react changelog

Changelog History

Page 1

• v17.0.2 Changes

  March 22, 2021

  React DOM

  • ✂ Remove an unused dependency to address the SharedArrayBuffer cross-origin isolation warning. (@koba04 and @bvaughn in #20831, #20832, and #20840)

• v17.0.1 Changes

  October 22, 2020

  React DOM

  • 🛠 Fix a crash in IE11. (@gaearon in #20071)

• v17.0.0 Changes

  October 20, 2020

  Today, we are releasing React 17!

  ⚡️ Learn more about React 17 and how to update to it on the official React blog.

  React

  • ➕ Add react/jsx-runtime and react/jsx-dev-runtime for the new JSX transform. (@lunaruan in #18299)
  • 🏗 Build component stacks from native error frames. (@sebmarkbage in #18561)
  • 👍 Allow to specify displayName on context for improved stacks. (@eps1lon in #18224)
  • Prevent 'use strict' from leaking in the UMD bundles. (@koba04 in #19614)
  • Stop using fb.me for redirects. (@cylim in #19598)

  React DOM

  • Delegate events to roots instead of document. (@trueadm in #18195 and others)
  • Clean up all effects before running any next effects. (@bvaughn in #17947)
  • 👀 Run useEffect cleanup functions asynchronously. (@bvaughn in #17925)
  • 💻 Use browser focusin and focusout for onFocus and onBlur. (@trueadm in #19186)
  • 💻 Make all Capture events use the browser capture phase. (@trueadm in #19221)
  • Don't emulate bubbling of the onScroll event. (@gaearon in #19464)
  • Throw if forwardRef or memo component returns undefined. (@gaearon in #19550)
  • ✂ Remove event pooling. (@trueadm in #18969)
  • 🌐 Stop exposing internals that won’t be needed by React Native Web. (@necolas in #18483)
  • Attach all known event listeners when the root mounts. (@gaearon in #19659)
  • Disable console in the second render pass of DEV mode double render. (@sebmarkbage in #18547)
  • ✅ Deprecate the undocumented and misleading ReactTestUtils.SimulateNative API. (@gaearon in #13407)
  • 📇 Rename private field names used in the internals. (@gaearon in #18377)
  • Don't call User Timing API in development. (@gaearon in #18417)
  • Disable console during the repeated render in Strict Mode. (@sebmarkbage in #18547)
  • In Strict Mode, double-render components without Hooks too. (@eps1lon in #18430)
  • 👍 Allow calling ReactDOM.flushSync during lifecycle methods (but warn). (@sebmarkbage in #18759)
  • ➕ Add the code property to the keyboard event objects. (@bl00mber in #18287)
  • ➕ Add the disableRemotePlayback property for video elements. (@tombrowndev in #18619)
  • ➕ Add the enterKeyHint property for input elements. (@eps1lon in #18634)
  • Warn when no value is provided to <Context.Provider>. (@charlie1404 in #19054)
  • Warn when memo or forwardRef components return undefined. (@bvaughn in #19550)
  • 👌 Improve the error message for invalid updates. (@JoviDeCroock in #18316)
  • Exclude forwardRef and memo from stack frames. (@sebmarkbage in #18559)
  • 👌 Improve the error message when switching between controlled and uncontrolled inputs. (@vcarl in #17070)
  • 🚚 Keep onTouchStart, onTouchMove, and onWheel passive. (@gaearon in #19654)
  • 🛠 Fix setState hanging in development inside a closed iframe. (@gaearon in #19220)
  • 🛠 Fix rendering bailout for lazy components with defaultProps. (@jddxf in #18539)
  • 🛠 Fix a false positive warning when dangerouslySetInnerHTML is undefined. (@eps1lon in #18676)
  • 🛠 Fix Test Utils with non-standard require implementation. (@just-boris in #18632)
  • 🛠 Fix onBeforeInput reporting an incorrect event.type. (@eps1lon in #19561)
  • 🛠 Fix event.relatedTarget reported as undefined in Firefox. (@claytercek in #19607)
  • 🛠 Fix "unspecified error" in IE11. (@hemakshis in #19664)
  • 🛠 Fix rendering into a shadow root. (@Jack-Works in #15894)
  • 🛠 Fix movementX/Y polyfill with capture events. (@gaearon in #19672)
  • 👉 Use delegation for onSubmit and onReset events. (@gaearon in #19333)
  • 👌 Improve memory usage. (@trueadm in #18970)

