diff --git a/.eslintrc.js b/.eslintrc.js
index 82abfbe632e21..e8ace6311d8dc 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -547,12 +547,10 @@ module.exports = {
   },
 
   globals: {
-    $ElementType: 'readonly',
     $Flow$ModuleRef: 'readonly',
     $FlowFixMe: 'readonly',
     $Keys: 'readonly',
     $NonMaybeType: 'readonly',
-    $PropertyType: 'readonly',
     $ReadOnly: 'readonly',
     $ReadOnlyArray: 'readonly',
     $ArrayBufferView: 'readonly',
@@ -567,6 +565,7 @@ module.exports = {
     BigInt: 'readonly',
     BigInt64Array: 'readonly',
     BigUint64Array: 'readonly',
+    CacheType: 'readonly',
     Class: 'readonly',
     ClientRect: 'readonly',
     CopyInspectedElementPath: 'readonly',
@@ -586,9 +585,7 @@ module.exports = {
     NavigateEvent: 'readonly',
     PropagationPhases: 'readonly',
     PropertyDescriptor: 'readonly',
-    React$AbstractComponent: 'readonly',
     React$Component: 'readonly',
-    React$ComponentType: 'readonly',
     React$Config: 'readonly',
     React$Context: 'readonly',
     React$Element: 'readonly',
diff --git a/flow-typed/environments/node.js b/flow-typed/environments/node.js
index 66d20232a3395..a3edff20f893b 100644
--- a/flow-typed/environments/node.js
+++ b/flow-typed/environments/node.js
@@ -3236,7 +3236,7 @@ declare module 'util' {
   declare class TextDecoder {
     constructor(
       encoding?: string,
-      options: {
+      options?: {
         fatal?: boolean,
         ignoreBOM?: boolean,
         ...
@@ -3253,8 +3253,12 @@ declare module 'util' {
 
   declare class TextEncoder {
     constructor(): void;
-    encode(input?: string): Uint8Array;
-    encoding: string;
+    encode(input: string): Uint8Array;
+    encodeInto(
+      input: string,
+      buffer: Uint8Array
+    ): {written: number, read: number};
+    encoding: 'utf-8';
   }
 
   declare var types: {
diff --git a/package.json b/package.json
index 2a83ef95f2090..f5b3052010c30 100644
--- a/package.json
+++ b/package.json
@@ -74,8 +74,8 @@
     "eslint-plugin-react-internal": "link:./scripts/eslint-rules",
     "fbjs-scripts": "^3.0.1",
     "filesize": "^6.0.1",
-    "flow-bin": "^0.263",
-    "flow-remove-types": "^2.263",
+    "flow-bin": "^0.274",
+    "flow-remove-types": "^2.274",
     "flow-typed": "^4.1.1",
     "glob": "^7.1.6",
     "glob-stream": "^6.1.0",
diff --git a/packages/internal-test-utils/enqueueTask.js b/packages/internal-test-utils/enqueueTask.js
index 9ddcf1d5cab53..1edb75a7b1806 100644
--- a/packages/internal-test-utils/enqueueTask.js
+++ b/packages/internal-test-utils/enqueueTask.js
@@ -11,6 +11,7 @@ const {MessageChannel} = require('node:worker_threads');
 
