Upgrade React from 280ff6fe-20250606 to 56408a5b-20250610 (#80375)

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]280ff6fe-20250606",
+    "react-builtin": "npm:[email protected]56408a5b-20250610",
     "react-dom": "19.0.0",
-    "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-dom-builtin": "npm:[email protected]56408a5b-20250610",
+    "react-dom-experimental-builtin": "npm:[email protected]56408a5b-20250610",
+    "react-experimental-builtin": "npm:[email protected]56408a5b-20250610",
+    "react-is-builtin": "npm:[email protected]56408a5b-20250610",
+    "react-server-dom-turbopack": "19.2.0-canary-56408a5b-20250610",
+    "react-server-dom-turbopack-experimental": "npm:[email protected]56408a5b-20250610",
+    "react-server-dom-webpack": "19.2.0-canary-56408a5b-20250610",
+    "react-server-dom-webpack-experimental": "npm:[email protected]56408a5b-20250610",
     "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]280ff6fe-20250606",
-    "scheduler-experimental-builtin": "npm:[email protected]280ff6fe-20250606",
+    "scheduler-builtin": "npm:[email protected]56408a5b-20250610",
+    "scheduler-experimental-builtin": "npm:[email protected]56408a5b-20250610",
     "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-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"
+      "react": "19.2.0-canary-56408a5b-20250610",
+      "react-dom": "19.2.0-canary-56408a5b-20250610",
+      "react-is": "19.2.0-canary-56408a5b-20250610",
+      "scheduler": "0.27.0-canary-56408a5b-20250610"
     },
     "patchedDependencies": {
       "[email protected]": "patches/[email protected]",

