix a crash in IE11. ([@gaearon](https://redirect.github.com/gaearon) in [#20071](https://redirect.github.com/facebook/react/pull/20071))
### [`v17.0.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1700-October-20-2020)
[Compare Source](https://redirect.github.com/facebook/react/compare/v16.14.0...v17.0.0)
Today, we are releasing React 17!
**[Learn more about React 17 and how to update to it on the official React blog.](https://reactjs.org/blog/2020/10/20/react-v17.html)**
##### React
- Add `react/jsx-runtime` and `react/jsx-dev-runtime` for the [new JSX transform](https://babeljs.io/blog/2020/03/16/7.9.0#a-new-jsx-transform-11154-https-githubcom-babel-babel-pull-11154). ([@lunaruan](https://redirect.github.com/lunaruan) in [#18299](https://redirect.github.com/facebook/react/pull/18299))
- Build component stacks from native error frames. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18561](https://redirect.github.com/facebook/react/pull/18561))
- Allow to specify `displayName` on context for improved stacks. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18224](https://redirect.github.com/facebook/react/pull/18224))
- Prevent `'use strict'` from leaking in the UMD bundles. ([@koba04](https://redirect.github.com/koba04) in [#19614](https://redirect.github.com/facebook/react/pull/19614))
- Stop using `fb.me` for redirects. ([@cylim](https://redirect.github.com/cylim) in [#19598](https://redirect.github.com/facebook/react/pull/19598))
##### React DOM
- Delegate events to roots instead of `document`. ([@trueadm](https://redirect.github.com/trueadm) in [#18195](https://redirect.github.com/facebook/react/pull/18195) and [others](https://redirect.github.com/facebook/react/pulls?q=is%3Apr+author%3Atrueadm+modern+event+is%3Amerged))
- Clean up all effects before running any next effects. ([@bvaughn](https://redirect.github.com/bvaughn) in [#17947](https://redirect.github.com/facebook/react/pull/17947))
- Run `useEffect` cleanup functions asynchronously. ([@bvaughn](https://redirect.github.com/bvaughn) in [#17925](https://redirect.github.com/facebook/react/pull/17925))
- Use browser `focusin` and `focusout` for `onFocus` and `onBlur`. ([@trueadm](https://redirect.github.com/trueadm) in [#19186](https://redirect.github.com/facebook/react/pull/19186))
- Make all `Capture` events use the browser capture phase. ([@trueadm](https://redirect.github.com/trueadm) in [#19221](https://redirect.github.com/facebook/react/pull/19221))
- Don't emulate bubbling of the `onScroll` event. ([@gaearon](https://redirect.github.com/gaearon) in [#19464](https://redirect.github.com/facebook/react/pull/19464))
- Throw if `forwardRef` or `memo` component returns `undefined`. ([@gaearon](https://redirect.github.com/gaearon) in [#19550](https://redirect.github.com/facebook/react/pull/19550))
- Remove event pooling. ([@trueadm](https://redirect.github.com/trueadm) in [#18969](https://redirect.github.com/facebook/react/pull/18969))
- Stop exposing internals that won’t be needed by React Native Web. ([@necolas](https://redirect.github.com/necolas) in [#18483](https://redirect.github.com/facebook/react/pull/18483))
- Attach all known event listeners when the root mounts. ([@gaearon](https://redirect.github.com/gaearon) in [#19659](https://redirect.github.com/facebook/react/pull/19659))
- Disable `console` in the second render pass of DEV mode double render. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18547](https://redirect.github.com/facebook/react/pull/18547))
- Deprecate the undocumented and misleading `ReactTestUtils.SimulateNative` API. ([@gaearon](https://redirect.github.com/gaearon) in [#13407](https://redirect.github.com/facebook/react/pull/13407))
- Rename private field names used in the internals. ([@gaearon](https://redirect.github.com/gaearon) in [#18377](https://redirect.github.com/facebook/react/pull/18377))
- Don't call User Timing API in development. ([@gaearon](https://redirect.github.com/gaearon) in [#18417](https://redirect.github.com/facebook/react/pull/18417))
- Disable console during the repeated render in Strict Mode. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18547](https://redirect.github.com/facebook/react/pull/18547))
- In Strict Mode, double-render components without Hooks too. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18430](https://redirect.github.com/facebook/react/pull/18430))