 export default function enqueueTask(task: () => void): void {
   const channel = new MessageChannel();
+  // $FlowFixMe[prop-missing]
   channel.port1.onmessage = () => {
     channel.port1.close();
     task();
diff --git a/packages/react-devtools-inline/src/frontend.js b/packages/react-devtools-inline/src/frontend.js
index 056d5d2c27052..b8d1b2ef4d811 100644
--- a/packages/react-devtools-inline/src/frontend.js
+++ b/packages/react-devtools-inline/src/frontend.js
@@ -52,7 +52,7 @@ export function initialize(
     bridge?: FrontendBridge,
     store?: Store,
   } = {},
-): React.ComponentType<Props> {
+): component(...props: Props) {
   if (bridge == null) {
     bridge = createBridge(contentWindow);
   }
diff --git a/packages/react-devtools-shared/src/backend/fiber/renderer.js b/packages/react-devtools-shared/src/backend/fiber/renderer.js
index 710b19097ea29..88a9b70093fd1 100644
--- a/packages/react-devtools-shared/src/backend/fiber/renderer.js
+++ b/packages/react-devtools-shared/src/backend/fiber/renderer.js
@@ -1317,9 +1317,9 @@ export function attach(
     if (componentLogsEntry === undefined) {
       componentLogsEntry = {
         errors: new Map(),
-        errorsCount: 0,
+        errorsCount: 0 as number,
         warnings: new Map(),
-        warningsCount: 0,
+        warningsCount: 0 as number,
       };
       fiberToComponentLogsMap.set(fiber, componentLogsEntry);
     }
@@ -6705,7 +6705,7 @@ export function attach(
     if (isMostRecentlyInspectedElement(id) && !forceFullData) {
       if (!hasElementUpdatedSinceLastInspected) {
         if (path !== null) {
-          let secondaryCategory = null;
+          let secondaryCategory: 'suspendedBy' | 'hooks' | null = null;
           if (path[0] === 'hooks') {
             secondaryCategory = 'hooks';
           }
diff --git a/packages/react-devtools-shared/src/backend/flight/renderer.js b/packages/react-devtools-shared/src/backend/flight/renderer.js
index 3d8befd4215e7..9cdd63e150f7c 100644
--- a/packages/react-devtools-shared/src/backend/flight/renderer.js
+++ b/packages/react-devtools-shared/src/backend/flight/renderer.js
@@ -118,9 +118,9 @@ export function attach(
     if (componentLogsEntry === undefined) {
       componentLogsEntry = {
         errors: new Map(),
-        errorsCount: 0,
+        errorsCount: 0 as number,
         warnings: new Map(),
-        warningsCount: 0,
+        warningsCount: 0 as number,
       };
       componentInfoToComponentLogsMap.set(componentInfo, componentLogsEntry);
     }
diff --git a/packages/react-devtools-shared/src/backend/profilingHooks.js b/packages/react-devtools-shared/src/backend/profilingHooks.js
index ca58cf655ce53..a3feb1748801c 100644
--- a/packages/react-devtools-shared/src/backend/profilingHooks.js
+++ b/packages/react-devtools-shared/src/backend/profilingHooks.js
@@ -278,6 +278,7 @@ export function createProfilingHooks({
 
     const top = currentReactMeasuresStack.pop();
     // $FlowFixMe[incompatible-type]
+    // $FlowFixMe[incompatible-use]
     if (top.type !== type) {
       console.error(
         'Unexpected type "%s" completed at %sms before "%s" completed.',
diff --git a/packages/react-devtools-shared/src/bridge.js b/packages/react-devtools-shared/src/bridge.js
index f0638ae896b60..ccc66744a7046 100644
--- a/packages/react-devtools-shared/src/bridge.js
+++ b/packages/react-devtools-shared/src/bridge.js
@@ -314,7 +314,7 @@ class Bridge<
 
   send<EventName: $Keys<OutgoingEvents>>(
     event: EventName,
-    ...payload: $ElementType<OutgoingEvents, EventName>
+    ...payload: OutgoingEvents[EventName]
   ) {
     if (this._isShutdown) {
       console.warn(
diff --git a/packages/react-devtools-shared/src/devtools/views/Components/Components.js b/packages/react-devtools-shared/src/devtools/views/Components/Components.js
index cfa73bbad8032..1f0927de98a5b 100644
--- a/packages/react-devtools-shared/src/devtools/views/Components/Components.js
+++ b/packages/react-devtools-shared/src/devtools/views/Components/Components.js
@@ -235,4 +235,4 @@ function setResizeCSSVariable(
   }
 }
 