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

@@ -7463,7 +7463,8 @@ function initSuspenseListRenderState(
   isBackwards,
   tail,
   lastContentRow,
-  tailMode
+  tailMode,
+  treeForkCount
 ) {
   var renderState = workInProgress.memoizedState;
   null === renderState
@@ -7473,14 +7474,16 @@ function initSuspenseListRenderState(
         renderingStartTime: 0,
         last: lastContentRow,
         tail: tail,
-        tailMode: tailMode
+        tailMode: tailMode,
+        treeForkCount: treeForkCount
       })
     : ((renderState.isBackwards = isBackwards),
       (renderState.rendering = null),
       (renderState.renderingStartTime = 0),
       (renderState.last = lastContentRow),
       (renderState.tail = tail),
-      (renderState.tailMode = tailMode));
+      (renderState.tailMode = tailMode),
+      (renderState.treeForkCount = treeForkCount));
 }
 function updateSuspenseListComponent(current, workInProgress, renderLanes) {
   var nextProps = workInProgress.pendingProps,
@@ -7495,6 +7498,7 @@ function updateSuspenseListComponent(current, workInProgress, renderLanes) {
     : (suspenseContext &= 1);
   push(suspenseStackCursor, suspenseContext);
   reconcileChildren(current, workInProgress, nextProps, renderLanes);
+  nextProps = isHydrating ? treeForkCount : 0;
   if (!shouldForceFallback && null !== current && 0 !== (current.flags & 128))
     a: for (current = workInProgress.child; null !== current; ) {
       if (13 === current.tag)
@@ -7534,7 +7538,8 @@ function updateSuspenseListComponent(current, workInProgress, renderLanes) {
         !1,
         revealOrder,
         renderLanes,
-        tailMode
+        tailMode,
+        nextProps
       );
       break;
     case "backwards":
@@ -7557,11 +7562,19 @@ function updateSuspenseListComponent(current, workInProgress, renderLanes) {
         !0,
         renderLanes,
         null,
-        tailMode
+        tailMode,
+        nextProps
       );
       break;
     case "together":
-      initSuspenseListRenderState(workInProgress, !1, null, null, void 0);
+      initSuspenseListRenderState(
+        workInProgress,
+        !1,
+        null,
+        null,
+        void 0,
+        nextProps
+      );
       break;
     default:
       workInProgress.memoizedState = null;
@@ -8799,12 +8812,12 @@ function completeWork(current, workInProgress, renderLanes) {
       );
     case 19:
       pop(suspenseStackCursor);
-      type = workInProgress.memoizedState;
-      if (null === type) return bubbleProperties(workInProgress), null;
-      newProps = 0 !== (workInProgress.flags & 128);
-      nextResource = type.rendering;
+      newProps = workInProgress.memoizedState;
+      if (null === newProps) return bubbleProperties(workInProgress), null;
+      type = 0 !== (workInProgress.flags & 128);
+      nextResource = newProps.rendering;
       if (null === nextResource)
-        if (newProps) cutOffTailIfNeeded(type, !1);
+        if (type) cutOffTailIfNeeded(newProps, !1);
         else {
           if (
             0 !== workInProgressRootExitStatus ||
@@ -8814,7 +8827,7 @@ function completeWork(current, workInProgress, renderLanes) {
               nextResource = findFirstSuspended(current);
               if (null !== nextResource) {
                 workInProgress.flags |= 128;
-                cutOffTailIfNeeded(type, !1);
+                cutOffTailIfNeeded(newProps, !1);
                 current = nextResource.updateQueue;
                 workInProgress.updateQueue = current;
                 scheduleRetryEffect(workInProgress, current);
@@ -8827,62 +8840,68 @@ function completeWork(current, workInProgress, renderLanes) {
                   suspenseStackCursor,
                   (suspenseStackCursor.current & 1) | 2
                 );
+                isHydrating &&
+                  pushTreeFork(workInProgress, newProps.treeForkCount);
                 return workInProgress.child;
               }
               current = current.sibling;
             }
-          null !== type.tail &&
+          null !== newProps.tail &&
             now() > workInProgressRootRenderTargetTime &&
             ((workInProgress.flags |= 128),
-            (newProps = !0),
-            cutOffTailIfNeeded(type, !1),
+            (type = !0),
+            cutOffTailIfNeeded(newProps, !1),
             (workInProgress.lanes = 4194304));
         }
       else {
-        if (!newProps)
+        if (!type)
           if (
             ((current = findFirstSuspended(nextResource)), null !== current)
           ) {
             if (
               ((workInProgress.flags |= 128),
-              (newProps = !0),
+              (type = !0),
               (current = current.updateQueue),
               (workInProgress.updateQueue = current),
               scheduleRetryEffect(workInProgress, current),
-              cutOffTailIfNeeded(type, !0),
-              null === type.tail &&
-                "hidden" === type.tailMode &&
+              cutOffTailIfNeeded(newProps, !0),
+              null === newProps.tail &&
+                "hidden" === newProps.tailMode &&
                 !nextResource.alternate &&
                 !isHydrating)
             )
               return bubbleProperties(workInProgress), null;
           } else
-            2 * now() - type.renderingStartTime >
+            2 * now() - newProps.renderingStartTime >
               workInProgressRootRenderTargetTime &&
               536870912 !== renderLanes &&
               ((workInProgress.flags |= 128),
-              (newProps = !0),
-              cutOffTailIfNeeded(type, !1),
+              (type = !0),
+              cutOffTailIfNeeded(newProps, !1),
               (workInProgress.lanes = 4194304));
-        type.isBackwards
+        newProps.isBackwards
           ? ((nextResource.sibling = workInProgress.child),
             (workInProgress.child = nextResource))
-          : ((current = type.last),
+          : ((current = newProps.last),
             null !== current
               ? (current.sibling = nextResource)
               : (workInProgress.child = nextResource),
-            (type.last = nextResource));
+            (newProps.last = nextResource));
       }
-      if (null !== type.tail)
+      if (null !== newProps.tail)
         return (
-          (workInProgress = type.tail),
-          (type.rendering = workInProgress),
-          (type.tail = workInProgress.sibling),
-          (type.renderingStartTime = now()),
-          (workInProgress.sibling = null),
-          (current = suspenseStackCursor.current),
-          push(suspenseStackCursor, newProps ? (current & 1) | 2 : current & 1),
-          workInProgress
+          (current = newProps.tail),
+          (newProps.rendering = current),
+          (newProps.tail = current.sibling),
+          (newProps.renderingStartTime = now()),
+          (current.sibling = null),
+          (renderLanes = suspenseStackCursor.current),
+          push(
+            suspenseStackCursor,
+            type ? (renderLanes & 1) | 2 : renderLanes & 1
+          ),
+          isHydrating && pushTreeFork(workInProgress, newProps.treeForkCount),
+          current
         );
       bubbleProperties(workInProgress);
       return null;
@@ -19139,14 +19158,14 @@ ReactDOMHydrationRoot.prototype.unstable_scheduleHydration = function (target) {
 };
 var isomorphicReactPackageVersion$jscomp$inline_2180 = React.version;
 if (
-  "19.2.0-experimental-280ff6fe-20250606" !==
+  "19.2.0-experimental-56408a5b-20250610" !==
   isomorphicReactPackageVersion$jscomp$inline_2180
 )
   throw Error(
     formatProdErrorMessage(
       527,
       isomorphicReactPackageVersion$jscomp$inline_2180,
-      "19.2.0-experimental-280ff6fe-20250606"
+      "19.2.0-experimental-56408a5b-20250610"
     )
   );
 ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
@@ -19168,10 +19187,10 @@ ReactDOMSharedInternals.findDOMNode = function (componentOrElement) {
 };
 var internals$jscomp$inline_2865 = {
   bundleType: 0,
-  version: "19.2.0-experimental-280ff6fe-20250606",
+  version: "19.2.0-experimental-56408a5b-20250610",
   rendererPackageName: "react-dom",
   currentDispatcherRef: ReactSharedInternals,
-  reconcilerVersion: "19.2.0-experimental-280ff6fe-20250606"
+  reconcilerVersion: "19.2.0-experimental-56408a5b-20250610"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_2866 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
@@ -19278,4 +19297,4 @@ exports.hydrateRoot = function (container, initialChildren, options) {
   listenToAllSupportedEvents(container);
   return new ReactDOMHydrationRoot(initialChildren);
 };
-exports.version = "19.2.0-experimental-280ff6fe-20250606";
+exports.version = "19.2.0-experimental-56408a5b-20250610";