Sync with react.dev @ 2b2d0f23

src/components/MDX/Sandpack/Preview.tsx

@@ -113,7 +113,7 @@ export function Preview({
           /**
            * The spinner component transition might be longer than
            * the bundler loading, so we only show the spinner if
-           * it takes more than 1s to load the bundler.
+           * it takes more than 500s to load the bundler.
            */
           timeout = setTimeout(() => {
             setShowLoading(true);

src/content/blog/2024/04/25/react-19-upgrade-guide.md

@@ -353,7 +353,7 @@ npm install react-shallow-renderer --save-dev
 
 ##### Please reconsider shallow rendering {/*please-reconsider-shallow-rendering*/}
 
-Shallow rendering depends on React internals and can block you from future upgrades. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://callstack.github.io/react-native-testing-library/docs/getting-started). 
+Shallow rendering depends on React internals and can block you from future upgrades. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://testing-library.com/docs/react-native-testing-library/intro). 
 
 </Note>
 
@@ -524,7 +524,7 @@ We are deprecating `react-test-renderer` because it implements its own renderer
 
 The test renderer was created before there were more viable testing strategies available like [React Testing Library](https://testing-library.com), and we now recommend using a modern testing library instead.
 
-In React 19, `react-test-renderer` logs a deprecation warning, and has switched to concurrent rendering. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://callstack.github.io/react-native-testing-library/docs/getting-started) for a modern and well supported testing experience.
+In React 19, `react-test-renderer` logs a deprecation warning, and has switched to concurrent rendering. We recommend migrating your tests to [@testing-library/react](https://testing-library.com/docs/react-testing-library/intro/) or [@testing-library/react-native](https://testing-library.com/docs/react-native-testing-library/intro) for a modern and well supported testing experience.
 
 ## Notable changes {/*notable-changes*/}
 

src/content/community/acknowledgements.md

@@ -59,7 +59,7 @@ We'd like to recognize a few people who have made significant contributions to R
 
 This list is not exhaustive.
 
-We'd like to give special thanks to [Tom Occhino](https://github.com/tomocchino) and [Adam Wolff](https://github.com/wolffiex) for their guidance and support over the years. We are also thankful to all the volunteers who [translated React into other languages.](https://translations.reactjs.org/)
+We'd like to give special thanks to [Tom Occhino](https://github.com/tomocchino) and [Adam Wolff](https://github.com/wolffiex) for their guidance and support over the years. We are also thankful to all the volunteers who [translated React into other languages.](https://translations.react.dev/)
 
 ## Additional Thanks {/*additional-thanks*/}
 

src/content/community/conferences.md

@@ -45,6 +45,11 @@ October 25 & 28, 2024. In-person in London, UK + online (hybrid event)
 
 [Website](https://reactadvanced.com/) - [Twitter](https://x.com/reactadvanced)
 
+### React Native London Conf 2024 {/*react-native-london-2024*/}
+November 14 & 15, 2024. In-person in London, UK
+
+[Website](https://reactnativelondon.co.uk/) - [Twitter](https://x.com/RNLConf)
+
 ### React Summit US 2024 {/*react-summit-us-2024*/}
 November 19 & 22, 2024. In-person in New York, USA + online (hybrid event)
 

src/content/community/meetups.md

@@ -30,15 +30,8 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Belo Horizonte](https://www.meetup.com/reactbh/)
 * [Curitiba](https://www.meetup.com/pt-br/ReactJS-CWB/)
 * [Florianópolis](https://www.meetup.com/pt-br/ReactJS-Floripa/)
-* [Goiânia](https://www.meetup.com/pt-br/React-Goiania/)
 * [Joinville](https://www.meetup.com/pt-BR/React-Joinville/)
-* [Juiz de Fora](https://www.meetup.com/pt-br/React-Juiz-de-Fora/)
-* [Maringá](https://www.meetup.com/pt-BR/React-Maringa/)
-* [Porto Alegre](https://www.meetup.com/pt-BR/React-Porto-Alegre/)
-* [Rio de Janeiro](https://www.meetup.com/pt-BR/React-Rio-de-Janeiro/)
-* [Salvador](https://www.meetup.com/pt-BR/ReactSSA)
 * [São Paulo](https://www.meetup.com/pt-BR/ReactJS-SP/)
-* [Vila Velha](https://www.meetup.com/pt-BR/React-ES/)
 
