Remove globals defined for the React renderer that are now unused (#58454)

package.json

@@ -108,8 +108,8 @@
     "node-fetch": "^2.2.0",
     "nullthrows": "^1.1.1",
     "prettier": "3.9.4",
-    "react": "19.2.3",
-    "react-test-renderer": "19.2.3",
+    "react": "19.3.0",
+    "react-test-renderer": "19.3.0",
     "rimraf": "^3.0.2",
     "shelljs": "^0.8.5",
     "signedsource": "^2.0.0",
@@ -121,7 +121,7 @@
     "ws": "^7.5.10"
   },
   "resolutions": {
-    "react-is": "19.2.3",
+    "react-is": "19.3.0",
     "on-headers": "1.1.0",
     "compression": "1.8.1",
     "@microsoft/api-extractor/minimatch": "3.1.4",

packages/eslint-plugin-react-native/utils.js

@@ -519,10 +519,6 @@ const publicAPIMapping = {
     default: null,
     types: ['ErrorUtils'],
   },
-  'Libraries/ReactPrivate/ReactNativePrivateInterface': {
-    default: null,
-    types: ['PublicRootInstance', 'PublicTextInstance'],
-  },
 };
 
 module.exports = {

packages/react-native/Libraries/Animated/nodes/AnimatedProps.js

@@ -16,8 +16,8 @@ import type {AnimatedStyleAllowlist} from './AnimatedStyle';
 import NativeAnimatedHelper from '../../../src/private/animated/NativeAnimatedHelper';
 import * as ReactNativeFeatureFlags from '../../../src/private/featureflags/ReactNativeFeatureFlags';
 import {getFabricUIManager} from '../../ReactNative/FabricUIManager';
+import {getNodeFromPublicInstance} from '../../ReactNative/ReactFabricPublicInstance/ReactFabricPublicInstance';
 import {findNodeHandle} from '../../ReactNative/RendererProxy';
-import {getNodeFromPublicInstance} from '../../ReactPrivate/ReactNativePrivateInterface';
 import flattenStyle from '../../StyleSheet/flattenStyle';
 import {AnimatedEvent} from '../AnimatedEvent';
 import AnimatedNode from './AnimatedNode';

packages/react-native/Libraries/Core/setUpTimers.js

@@ -20,12 +20,6 @@ if (__DEV__) {
 
 // In bridgeless mode, timers are host functions installed from cpp.
 if (global.RN$Bridgeless === true) {
-  // This is the flag that tells React to use `queueMicrotask` to batch state
-  // updates, instead of using the scheduler to schedule a regular task.
-  // We use a global variable because we don't currently have any other
-  // mechanism to pass feature flags from RN to React in OSS.
-  global.RN$enableMicrotasksInReact = true;
-
   polyfillGlobal(
     'queueMicrotask',
     () =>

packages/react-native/Libraries/ReactNative/ReactFabricPublicInstance/ReactFabricPublicInstance.js

@@ -55,6 +55,8 @@ export function createPublicTextInstance(
   return new ReadOnlyText(internalInstanceHandle, ownerDocument);
 }
 
+export type PublicTextInstance = ReturnType<typeof createPublicTextInstance>;
+
 export function getNativeTagFromPublicInstance(
   publicInstance: ReactNativeElement,
 ): number {