Merge branch 'main' of https://github.com/reactjs/reactjs.org into sync-49ebed1b

Author: docschina-bot

src/components/Layout/Feedback.tsx

@@ -45,14 +45,15 @@ const thumbsDownIcon = (
 );
 
 function sendGAEvent(isPositive: boolean) {
+  const category = isPositive ? 'like_button' : 'dislike_button';
   const value = isPositive ? 1 : 0;
   // Fragile. Don't change unless you've tested the network payload
   // and verified that the right events actually show up in GA.
   // @ts-ignore
   gtag('event', 'feedback', {
-    event_category: 'button',
+    event_category: category,
     event_label: window.location.pathname,
-    value,
+    event_value: value,
   });
 }
 

src/content/reference/react/useOptimistic.md

@@ -116,7 +116,7 @@ export default function App() {
   ]);
   async function sendMessage(formData) {
     const sentMessage = await deliverMessage(formData.get("message"));
-    setMessages([...messages, { text: sentMessage }]);
+    setMessages((messages) => [...messages, { text: sentMessage }]);
   }
   return <Thread messages={messages} sendMessage={sendMessage} />;
 }