-export default (portaledContent(Components): React$ComponentType<{}>);
+export default (portaledContent(Components): component());
diff --git a/packages/react-devtools-shared/src/devtools/views/Components/InspectedElementHooksTree.js b/packages/react-devtools-shared/src/devtools/views/Components/InspectedElementHooksTree.js
index 44950acddf7af..2739325749786 100644
--- a/packages/react-devtools-shared/src/devtools/views/Components/InspectedElementHooksTree.js
+++ b/packages/react-devtools-shared/src/devtools/views/Components/InspectedElementHooksTree.js
@@ -386,6 +386,6 @@ function HookView({
   }
 }
 
-export default (React.memo(
-  InspectedElementHooksTree,
-): React.ComponentType<HookViewProps>);
+export default (React.memo(InspectedElementHooksTree): component(
+  ...props: HookViewProps
+));
diff --git a/packages/react-devtools-shared/src/devtools/views/Editor/EditorPane.js b/packages/react-devtools-shared/src/devtools/views/Editor/EditorPane.js
index 43082e1423810..8237a59956d15 100644
--- a/packages/react-devtools-shared/src/devtools/views/Editor/EditorPane.js
+++ b/packages/react-devtools-shared/src/devtools/views/Editor/EditorPane.js
@@ -115,4 +115,4 @@ function EditorPane({selectedSource}: Props) {
     </div>
   );
 }
-export default (portaledContent(EditorPane): React$ComponentType<{}>);
+export default (portaledContent(EditorPane): component());
diff --git a/packages/react-devtools-shared/src/devtools/views/Profiler/CommitFlamegraphListItem.js b/packages/react-devtools-shared/src/devtools/views/Profiler/CommitFlamegraphListItem.js
index f747b7ab4ab3f..5bfe0a299f68a 100644
--- a/packages/react-devtools-shared/src/devtools/views/Profiler/CommitFlamegraphListItem.js
+++ b/packages/react-devtools-shared/src/devtools/views/Profiler/CommitFlamegraphListItem.js
@@ -132,7 +132,6 @@ function CommitFlamegraphListItem({data, index, style}: Props): React.Node {
   );
 }
 
-export default (memo(
-  CommitFlamegraphListItem,
-  areEqual,
-): React.ComponentType<Props>);
+export default (memo(CommitFlamegraphListItem, areEqual): component(
+  ...props: Props
+));
diff --git a/packages/react-devtools-shared/src/devtools/views/Profiler/CommitRankedListItem.js b/packages/react-devtools-shared/src/devtools/views/Profiler/CommitRankedListItem.js
index 4a8ab9b7e6be2..707fddf6268cb 100644
--- a/packages/react-devtools-shared/src/devtools/views/Profiler/CommitRankedListItem.js
+++ b/packages/react-devtools-shared/src/devtools/views/Profiler/CommitRankedListItem.js
@@ -79,7 +79,6 @@ function CommitRankedListItem({data, index, style}: Props) {
   );
 }
 
-export default (memo(
-  CommitRankedListItem,
-  areEqual,
-): React.ComponentType<Props>);
+export default (memo(CommitRankedListItem, areEqual): component(
+  ...props: Props
+));
diff --git a/packages/react-devtools-shared/src/devtools/views/Profiler/HookChangeSummary.js b/packages/react-devtools-shared/src/devtools/views/Profiler/HookChangeSummary.js
index e5c8f9c0fa665..5ce3eec42bc00 100644
--- a/packages/react-devtools-shared/src/devtools/views/Profiler/HookChangeSummary.js
+++ b/packages/react-devtools-shared/src/devtools/views/Profiler/HookChangeSummary.js
@@ -38,34 +38,38 @@ type HookProps = {
   hookNames: Map<string, string> | null,
 };
 