  React DOM Server

  • 👉 Make useCallback behavior consistent with useMemo for the server renderer. (@alexmckenley in #18783)
  • 🛠 Fix state leaking when a function component throws. (@pmaccart in #19212)

  ✅ React Test Renderer

  • 👌 Improve findByType error message. (@henryqdineen in #17439)

  Concurrent Mode (Experimental)

  • Revamp the priority batching heuristics. (@acdlite in #18796)
  • ➕ Add the unstable_ prefix before the experimental APIs. (@acdlite in #18825)
  • ⚡️ Remove unstable_discreteUpdates and unstable_flushDiscreteUpdates. (@trueadm in #18825)
  • ✂ Remove the timeoutMs argument. (@acdlite in #19703)
  • Disable <div hidden /> prerendering in favor of a different future API. (@acdlite in #18917)
  • ➕ Add unstable_expectedLoadTime to Suspense for CPU-bound trees. (@acdlite in #19936)
  • ➕ Add an experimental unstable_useOpaqueIdentifier Hook. (@lunaruan in #17322)
  • ➕ Add an experimental unstable_startTransition API. (@rickhanlonii in #19696)
  • ✅ Using act in the test renderer no longer flushes Suspense fallbacks. (@acdlite in #18596)
  • ⏱ Use global render timeout for CPU Suspense. (@sebmarkbage in #19643)
  • Clear the existing root content before mounting. (@bvaughn in #18730)
  • 🛠 Fix a bug with error boundaries. (@acdlite in #18265)
  • 🛠 Fix a bug causing dropped updates in a suspended tree. (@acdlite in #18384 and #18457)
  • 🛠 Fix a bug causing dropped render phase updates. (@acdlite in #18537)
  • 🛠 Fix a bug in SuspenseList. (@sebmarkbage in #18412)
  • 🛠 Fix a bug causing Suspense fallback to show too early. (@acdlite in #18411)
  • 🛠 Fix a bug with class components inside SuspenseList. (@sebmarkbage in #18448)
  • 🛠 Fix a bug with inputs that may cause updates to be dropped. (@jddxf in #18515 and @acdlite in #18535)
  • 🛠 Fix a bug causing Suspense fallback to get stuck. (@acdlite in #18663)
  • Don't cut off the tail of a SuspenseList if hydrating. (@sebmarkbage in #18854)
  • 🛠 Fix a bug in useMutableSource that may happen when getSnapshot changes. (@bvaughn in #18297)
  • 🛠 Fix a tearing bug in useMutableSource. (@bvaughn in #18912)
  • Warn if calling setState outside of render but before commit. (@sebmarkbage in #18838)

  Artifacts

  • react: https://unpkg.com/[email protected]/umd/
  • react-art: https://unpkg.com/[email protected]/umd/
  • react-dom: https://unpkg.com/[email protected]/umd/
  • react-is: https://unpkg.com/[email protected]/umd/
  • ✅ react-test-renderer: https://unpkg.com/[email protected]/umd/
  • ⏱ scheduler: https://unpkg.com/[email protected]/umd/

• v16.14.0 Changes

  October 14, 2020

  React

  • ➕ Add support for the new JSX transform. (@lunaruan in #18299)

• v16.13.1 Changes

  March 19, 2020

  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 in #18238)
  • ⚡️ Revert warning for cross-component updates that happen inside class render lifecycles (componentWillReceiveProps, shouldComponentUpdate, and so on). (@gaearon in #18330)

  Artifacts

  • react: https://unpkg.com/[email protected]/umd/
  • react-art: https://unpkg.com/[email protected]/umd/
  • react-dom: https://unpkg.com/[email protected]/umd/
  • react-is: https://unpkg.com/[email protected]/umd/
  • ✅ react-test-renderer: https://unpkg.com/[email protected]/umd/
  • ⏱ scheduler: https://unpkg.com/[email protected]/umd/

• v16.13.0 Changes

  February 26, 2020

  React

  • Warn when a string ref is used in a manner that's not amenable to a future codemod (@lunaruan in #17864)
  • 🗄 Deprecate React.createFactory() (@trueadm in #17878)