 ## Bolivia {/*bolivia*/}
 * [Bolivia](https://www.meetup.com/ReactBolivia/)
@@ -51,32 +44,20 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Saskatoon, SK](https://www.meetup.com/saskatoon-react-meetup/)
 * [Toronto, ON](https://www.meetup.com/Toronto-React-Native/events/)
 
-## Chile {/*chile*/}
-* [Santiago](https://www.meetup.com/es-ES/react-santiago/)
-
-## China {/*china*/}
-* [Beijing](https://www.meetup.com/Beijing-ReactJS-Meetup/)
-
 ## Colombia {/*colombia*/}
-* [Bogotá](https://www.meetup.com/meetup-group-iHIeHykY/)
 * [Medellin](https://www.meetup.com/React-Medellin/)
-* [Cali](https://www.meetup.com/reactcali/)
 
 ## Denmark {/*denmark*/}
 * [Aalborg](https://www.meetup.com/Aalborg-React-React-Native-Meetup/)
 * [Aarhus](https://www.meetup.com/Aarhus-ReactJS-Meetup/)
 
-## Egypt {/*egypt*/}
-* [Cairo](https://www.meetup.com/react-cairo/)
-
 ## England (UK) {/*england-uk*/}
 * [Manchester](https://www.meetup.com/Manchester-React-User-Group/)
 * [React.JS Girls London](https://www.meetup.com/ReactJS-Girls-London/)
 * [React Advanced London](https://guild.host/react-advanced-london)
 * [React Native London](https://guild.host/RNLDN)
 
 ## France {/*france*/}
-* [Nantes](https://www.meetup.com/React-Nantes/)
 * [Lille](https://www.meetup.com/ReactBeerLille/)
 * [Paris](https://www.meetup.com/ReactJS-Paris/)
 
@@ -93,9 +74,6 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Athens](https://www.meetup.com/React-To-React-Athens-MeetUp/)
 * [Thessaloniki](https://www.meetup.com/Thessaloniki-ReactJS-Meetup/)
 
-## Hungary {/*hungary*/}
-* [Budapest](https://www.meetup.com/React-Budapest/)
-
 ## India {/*india*/}
 * [Ahmedabad](https://www.meetup.com/react-ahmedabad/)
 * [Bangalore (React)](https://www.meetup.com/ReactJS-Bangalore/)
@@ -117,6 +95,9 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 ## Italy {/*italy*/}
 * [Milan](https://www.meetup.com/React-JS-Milano/)
 
+## Japan {/*japan*/}
+* [Osaka](https://react-osaka.connpass.com/)
+
 ## Kenya {/*kenya*/}
 * [Nairobi - Reactdevske](https://kommunity.com/reactjs-developer-community-kenya-reactdevske)
 
@@ -138,12 +119,6 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Karachi](https://www.facebook.com/groups/902678696597634/)
 * [Lahore](https://www.facebook.com/groups/ReactjsLahore/)
 
-## Panama {/*panama*/}
-* [Panama](https://www.meetup.com/React-Panama/)
-
-## Peru {/*peru*/}
-* [Lima](https://www.meetup.com/ReactJS-Peru/)
-
 ## Philippines {/*philippines*/}
 * [Manila](https://www.meetup.com/reactjs-developers-manila/)
 * [Manila - ReactJS PH](https://www.meetup.com/ReactJS-Philippines/)
@@ -160,7 +135,6 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 
 ## Spain {/*spain*/}
 * [Barcelona](https://www.meetup.com/ReactJS-Barcelona/)
-* [Canarias](https://www.meetup.com/React-Canarias/)
 
 ## Sweden {/*sweden*/}
 * [Goteborg](https://www.meetup.com/ReactJS-Goteborg/)
@@ -176,7 +150,6 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Kyiv](https://www.meetup.com/Kyiv-ReactJS-Meetup)
 
