Upgrade React from b4477d38-20250605 to 280ff6fe-20250606 (#80263)

Co-authored-by: Sebastian Sebbie Silbermann <[email protected]>

Author: vercel-release-bot

package.json

@@ -233,16 +233,16 @@
     "pretty-ms": "7.0.0",
     "random-seed": "0.3.0",
     "react": "19.0.0",
-    "react-builtin": "npm:[email protected]14094f80-20250529",
+    "react-builtin": "npm:[email protected]280ff6fe-20250606",
     "react-dom": "19.0.0",
-    "react-dom-builtin": "npm:[email protected]14094f80-20250529",
-    "react-dom-experimental-builtin": "npm:[email protected]14094f80-20250529",
-    "react-experimental-builtin": "npm:[email protected]14094f80-20250529",
-    "react-is-builtin": "npm:[email protected]14094f80-20250529",
-    "react-server-dom-turbopack": "19.2.0-canary-14094f80-20250529",
-    "react-server-dom-turbopack-experimental": "npm:[email protected]14094f80-20250529",
-    "react-server-dom-webpack": "19.2.0-canary-14094f80-20250529",
-    "react-server-dom-webpack-experimental": "npm:[email protected]14094f80-20250529",
+    "react-dom-builtin": "npm:[email protected]280ff6fe-20250606",
+    "react-dom-experimental-builtin": "npm:[email protected]280ff6fe-20250606",
+    "react-experimental-builtin": "npm:[email protected]280ff6fe-20250606",
+    "react-is-builtin": "npm:[email protected]280ff6fe-20250606",
+    "react-server-dom-turbopack": "19.2.0-canary-280ff6fe-20250606",
+    "react-server-dom-turbopack-experimental": "npm:[email protected]280ff6fe-20250606",
+    "react-server-dom-webpack": "19.2.0-canary-280ff6fe-20250606",
+    "react-server-dom-webpack-experimental": "npm:[email protected]280ff6fe-20250606",
     "react-ssr-prepass": "1.0.8",
     "react-virtualized": "9.22.3",
     "relay-compiler": "13.0.2",
@@ -252,8 +252,8 @@
     "resolve-from": "5.0.0",
     "sass": "1.54.0",
     "satori": "0.12.2",
-    "scheduler-builtin": "npm:[email protected]14094f80-20250529",
-    "scheduler-experimental-builtin": "npm:[email protected]14094f80-20250529",
+    "scheduler-builtin": "npm:[email protected]280ff6fe-20250606",
+    "scheduler-experimental-builtin": "npm:[email protected]280ff6fe-20250606",
     "seedrandom": "3.0.5",
     "semver": "7.3.7",
     "shell-quote": "1.7.3",
@@ -296,10 +296,10 @@
       "@types/react-dom": "19.1.2",
       "@types/retry": "0.12.0",
       "jest-snapshot": "30.0.0-alpha.6",
-      "react": "19.2.0-canary-14094f80-20250529",
-      "react-dom": "19.2.0-canary-14094f80-20250529",
-      "react-is": "19.2.0-canary-14094f80-20250529",
-      "scheduler": "0.27.0-canary-14094f80-20250529"
+      "react": "19.2.0-canary-280ff6fe-20250606",
+      "react-dom": "19.2.0-canary-280ff6fe-20250606",
+      "react-is": "19.2.0-canary-280ff6fe-20250606",
+      "scheduler": "0.27.0-canary-280ff6fe-20250606"
     },
     "patchedDependencies": {
       "[email protected]": "patches/[email protected]",

packages/next/src/compiled/react-dom-experimental/cjs/react-dom-client.development.js