- Allow calling `ReactDOM.flushSync` during lifecycle methods (but warn). ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18759](https://redirect.github.com/facebook/react/pull/18759))
- Add the `code` property to the keyboard event objects. ([@bl00mber](https://redirect.github.com/bl00mber) in [#18287](https://redirect.github.com/facebook/react/pull/18287))
- Add the `disableRemotePlayback` property for `video` elements. ([@tombrowndev](https://redirect.github.com/tombrowndev) in [#18619](https://redirect.github.com/facebook/react/pull/18619))
- Add the `enterKeyHint` property for `input` elements. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18634](https://redirect.github.com/facebook/react/pull/18634))
- Warn when no `value` is provided to ``. ([@charlie1404](https://redirect.github.com/charlie1404) in [#19054](https://redirect.github.com/facebook/react/pull/19054))
- Warn when `memo` or `forwardRef` components return `undefined`. ([@bvaughn](https://redirect.github.com/bvaughn) in [#19550](https://redirect.github.com/facebook/react/pull/19550))
- Improve the error message for invalid updates. ([@JoviDeCroock](https://redirect.github.com/JoviDeCroock) in [#18316](https://redirect.github.com/facebook/react/pull/18316))
- Exclude forwardRef and memo from stack frames. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18559](https://redirect.github.com/facebook/react/pull/18559))
- Improve the error message when switching between controlled and uncontrolled inputs. ([@vcarl](https://redirect.github.com/vcarl) in [#17070](https://redirect.github.com/facebook/react/pull/17070))
- Keep `onTouchStart`, `onTouchMove`, and `onWheel` passive. ([@gaearon](https://redirect.github.com/gaearon) in [#19654](https://redirect.github.com/facebook/react/pull/19654))
- Fix `setState` hanging in development inside a closed iframe. ([@gaearon](https://redirect.github.com/gaearon) in [#19220](https://redirect.github.com/facebook/react/pull/19220))
- Fix rendering bailout for lazy components with `defaultProps`. ([@jddxf](https://redirect.github.com/jddxf) in [#18539](https://redirect.github.com/facebook/react/pull/18539))
- Fix a false positive warning when `dangerouslySetInnerHTML` is `undefined`. ([@eps1lon](https://redirect.github.com/eps1lon) in [#18676](https://redirect.github.com/facebook/react/pull/18676))
- Fix Test Utils with non-standard `require` implementation. ([@just-boris](https://redirect.github.com/just-boris) in [#18632](https://redirect.github.com/facebook/react/pull/18632))
- Fix `onBeforeInput` reporting an incorrect `event.type`. ([@eps1lon](https://redirect.github.com/eps1lon) in [#19561](https://redirect.github.com/facebook/react/pull/19561))
- Fix `event.relatedTarget` reported as `undefined` in Firefox. ([@claytercek](https://redirect.github.com/claytercek) in [#19607](https://redirect.github.com/facebook/react/pull/19607))
- Fix "unspecified error" in IE11. ([@hemakshis](https://redirect.github.com/hemakshis) in [#19664](https://redirect.github.com/facebook/react/pull/19664))
- Fix rendering into a shadow root. ([@Jack-Works](https://redirect.github.com/Jack-Works) in [#15894](https://redirect.github.com/facebook/react/pull/15894))
- Fix `movementX/Y` polyfill with capture events. ([@gaearon](https://redirect.github.com/gaearon) in [#19672](https://redirect.github.com/facebook/react/pull/19672))
- Use delegation for `onSubmit` and `onReset` events. ([@gaearon](https://redirect.github.com/gaearon) in [#19333](https://redirect.github.com/facebook/react/pull/19333))
- Improve memory usage. ([@trueadm](https://redirect.github.com/trueadm) in [#18970](https://redirect.github.com/facebook/react/pull/18970))
##### React DOM Server
- Make `useCallback` behavior consistent with `useMemo` for the server renderer. ([@alexmckenley](https://redirect.github.com/alexmckenley) in [#18783](https://redirect.github.com/facebook/react/pull/18783))
- Fix state leaking when a function component throws. ([@pmaccart](https://redirect.github.com/pmaccart) in [#19212](https://redirect.github.com/facebook/react/pull/19212))
##### React Test Renderer
- Improve `findByType` error message. ([@henryqdineen](https://redirect.github.com/henryqdineen) in [#17439](https://redirect.github.com/facebook/react/pull/17439))
##### Concurrent Mode (Experimental)
- Revamp the priority batching heuristics. ([@acdlite](https://redirect.github.com/acdlite) in [#18796](https://redirect.github.com/facebook/react/pull/18796))