-const Hook: React.AbstractComponent<HookProps> = memo(({hook, hookNames}) => {
-  const hookSource = hook.hookSource;
-  const hookName = useMemo(() => {
-    if (!hookSource || !hookNames) return null;
-    const key = getHookSourceLocationKey(hookSource);
-    return hookNames.get(key) || null;
-  }, [hookSource, hookNames]);
-
-  return (
-    <ul className={styles.Hook}>
-      <li>
-        {hook.id !== null && (
-          <span className={styles.PrimitiveHookNumber}>
-            {String(hook.id + 1)}
+const Hook: component(...props: HookProps) = memo(
+  ({hook, hookNames}: HookProps) => {
+    const hookSource = hook.hookSource;
+    const hookName = useMemo(() => {
+      if (!hookSource || !hookNames) return null;
+      const key = getHookSourceLocationKey(hookSource);
+      return hookNames.get(key) || null;
+    }, [hookSource, hookNames]);
+
+    return (
+      <ul className={styles.Hook}>
+        <li>
+          {hook.id !== null && (
+            <span className={styles.PrimitiveHookNumber}>
+              {String(hook.id + 1)}
+            </span>
+          )}
+          <span
+            className={
+              hook.id !== null ? styles.PrimitiveHookName : styles.Name
+            }>
+            {hook.name}
+            {hookName && <span className={styles.HookName}>({hookName})</span>}
           </span>
-        )}
-        <span
-          className={hook.id !== null ? styles.PrimitiveHookName : styles.Name}>
-          {hook.name}
-          {hookName && <span className={styles.HookName}>({hookName})</span>}
-        </span>
-        {hook.subHooks?.map((subHook, index) => (
-          <Hook key={hook.id} hook={subHook} hookNames={hookNames} />
-        ))}
-      </li>
-    </ul>
-  );
-});
+          {hook.subHooks?.map((subHook, index) => (
+            <Hook key={hook.id} hook={subHook} hookNames={hookNames} />
+          ))}
+        </li>
+      </ul>
+    );
+  },
+);
 
 const shouldKeepHook = (
   hook: HooksNode,
@@ -105,12 +109,12 @@ const filterHooks = (
 
 type Props = {|
   fiberID: number,
-  hooks: $PropertyType<ChangeDescription, 'hooks'>,
-  state: $PropertyType<ChangeDescription, 'state'>,
+  hooks: ChangeDescription['hooks'],
+  state: ChangeDescription['state'],
   displayMode?: 'detailed' | 'compact',
 |};
 
-const HookChangeSummary: React.AbstractComponent<Props> = memo(
+const HookChangeSummary: component(...props: Props) = memo(
   ({hooks, fiberID, state, displayMode = 'detailed'}: Props) => {
     const {parseHookNames, toggleParseHookNames, inspectedElement} = useContext(
       InspectedElementContext,
diff --git a/packages/react-devtools-shared/src/devtools/views/Profiler/Profiler.js b/packages/react-devtools-shared/src/devtools/views/Profiler/Profiler.js
index cb06c98f933a2..4ac55b46f0e8c 100644
--- a/packages/react-devtools-shared/src/devtools/views/Profiler/Profiler.js
+++ b/packages/react-devtools-shared/src/devtools/views/Profiler/Profiler.js
@@ -190,4 +190,4 @@ const tabsWithTimeline = [
   },
 ];
 
-export default (portaledContent(Profiler): React.ComponentType<{}>);
+export default (portaledContent(Profiler): component());
diff --git a/packages/react-devtools-shared/src/devtools/views/Profiler/SnapshotCommitListItem.js b/packages/react-devtools-shared/src/devtools/views/Profiler/SnapshotCommitListItem.js
index c013ec759587b..d9f80f005319c 100644
--- a/packages/react-devtools-shared/src/devtools/views/Profiler/SnapshotCommitListItem.js
+++ b/packages/react-devtools-shared/src/devtools/views/Profiler/SnapshotCommitListItem.js
@@ -96,7 +96,6 @@ function SnapshotCommitListItem({data: itemData, index, style}: Props) {
   );
 }
 