 ## US {/*us*/}
-* [Ann Arbor, MI - ReactJS](https://www.meetup.com/AnnArbor-jsx/)
 * [Atlanta, GA - ReactJS](https://www.meetup.com/React-ATL/)
 * [Austin, TX - ReactJS](https://www.meetup.com/ReactJS-Austin-Meetup/)
 * [Boston, MA - ReactJS](https://www.meetup.com/ReactJS-Boston/)
@@ -187,7 +160,6 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Cleveland, OH - ReactJS](https://www.meetup.com/Cleveland-React/)
 * [Columbus, OH - ReactJS](https://www.meetup.com/ReactJS-Columbus-meetup/)
 * [Dallas, TX - ReactJS](https://www.meetup.com/ReactDallas/)
-* [Dallas, TX - [Remote] React JS](https://www.meetup.com/React-JS-Group/)
 * [Detroit, MI - Detroit React User Group](https://www.meetup.com/Detroit-React-User-Group/)
 * [Indianapolis, IN - React.Indy](https://www.meetup.com/React-Indy)
 * [Irvine, CA - ReactJS](https://www.meetup.com/ReactJS-OC/)
@@ -197,27 +169,19 @@ Do you have a local React.js meetup? Add it here! (Please keep the list alphabet
 * [Los Angeles, CA - ReactJS](https://www.meetup.com/socal-react/)
 * [Los Angeles, CA - React Native](https://www.meetup.com/React-Native-Los-Angeles/)
 * [Miami, FL - ReactJS](https://www.meetup.com/React-Miami/)
-* [Nashville, TN - ReactJS](https://www.meetup.com/NashReact-Meetup/)
 * [New York, NY - ReactJS](https://www.meetup.com/NYC-Javascript-React-Group/)
 * [New York, NY - React Ladies](https://www.meetup.com/React-Ladies/)
 * [New York, NY - React Native](https://www.meetup.com/React-Native-NYC/)
 * [New York, NY - useReactNYC](https://www.meetup.com/useReactNYC/)
 * [New York, NY - React.NYC](https://guild.host/react-nyc)
-* [Omaha, NE - ReactJS/React Native](https://www.meetup.com/omaha-react-meetup-group/)
 * [Palo Alto, CA - React Native](https://www.meetup.com/React-Native-Silicon-Valley/)
-* [Philadelphia, PA - ReactJS](https://www.meetup.com/Reactadelphia/)
 * [Phoenix, AZ - ReactJS](https://www.meetup.com/ReactJS-Phoenix/)
-* [Pittsburgh, PA - ReactJS/React Native](https://www.meetup.com/ReactPgh/)
-* [Portland, OR - ReactJS](https://www.meetup.com/Portland-ReactJS/)
 * [Provo, UT - ReactJS](https://www.meetup.com/ReactJS-Utah/)
-* [Sacramento, CA - ReactJS](https://www.meetup.com/Sacramento-ReactJS-Meetup/)
 * [San Diego, CA - San Diego JS](https://www.meetup.com/sandiegojs/)
 * [San Francisco - Real World React](https://www.meetup.com/Real-World-React)
 * [San Francisco - ReactJS](https://www.meetup.com/ReactJS-San-Francisco/)
 * [San Francisco, CA - React Native](https://www.meetup.com/React-Native-San-Francisco/)
-* [San Ramon, CA - TriValley Coders](https://www.meetup.com/trivalleycoders/)
 * [Santa Monica, CA - ReactJS](https://www.meetup.com/Los-Angeles-ReactJS-User-Group/)
-* [Seattle, WA - React Native](https://www.meetup.com/Seattle-React-Native-Meetup/)
 * [Seattle, WA - ReactJS](https://www.meetup.com/seattle-react-js/)
 * [Tampa, FL - ReactJS](https://www.meetup.com/ReactJS-Tampa-Bay/)
 * [Tucson, AZ - ReactJS](https://www.meetup.com/Tucson-ReactJS-Meetup/)