- Add the `unstable_` prefix before the experimental APIs. ([@acdlite](https://redirect.github.com/acdlite) in [#18825](https://redirect.github.com/facebook/react/pull/18825))
- Remove `unstable_discreteUpdates` and `unstable_flushDiscreteUpdates`. ([@trueadm](https://redirect.github.com/trueadm) in [#18825](https://redirect.github.com/facebook/react/pull/18825))
- Remove the `timeoutMs` argument. ([@acdlite](https://redirect.github.com/acdlite) in [#19703](https://redirect.github.com/facebook/react/pull/19703))
- Disable `` prerendering in favor of a different future API. ([@acdlite](https://redirect.github.com/acdlite) in [#18917](https://redirect.github.com/facebook/react/pull/18917))
- Add `unstable_expectedLoadTime` to Suspense for CPU-bound trees. ([@acdlite](https://redirect.github.com/acdlite) in [#19936](https://redirect.github.com/facebook/react/pull/19936))
- Add an experimental `unstable_useOpaqueIdentifier` Hook. ([@lunaruan](https://redirect.github.com/lunaruan) in [#17322](https://redirect.github.com/facebook/react/pull/17322))
- Add an experimental `unstable_startTransition` API. ([@rickhanlonii](https://redirect.github.com/rickhanlonii) in [#19696](https://redirect.github.com/facebook/react/pull/19696))
- Using `act` in the test renderer no longer flushes Suspense fallbacks. ([@acdlite](https://redirect.github.com/acdlite) in [#18596](https://redirect.github.com/facebook/react/pull/18596))
- Use global render timeout for CPU Suspense. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#19643](https://redirect.github.com/facebook/react/pull/19643))
- Clear the existing root content before mounting. ([@bvaughn](https://redirect.github.com/bvaughn) in [#18730](https://redirect.github.com/facebook/react/pull/18730))
- Fix a bug with error boundaries. ([@acdlite](https://redirect.github.com/acdlite) in [#18265](https://redirect.github.com/facebook/react/pull/18265))
- Fix a bug causing dropped updates in a suspended tree. ([@acdlite](https://redirect.github.com/acdlite) in [#18384](https://redirect.github.com/facebook/react/pull/18384) and [#18457](https://redirect.github.com/facebook/react/pull/18457))
- Fix a bug causing dropped render phase updates. ([@acdlite](https://redirect.github.com/acdlite) in [#18537](https://redirect.github.com/facebook/react/pull/18537))
- Fix a bug in SuspenseList. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18412](https://redirect.github.com/facebook/react/pull/18412))
- Fix a bug causing Suspense fallback to show too early. ([@acdlite](https://redirect.github.com/acdlite) in [#18411](https://redirect.github.com/facebook/react/pull/18411))
- Fix a bug with class components inside SuspenseList. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18448](https://redirect.github.com/facebook/react/pull/18448))
- Fix a bug with inputs that may cause updates to be dropped. ([@jddxf](https://redirect.github.com/jddxf) in [#18515](https://redirect.github.com/facebook/react/pull/18515) and [@acdlite](https://redirect.github.com/acdlite) in [#18535](https://redirect.github.com/facebook/react/pull/18535))
- Fix a bug causing Suspense fallback to get stuck. ([@acdlite](https://redirect.github.com/acdlite) in [#18663](https://redirect.github.com/facebook/react/pull/18663))
- Don't cut off the tail of a SuspenseList if hydrating. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18854](https://redirect.github.com/facebook/react/pull/18854))
- Fix a bug in `useMutableSource` that may happen when `getSnapshot` changes. ([@bvaughn](https://redirect.github.com/bvaughn) in [#18297](https://redirect.github.com/facebook/react/pull/18297))
- Fix a tearing bug in `useMutableSource`. ([@bvaughn](https://redirect.github.com/bvaughn) in [#18912](https://redirect.github.com/facebook/react/pull/18912))
- Warn if calling setState outside of render but before commit. ([@sebmarkbage](https://redirect.github.com/sebmarkbage) in [#18838](https://redirect.github.com/facebook/react/pull/18838))
### [`v16.14.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#16140-October-14-2020)
[Compare Source](https://redirect.git
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This PR contains the following updates:
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->^18.0.0
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Release Notes
facebook/react (react)