@@ -2381,7 +2381,7 @@ function getViewTransitionName(props, instance) {
   if (null !== instance.autoName) return instance.autoName;
   props = pendingEffectsRoot.identifierPrefix;
   var globalClientId = globalClientIdCounter$1++;
-  props = "\u00ab" + props + "t" + globalClientId.toString(32) + "\u00bb";
+  props = "_" + props + "t_" + globalClientId.toString(32) + "_";
   return (instance.autoName = props);
 }
 function getClassNameByType(classByType) {
@@ -4610,7 +4610,13 @@ function findFirstSuspended(row) {
           isSuspenseInstanceFallback(state))
       )
         return node;
-    } else if (19 === node.tag && void 0 !== node.memoizedProps.revealOrder) {
+    } else if (
+      19 === node.tag &&
+      ("forwards" === node.memoizedProps.revealOrder ||
+        "backwards" === node.memoizedProps.revealOrder ||
+        "unstable_legacy-backwards" === node.memoizedProps.revealOrder ||
+        "together" === node.memoizedProps.revealOrder)
+    ) {
       if (0 !== (node.flags & 128)) return node;
     } else if (null !== node.child) {
       node.child.return = node;
@@ -6002,19 +6008,19 @@ var HooksDispatcherOnMount = {
             idWithLeadingBit & ~(1 << (32 - clz32(idWithLeadingBit) - 1))
           ).toString(32) + JSCompiler_inline_result;
         identifierPrefix =
-          "\u00ab" + identifierPrefix + "R" + JSCompiler_inline_result;
+          "_" + identifierPrefix + "R_" + JSCompiler_inline_result;
         JSCompiler_inline_result = localIdCounter++;
         0 < JSCompiler_inline_result &&
           (identifierPrefix += "H" + JSCompiler_inline_result.toString(32));
-        identifierPrefix += "\u00bb";
+        identifierPrefix += "_";
       } else
         (JSCompiler_inline_result = globalClientIdCounter++),
           (identifierPrefix =
-            "\u00ab" +
+            "_" +
             identifierPrefix +
-            "r" +
+            "r_" +
             JSCompiler_inline_result.toString(32) +
-            "\u00bb");
+            "_");
       return (hook.memoizedState = identifierPrefix);
     },
     useHostTransitionStatus: useHostTransitionStatus,
@@ -7532,6 +7538,7 @@ function updateSuspenseListComponent(current, workInProgress, renderLanes) {
       );
       break;
     case "backwards":
+    case "unstable_legacy-backwards":
       renderLanes = null;
       revealOrder = workInProgress.child;
       for (workInProgress.child = null; null !== revealOrder; ) {
@@ -19132,14 +19139,14 @@ ReactDOMHydrationRoot.prototype.unstable_scheduleHydration = function (target) {
 };
 var isomorphicReactPackageVersion$jscomp$inline_2180 = React.version;
 if (
-  "19.2.0-experimental-14094f80-20250529" !==
+  "19.2.0-experimental-280ff6fe-20250606" !==
   isomorphicReactPackageVersion$jscomp$inline_2180
 )
   throw Error(
     formatProdErrorMessage(
       527,
       isomorphicReactPackageVersion$jscomp$inline_2180,
-      "19.2.0-experimental-14094f80-20250529"
+      "19.2.0-experimental-280ff6fe-20250606"
     )
   );
 ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
@@ -19161,10 +19168,10 @@ ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
 };
 var internals$jscomp$inline_2865 = {
   bundleType: 0,
-  version: "19.2.0-experimental-14094f80-20250529",
+  version: "19.2.0-experimental-280ff6fe-20250606",
   rendererPackageName: "react-dom",
   currentDispatcherRef: ReactSharedInternals,
-  reconcilerVersion: "19.2.0-experimental-14094f80-20250529"
+  reconcilerVersion: "19.2.0-experimental-280ff6fe-20250606"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_2866 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
@@ -19271,4 +19278,4 @@ exports.hydrateRoot = function (container, initialChildren, options) {
   listenToAllSupportedEvents(container);
   return new ReactDOMHydrationRoot(initialChildren);
 };
-exports.version = "19.2.0-experimental-14094f80-20250529";
+exports.version = "19.2.0-experimental-280ff6fe-20250606";