Upgrade React from b94603b9-20250513 to d85f86cf-20250514 (#79216)

Co-authored-by: Sebastian Sebbie Silbermann <sebastian.silbermann@vercel.com>

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:react@19.2.0-canary-b94603b9-20250513",
+    "react-builtin": "npm:react@19.2.0-canary-d85f86cf-20250514",
     "react-dom": "19.0.0",
-    "react-dom-builtin": "npm:react-dom@19.2.0-canary-b94603b9-20250513",
-    "react-dom-experimental-builtin": "npm:react-dom@0.0.0-experimental-b94603b9-20250513",
-    "react-experimental-builtin": "npm:react@0.0.0-experimental-b94603b9-20250513",
-    "react-is-builtin": "npm:react-is@19.2.0-canary-b94603b9-20250513",
-    "react-server-dom-turbopack": "19.2.0-canary-b94603b9-20250513",
-    "react-server-dom-turbopack-experimental": "npm:react-server-dom-turbopack@0.0.0-experimental-b94603b9-20250513",
-    "react-server-dom-webpack": "19.2.0-canary-b94603b9-20250513",
-    "react-server-dom-webpack-experimental": "npm:react-server-dom-webpack@0.0.0-experimental-b94603b9-20250513",
+    "react-dom-builtin": "npm:react-dom@19.2.0-canary-d85f86cf-20250514",
+    "react-dom-experimental-builtin": "npm:react-dom@0.0.0-experimental-d85f86cf-20250514",
+    "react-experimental-builtin": "npm:react@0.0.0-experimental-d85f86cf-20250514",
+    "react-is-builtin": "npm:react-is@19.2.0-canary-d85f86cf-20250514",
+    "react-server-dom-turbopack": "19.2.0-canary-d85f86cf-20250514",
+    "react-server-dom-turbopack-experimental": "npm:react-server-dom-turbopack@0.0.0-experimental-d85f86cf-20250514",
+    "react-server-dom-webpack": "19.2.0-canary-d85f86cf-20250514",
+    "react-server-dom-webpack-experimental": "npm:react-server-dom-webpack@0.0.0-experimental-d85f86cf-20250514",
     "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:scheduler@0.27.0-canary-b94603b9-20250513",
-    "scheduler-experimental-builtin": "npm:scheduler@0.0.0-experimental-b94603b9-20250513",
+    "scheduler-builtin": "npm:scheduler@0.27.0-canary-d85f86cf-20250514",
+    "scheduler-experimental-builtin": "npm:scheduler@0.0.0-experimental-d85f86cf-20250514",
     "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-b94603b9-20250513",
-      "react-dom": "19.2.0-canary-b94603b9-20250513",
-      "react-is": "19.2.0-canary-b94603b9-20250513",
-      "scheduler": "0.27.0-canary-b94603b9-20250513"
+      "react": "19.2.0-canary-d85f86cf-20250514",
+      "react-dom": "19.2.0-canary-d85f86cf-20250514",
+      "react-is": "19.2.0-canary-d85f86cf-20250514",
+      "scheduler": "0.27.0-canary-d85f86cf-20250514"
     },
     "patchedDependencies": {
       "webpack-sources@3.2.3": "patches/webpack-sources@3.2.3.patch",

packages/next/src/client/app-index.tsx

@@ -29,6 +29,11 @@ import { isBot } from '../shared/lib/router/utils/is-bot'
 
 /// <reference types="react-dom/experimental" />
 
+function onDefaultTransitionIndicator() {
+  // TODO: Compose default with user-configureable (e.g. nprogress)
+  // TODO: Use React's default even if user config isn't set up. Requires resolution of https://issues.chromium.org/u/1/issues/419746417
+}
+
 const appElement: HTMLElement | Document = document
 
 const encoder = new TextEncoder()
@@ -208,6 +213,8 @@ function Root({ children }: React.PropsWithChildren<{}>) {
 }
 
 const reactRootOptions: ReactDOMClient.RootOptions = {
+  // @ts-expect-error: Should pass on `@types/react` bump.
+  onDefaultTransitionIndicator,
   onRecoverableError,
   onCaughtError,
   onUncaughtError,