src/content/learn/manipulating-the-dom-with-refs.md

@@ -124,35 +124,35 @@ export default function CatFriends() {
     <>
       <nav>
         <button onClick={handleScrollToFirstCat}>
-          Tom
+          Neo
         </button>
         <button onClick={handleScrollToSecondCat}>
-          Maru
+          Millie
         </button>
         <button onClick={handleScrollToThirdCat}>
-          Jellylorum
+          Bella
         </button>
       </nav>
       <div>
         <ul>
           <li>
             <img
-              src="https://placekitten.com/g/200/200"
-              alt="Tom"
+              src="https://placecats.com/neo/300/200"
+              alt="Neo"
               ref={firstCatRef}
             />
           </li>
           <li>
             <img
-              src="https://placekitten.com/g/300/200"
-              alt="Maru"
+              src="https://placecats.com/millie/200/200"
+              alt="Millie"
               ref={secondCatRef}
             />
           </li>
           <li>
             <img
-              src="https://placekitten.com/g/250/200"
-              alt="Jellylorum"
+              src="https://placecats.com/bella/199/200"
+              alt="Bella"
               ref={thirdCatRef}
             />
           </li>
@@ -245,9 +245,9 @@ export default function CatFriends() {
   return (
     <>
       <nav>
-        <button onClick={() => scrollToCat(catList[0])}>Tom</button>
-        <button onClick={() => scrollToCat(catList[5])}>Maru</button>
-        <button onClick={() => scrollToCat(catList[9])}>Jellylorum</button>
+        <button onClick={() => scrollToCat(catList[0])}>Neo</button>
+        <button onClick={() => scrollToCat(catList[5])}>Millie</button>
+        <button onClick={() => scrollToCat(catList[9])}>Bella</button>
       </nav>
       <div>
         <ul>
@@ -948,7 +948,7 @@ const catList = [];
 for (let i = 0; i < 10; i++) {
   catList.push({
     id: i,
-    imageUrl: 'https://placekitten.com/250/200?image=' + i
+    imageUrl: 'https://loremflickr.com/250/200/cat?lock=' + i
   });
 }
 
@@ -1065,7 +1065,7 @@ const catList = [];
 for (let i = 0; i < 10; i++) {
   catList.push({
     id: i,
-    imageUrl: 'https://placekitten.com/250/200?image=' + i
+    imageUrl: 'https://loremflickr.com/250/200/cat?lock=' + i
   });
 }
 

src/content/learn/react-compiler.md

@@ -20,8 +20,6 @@ These docs are still a work in progress. More documentation is available in the
 
 <Note>
 React Compiler is a new experimental compiler that we've open sourced to get early feedback from the community. It still has rough edges and is not yet fully ready for production.
-
-React Compiler requires React 19 RC. If you are unable to upgrade to React 19, you may try a userspace implementation of the cache function as described in the [Working Group](https://github.com/reactwg/react-compiler/discussions/6). However, please note that this is not recommended and you should upgrade to React 19 when possible.
 </Note>
 
 React Compiler is a new experimental compiler that we've open sourced to get early feedback from the community. It is a build-time only tool that automatically optimizes your React app. It works with plain JavaScript, and understands the [Rules of React](/reference/rules), so you don't need to rewrite any code to use it.
@@ -226,6 +224,29 @@ module.exports = function () {
 
 `babel-plugin-react-compiler` should run first before other Babel plugins as the compiler requires the input source information for sound analysis.
 
+React Compiler works best with React 19 RC. If you are unable to upgrade, you can install the extra `react-compiler-runtime` package which will allow the compiled code to run on versions prior to 19. However, note that the minimum supported version is 17.
+
+<TerminalBlock>
+npm install react-compiler-runtime@experimental
+</TerminalBlock>
+
+You should also add the correct `target` to your compiler config, where `target` is the major version of React you are targeting:
+
+```js {3}
+// babel.config.js
+const ReactCompilerConfig = {
+  target: '18' // '17' | '18' | '19'
+};
+
+module.exports = function () {
+  return {
+    plugins: [
+      ['babel-plugin-react-compiler', ReactCompilerConfig],
+    ],
+  };
+};
+```
+
 ### Vite {/*usage-with-vite*/}
 
 If you use Vite, you can add the plugin to vite-plugin-react:

src/content/learn/synchronizing-with-effects.md

@@ -627,7 +627,7 @@ See the examples below for how to handle common patterns.
 
 ### Controlling non-React widgets {/*controlling-non-react-widgets*/}
 
-Sometimes you need to add UI widgets that aren't written to React. For example, let's say you're adding a map component to your page. It has a `setZoomLevel()` method, and you'd like to keep the zoom level in sync with a `zoomLevel` state variable in your React code. Your Effect would look similar to this:
+Sometimes you need to add UI widgets that aren't written in React. For example, let's say you're adding a map component to your page. It has a `setZoomLevel()` method, and you'd like to keep the zoom level in sync with a `zoomLevel` state variable in your React code. Your Effect would look similar to this:
 
 ```js
 useEffect(() => {

src/content/learn/updating-objects-in-state.md

@@ -57,6 +57,7 @@ This example holds an object in state to represent the current pointer position.
 
