Remove experimental.reactOwnerStack flag (#76021)

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

Author: vercel-release-bot

package.json

@@ -216,16 +216,16 @@
     "pretty-ms": "7.0.0",
     "random-seed": "0.3.0",
     "react": "19.0.0",
-    "react-builtin": "npm:[email protected]cbbe8666-20250213",
+    "react-builtin": "npm:[email protected]32b0cad8-20250213",
     "react-dom": "19.0.0",
-    "react-dom-builtin": "npm:[email protected]cbbe8666-20250213",
-    "react-dom-experimental-builtin": "npm:[email protected]cbbe8666-20250213",
-    "react-experimental-builtin": "npm:[email protected]cbbe8666-20250213",
-    "react-is-builtin": "npm:[email protected]cbbe8666-20250213",
-    "react-server-dom-turbopack": "19.1.0-canary-cbbe8666-20250213",
-    "react-server-dom-turbopack-experimental": "npm:[email protected]cbbe8666-20250213",
-    "react-server-dom-webpack": "19.1.0-canary-cbbe8666-20250213",
-    "react-server-dom-webpack-experimental": "npm:[email protected]cbbe8666-20250213",
+    "react-dom-builtin": "npm:[email protected]32b0cad8-20250213",
+    "react-dom-experimental-builtin": "npm:[email protected]32b0cad8-20250213",
+    "react-experimental-builtin": "npm:[email protected]32b0cad8-20250213",
+    "react-is-builtin": "npm:[email protected]32b0cad8-20250213",
+    "react-server-dom-turbopack": "19.1.0-canary-32b0cad8-20250213",
+    "react-server-dom-turbopack-experimental": "npm:[email protected]32b0cad8-20250213",
+    "react-server-dom-webpack": "19.1.0-canary-32b0cad8-20250213",
+    "react-server-dom-webpack-experimental": "npm:[email protected]32b0cad8-20250213",
     "react-ssr-prepass": "1.0.8",
     "react-virtualized": "9.22.3",
     "relay-compiler": "13.0.2",
@@ -235,8 +235,8 @@
     "resolve-from": "5.0.0",
     "sass": "1.54.0",
     "satori": "0.12.1",
-    "scheduler-builtin": "npm:[email protected]cbbe8666-20250213",
-    "scheduler-experimental-builtin": "npm:[email protected]cbbe8666-20250213",
+    "scheduler-builtin": "npm:[email protected]32b0cad8-20250213",
+    "scheduler-experimental-builtin": "npm:[email protected]32b0cad8-20250213",
     "seedrandom": "3.0.5",
     "semver": "7.3.7",
     "shell-quote": "1.7.3",
@@ -277,10 +277,10 @@
       "@types/react": "19.0.8",
       "@types/react-dom": "19.0.3",
       "jest-snapshot": "30.0.0-alpha.6",
-      "react": "19.1.0-canary-cbbe8666-20250213",
-      "react-dom": "19.1.0-canary-cbbe8666-20250213",
-      "react-is": "19.1.0-canary-cbbe8666-20250213",
-      "scheduler": "0.26.0-canary-cbbe8666-20250213"
+      "react": "19.1.0-canary-32b0cad8-20250213",
+      "react-dom": "19.1.0-canary-32b0cad8-20250213",
+      "react-is": "19.1.0-canary-32b0cad8-20250213",
+      "scheduler": "0.26.0-canary-32b0cad8-20250213"
     },
     "patchedDependencies": {
       "[email protected]": "patches/[email protected]",

packages/next/src/build/webpack/plugins/define-env-plugin.ts

@@ -293,8 +293,6 @@ export function getDefineEnv({
       : undefined),
     'process.env.__NEXT_EXPERIMENTAL_NEW_DEV_OVERLAY':
       config.experimental.newDevOverlay || false,
-    'process.env.__NEXT_REACT_OWNER_STACK':
-      config.experimental.reactOwnerStack ?? false,
   }
 
   const userDefines = config.compiler?.define ?? {}

packages/next/src/client/components/errors/stitched-error.ts

@@ -8,9 +8,6 @@ const REACT_ERROR_STACK_BOTTOM_FRAME_REGEX = new RegExp(
 )
 
 export function getReactStitchedError<T = unknown>(err: T): Error | T {
-  if (!process.env.__NEXT_REACT_OWNER_STACK) {
-    return err
-  }
   const isErrorInstance = isError(err)
   const originStack = isErrorInstance ? err.stack || '' : ''
   const originMessage = isErrorInstance ? err.message : ''