-export default (memo(
-  SnapshotCommitListItem,
-  areEqual,
-): React.ComponentType<Props>);
+export default (memo(SnapshotCommitListItem, areEqual): component(
+  ...props: Props
+));
diff --git a/packages/react-devtools-shared/src/devtools/views/SuspenseTab/SuspenseTab.js b/packages/react-devtools-shared/src/devtools/views/SuspenseTab/SuspenseTab.js
index 19c039e1dc7e0..8a53365df5cef 100644
--- a/packages/react-devtools-shared/src/devtools/views/SuspenseTab/SuspenseTab.js
+++ b/packages/react-devtools-shared/src/devtools/views/SuspenseTab/SuspenseTab.js
@@ -437,4 +437,4 @@ function setResizeCSSVariable(
   }
 }
 
-export default (portaledContent(SuspenseTab): React$ComponentType<{}>);
+export default (portaledContent(SuspenseTab): component());
diff --git a/packages/react-devtools-shared/src/devtools/views/portaledContent.js b/packages/react-devtools-shared/src/devtools/views/portaledContent.js
index fb4455d0a08ea..ad0ef8e5f0bcc 100644
--- a/packages/react-devtools-shared/src/devtools/views/portaledContent.js
+++ b/packages/react-devtools-shared/src/devtools/views/portaledContent.js
@@ -17,8 +17,8 @@ import ThemeProvider from './ThemeProvider';
 export type Props = {portalContainer?: Element, ...};
 
 export default function portaledContent(
-  Component: React$ComponentType<any>,
-): React$ComponentType<any> {
+  Component: component(...props: any),
+): component(...props: any) {
   return function PortaledContent({portalContainer, ...rest}: Props) {
     const store = useContext(StoreContext);
 
diff --git a/packages/react-devtools-shared/src/events.js b/packages/react-devtools-shared/src/events.js
index 6d53844d83415..2442ec20f1551 100644
--- a/packages/react-devtools-shared/src/events.js
+++ b/packages/react-devtools-shared/src/events.js
@@ -12,7 +12,7 @@ export default class EventEmitter<Events: Object> {
 
   addListener<Event: $Keys<Events>>(
     event: Event,
-    listener: (...$ElementType<Events, Event>) => any,
+    listener: (...Events[Event]) => any,
   ): void {
     const listeners = this.listenersMap.get(event);
     if (listeners === undefined) {
@@ -25,10 +25,7 @@ export default class EventEmitter<Events: Object> {
     }
   }
 
-  emit<Event: $Keys<Events>>(
-    event: Event,
-    ...args: $ElementType<Events, Event>
-  ): void {
+  emit<Event: $Keys<Events>>(event: Event, ...args: Events[Event]): void {
     const listeners = this.listenersMap.get(event);
     if (listeners !== undefined) {
       if (listeners.length === 1) {
diff --git a/packages/react-devtools-shared/src/hookNamesCache.js b/packages/react-devtools-shared/src/hookNamesCache.js
index f85bb3c6d8ea4..669f5f31c2bcd 100644
--- a/packages/react-devtools-shared/src/hookNamesCache.js
+++ b/packages/react-devtools-shared/src/hookNamesCache.js
@@ -103,7 +103,7 @@ export function loadHookNames(
 
     let timeoutID: $FlowFixMe | null;
     let didTimeout = false;
-    let status = 'unknown';
+    let status: 'success' | 'error' | 'timeout' | 'unknown' = 'unknown';
     let resolvedHookNames: HookNames | null = null;
 
     const wake = () => {
diff --git a/packages/react-devtools-shared/src/hooks/parseHookNames/loadSourceAndMetadata.js b/packages/react-devtools-shared/src/hooks/parseHookNames/loadSourceAndMetadata.js
index 2a72da0ce2575..5001ff31bf252 100644
--- a/packages/react-devtools-shared/src/hooks/parseHookNames/loadSourceAndMetadata.js
+++ b/packages/react-devtools-shared/src/hooks/parseHookNames/loadSourceAndMetadata.js
@@ -64,7 +64,7 @@ import type {FetchFileWithCaching} from 'react-devtools-shared/src/devtools/view
 