  React DOM

  • 💅 Warn when changes in style may cause an unexpected collision (@sophiebits in #14181, #18002)
  • ⚡️ Warn when a function component is updated during another component's render phase (@acdlite in #17099)
  • 🗄 Deprecate unstable_createPortal (@trueadm in #17880)
  • 🛠 Fix onMouseEnter being fired on disabled buttons (@AlfredoGJ in #17675)
  • ⚡️ Call shouldComponentUpdate twice when developing in StrictMode (@bvaughn in #17942)
  • ➕ Add version property to ReactDOM (@ealush in #15780)
  • Don't call toString() of dangerouslySetInnerHTML (@sebmarkbage in #17773)
  • ⚠ Show component stacks in more warnings (@gaearon in #17922, #17586)

  Concurrent Mode (Experimental)

  • Warn for problematic usages of ReactDOM.createRoot() (@trueadm in #17937)
  • ✂ Remove ReactDOM.createRoot() callback params and added warnings on usage (@bvaughn in #17916)
  • Don't group Idle/Offscreen work with other work (@sebmarkbage in #17456)
  • Adjust SuspenseList CPU bound heuristic (@sebmarkbage in #17455)
  • ➕ Add missing event plugin priorities (@trueadm in #17914)
  • 🛠 Fix isPending only being true when transitioning from inside an input event (@acdlite in #17382)
  • 🛠 Fix React.memo components dropping updates when interrupted by a higher priority update (@acdlite in #18091)
  • Don't warn when suspending at the wrong priority (@gaearon in #17971)
  • 🛠 Fix a bug with rebasing updates (@acdlite and @sebmarkbage in #17560, #17510, #17483, #17480)

  Artifacts

  • react: https://unpkg.com/[email protected]/umd/
  • react-art: https://unpkg.com/[email protected]/umd/
  • react-dom: https://unpkg.com/[email protected]/umd/
  • react-is: https://unpkg.com/[email protected]/umd/
  • ✅ react-test-renderer: https://unpkg.com/[email protected]/umd/
  • ⏱ scheduler: https://unpkg.com/[email protected]/umd/

• v16.12.0 Changes

  November 14, 2019

  React DOM

  • 🛠 Fix passive effects (useEffect) not being fired in a multi-root app. (@acdlite in #17347)

  React Is

  • 🛠 Fix lazy and memo types considered elements instead of components (@bvaughn in #17278)

  Artifacts

  • react: https://unpkg.com/[email protected]/umd/
  • react-art: https://unpkg.com/[email protected]/umd/
  • react-dom: https://unpkg.com/[email protected]/umd/
  • react-is: https://unpkg.com/[email protected]/umd/
  ✅ • react-test-renderer: https://unpkg.com/[email protected]/umd/
  ⏱ • scheduler: https://unpkg.com/[email protected]/umd/

• v16.11.0 Changes

  October 22, 2019

  React DOM

  • 🛠 Fix mouseenter handlers from firing twice inside nested React containers. @yuanoook in #16928
  • Remove unstable_createRoot and unstable_createSyncRoot experimental APIs. (These are available in the Experimental channel as createRoot and createSyncRoot.) (@acdlite in #17088)

  Artifacts

  • react: https://unpkg.com/[email protected]/umd/
  • react-art: https://unpkg.com/[email protected]/umd/
  • react-dom: https://unpkg.com/[email protected]/umd/
  • react-is: https://unpkg.com/[email protected]/umd/
  ✅ • react-test-renderer: https://unpkg.com/[email protected]/umd/
  ⏱ • scheduler: https://unpkg.com/[email protected]/umd/

• v16.10.2 Changes

  October 03, 2019

  React DOM

  • 🛠 Fix regression in react-native-web by restoring order of arguments in event plugin extractors (@necolas in #16978)

  Artifacts

  • react: https://unpkg.com/[email protected]/umd/
  • react-art: https://unpkg.com/[email protected]/umd/
  • react-dom: https://unpkg.com/[email protected]/umd/
  • react-is: https://unpkg.com/[email protected]/umd/
  ✅ • react-test-renderer: https://unpkg.com/[email protected]/umd/
  ⏱ • scheduler: https://unpkg.com/[email protected]/umd/

• v16.10.1 Changes

  September 28, 2019

  React DOM

  • 🛠 Fix regression in Next.js apps by allowing Suspense mismatch during hydration to silently proceed (@sebmarkbage in #16943)

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