### [`v18.3.1`](https://redirect.github.com/facebook/react/compare/a87edf62d7d69705ddbcec9a24f0780b3db7535f...a87edf62d7d69705ddbcec9a24f0780b3db7535f) [Compare Source](https://redirect.github.com/facebook/react/compare/v18.3.0...v18.3.1) ### [`v18.3.0`](https://redirect.github.com/facebook/react/compare/v18.2.0...a87edf62d7d69705ddbcec9a24f0780b3db7535f) [Compare Source](https://redirect.github.com/facebook/react/compare/v18.2.0...v18.3.0) ### [`v18.2.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1820-June-14-2022) [Compare Source](https://redirect.github.com/facebook/react/compare/v18.1.0...v18.2.0) ##### React DOM - Provide a component stack as a second argument to `onRecoverableError`. ([@gnoff](https://redirect.github.com/gnoff) in [#24591](https://redirect.github.com/facebook/react/pull/24591)) - Fix hydrating into `document` causing a blank page on mismatch. ([@gnoff](https://redirect.github.com/gnoff) in [#24523](https://redirect.github.com/facebook/react/pull/24523)) - Fix false positive hydration errors with Suspense. ([@gnoff](https://redirect.github.com/gnoff) in [#24480](https://redirect.github.com/facebook/react/pull/24480) and [@acdlite](https://redirect.github.com/acdlite) in [#24532](https://redirect.github.com/facebook/react/pull/24532)) - Fix ignored `setState` in Safari when adding an iframe. ([@gaearon](https://redirect.github.com/gaearon) in [#24459](https://redirect.github.com/facebook/react/pull/24459)) ##### React DOM Server - Pass information about server errors to the client. ([@salazarm](https://redirect.github.com/salazarm) and [@gnoff](https://redirect.github.com/gnoff) in [#24551](https://redirect.github.com/facebook/react/pull/24551) and [#24591](https://redirect.github.com/facebook/react/pull/24591)) - Allow to provide a reason when aborting the HTML stream. ([@gnoff](https://redirect.github.com/gnoff) in [#24680](https://redirect.github.com/facebook/react/pull/24680)) - Eliminate extraneous text separators in the HTML where possible. ([@gnoff](https://redirect.github.com/gnoff) in [#24630](https://redirect.github.com/facebook/react/pull/24630)) - Disallow complex children inside `facebook/react (react-dom)
### [`v18.3.1`](https://redirect.github.com/facebook/react/compare/a87edf62d7d69705ddbcec9a24f0780b3db7535f...a87edf62d7d69705ddbcec9a24f0780b3db7535f) [Compare Source](https://redirect.github.com/facebook/react/compare/v18.3.0...v18.3.1) ### [`v18.3.0`](https://redirect.github.com/facebook/react/compare/v18.2.0...a87edf62d7d69705ddbcec9a24f0780b3db7535f) [Compare Source](https://redirect.github.com/facebook/react/compare/v18.2.0...v18.3.0) ### [`v18.2.0`](https://redirect.github.com/facebook/react/blob/HEAD/CHANGELOG.md#1820-June-14-2022) [Compare Source](https://redirect.github.com/facebook/react/compare/v18.1.0...v18.2.0) ##### React DOM - Provide a component stack as a second argument to `onRecoverableError`. ([@gnoff](https://redirect.github.com/gnoff) in [#24591](https://redirect.github.com/facebook/react/pull/24591)) - Fix hydrating into `document` causing a blank page on mismatch. ([@gnoff](https://redirect.github.com/gnoff) in [#24523](https://redirect.github.com/facebook/react/pull/24523)) - Fix false positive hydration errors with Suspense. ([@gnoff](https://redirect.github.com/gnoff) in [#24480](https://redirect.github.com/facebook/react/pull/24480) and [@acdlite](https://redirect.github.com/acdlite) in [#24532](https://redirect.github.com/facebook/react/pull/24532)) - Fix ignored `setState` in Safari when adding an iframe. ([@gaearon](https://redirect.github.com/gaearon) in [#24459](https://redirect.github.com/facebook/react/pull/24459)) ##### React DOM Server - Pass information about server errors to the client. ([@salazarm](https://redirect.github.com/salazarm) and [@gnoff](https://redirect.github.com/gnoff) in [#24551](https://redirect.github.com/facebook/react/pull/24551) and [#24591](https://redirect.github.com/facebook/react/pull/24591)) - Allow to provide a reason when aborting the HTML stream. ([@gnoff](https://redirect.github.com/gnoff) in [#24680](https://redirect.github.com/facebook/react/pull/24680)) - Eliminate extraneous text separators in the HTML where possible. ([@gnoff](https://redirect.github.com/gnoff) in [#24630](https://redirect.github.com/facebook/react/pull/24630)) - Disallow complex children inside `Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about these updates again.
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