 ```js
 import { useState } from 'react';
+
 export default function MovingDot() {
   const [position, setPosition] = useState({
     x: 0,
@@ -127,6 +128,7 @@ Notice how the red dot now follows your pointer when you touch or hover over the
 
 ```js
 import { useState } from 'react';
+
 export default function MovingDot() {
   const [position, setPosition] = useState({
     x: 0,
@@ -377,7 +379,7 @@ Note that the `...` spread syntax is "shallow"--it only copies things one level
 
 #### Using a single event handler for multiple fields {/*using-a-single-event-handler-for-multiple-fields*/}
 
-You can also use the `[` and `]` braces inside your object definition to specify a property with dynamic name. Here is the same example, but with a single event handler instead of three different ones:
+You can also use the `[` and `]` braces inside your object definition to specify a property with a dynamic name. Here is the same example, but with a single event handler instead of three different ones:
 
 <Sandpack>
 

src/content/reference/react-dom/preinitModule.md

@@ -51,7 +51,7 @@ The `preinitModule` function provides the browser with a hint that it should sta
 
 #### Parameters {/*parameters*/}
 
-* `href`: a string. The URL of the module you want to download and exeucute.
+* `href`: a string. The URL of the module you want to download and execute.
 * `options`: an object. It contains the following properties:
   *  `as`: a required string. It must be `'script'`.
   *  `crossOrigin`: a string. The [CORS policy](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/crossorigin) to use. Its possible values are `anonymous` and `use-credentials`.

src/content/reference/react-dom/server/renderToPipeableStream.md

@@ -57,7 +57,7 @@ On the client, call [`hydrateRoot`](/reference/react-dom/client/hydrateRoot) to
   * **optional** `nonce`: A [`nonce`](http://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#nonce) string to allow scripts for [`script-src` Content-Security-Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src).
   * **optional** `onAllReady`: A callback that fires when all rendering is complete, including both the [shell](#specifying-what-goes-into-the-shell) and all additional [content.](#streaming-more-content-as-it-loads) You can use this instead of `onShellReady` [for crawlers and static generation.](#waiting-for-all-content-to-load-for-crawlers-and-static-generation) If you start streaming here, you won't get any progressive loading. The stream will contain the final HTML.
   * **optional** `onError`: A callback that fires whenever there is a server error, whether [recoverable](#recovering-from-errors-outside-the-shell) or [not.](#recovering-from-errors-inside-the-shell) By default, this only calls `console.error`. If you override it to [log crash reports,](#logging-crashes-on-the-server) make sure that you still call `console.error`. You can also use it to [adjust the status code](#setting-the-status-code) before the shell is emitted.
-  * **optional** `onShellReady`: A callback that fires right after the [initial shell](#specifying-what-goes-into-the-shell) has been rendered. You can [set the status code](#setting-the-status-code) and call `pipe` here to start streaming. React will [stream the additional content](#streaming-more-content-as-it-loads) after the shell along with the inline `<script>` tags that place that replace the HTML loading fallbacks with the content.
+  * **optional** `onShellReady`: A callback that fires right after the [initial shell](#specifying-what-goes-into-the-shell) has been rendered. You can [set the status code](#setting-the-status-code) and call `pipe` here to start streaming. React will [stream the additional content](#streaming-more-content-as-it-loads) after the shell along with the inline `<script>` tags that replace the HTML loading fallbacks with the content.
   * **optional** `onShellError`: A callback that fires if there was an error rendering the initial shell.  It receives the error as an argument. No bytes were emitted from the stream yet, and neither `onShellReady` nor `onAllReady` will get called, so you can [output a fallback HTML shell.](#recovering-from-errors-inside-the-shell)
   * **optional** `progressiveChunkSize`: The number of bytes in a chunk. [Read more about the default heuristic.](https://github.com/facebook/react/blob/14c2be8dac2d5482fda8a0906a31d239df8551fc/packages/react-server/src/ReactFizzServer.js#L210-L225)