 // Prefer a cached albeit stale response to reduce download time.
 // We wouldn't want to load/parse a newer version of the source (even if one existed).
-const FETCH_OPTIONS = {cache: 'force-cache'};
+const FETCH_OPTIONS = {cache: 'force-cache' as CacheType};
 
 const MAX_SOURCE_LENGTH = 100_000_000;
 
diff --git a/packages/react-devtools-shared/src/hydration.js b/packages/react-devtools-shared/src/hydration.js
index ecadad7ab3fe2..2468917d939e4 100644
--- a/packages/react-devtools-shared/src/hydration.js
+++ b/packages/react-devtools-shared/src/hydration.js
@@ -133,7 +133,7 @@ export function dehydrate(
   path: Array<string | number>,
   isPathAllowed: (path: Array<string | number>) => boolean,
   level: number = 0,
-): $PropertyType<DehydratedData, 'data'> {
+): DehydratedData['data'] {
   const type = getDataType(data);
 
   let isPathAllowedCheck;
@@ -479,7 +479,7 @@ export function dehydrate(
         return createDehydrated(type, true, data, cleaned, path);
       } else {
         const object: {
-          [string]: $PropertyType<DehydratedData, 'data'>,
+          [string]: DehydratedData['data'],
         } = {};
         getAllEnumerableKeys(data).forEach(key => {
           const name = key.toString();
@@ -616,7 +616,7 @@ function dehydrateKey(
   path: Array<string | number>,
   isPathAllowed: (path: Array<string | number>) => boolean,
   level: number = 0,
-): $PropertyType<DehydratedData, 'data'> {
+): DehydratedData['data'] {
   try {
     return dehydrate(
       parent[key],
diff --git a/packages/react-devtools-shell/src/app/ToDoList/ListItem.js b/packages/react-devtools-shell/src/app/ToDoList/ListItem.js
index f29e8fe418d8b..549d15c31ea20 100644
--- a/packages/react-devtools-shell/src/app/ToDoList/ListItem.js
+++ b/packages/react-devtools-shell/src/app/ToDoList/ListItem.js
@@ -46,4 +46,4 @@ function ListItem({item, removeItem, toggleItem}: Props) {
   );
 }
 
-export default (memo(ListItem): React.ComponentType<Props>);
+export default (memo(ListItem): component(...props: Props));
diff --git a/packages/react-devtools-timeline/src/import-worker/preprocessData.js b/packages/react-devtools-timeline/src/import-worker/preprocessData.js
index 5dc0423b08b87..f3186e65a745f 100644
--- a/packages/react-devtools-timeline/src/import-worker/preprocessData.js
+++ b/packages/react-devtools-timeline/src/import-worker/preprocessData.js
@@ -123,7 +123,7 @@ function updateLaneToLabelMap(
 
 let profilerVersion = null;
 
-function getLastType(stack: $PropertyType<ProcessorState, 'measureStack'>) {
+function getLastType(stack: ProcessorState['measureStack']) {
   if (stack.length > 0) {
     const {type} = stack[stack.length - 1];
     return type;
@@ -131,7 +131,7 @@ function getLastType(stack: $PropertyType<ProcessorState, 'measureStack'>) {
   return null;
 }
 
-function getDepth(stack: $PropertyType<ProcessorState, 'measureStack'>) {
+function getDepth(stack: ProcessorState['measureStack']) {
   if (stack.length > 0) {
     const {depth, type} = stack[stack.length - 1];
     return type === 'render-idle' ? depth : depth + 1;
@@ -180,7 +180,7 @@ function markWorkCompleted(
   type: ReactMeasureType,
   stopTime: Milliseconds,
   currentProfilerData: TimelineData,
-  stack: $PropertyType<ProcessorState, 'measureStack'>,
+  stack: ProcessorState['measureStack'],
 ) {
   if (stack.length === 0) {
     console.error(
@@ -214,7 +214,7 @@ function markWorkCompleted(
 
 function throwIfIncomplete(
   type: ReactMeasureType,
-  stack: $PropertyType<ProcessorState, 'measureStack'>,
+  stack: ProcessorState['measureStack'],
 ) {
   const lastIndex = stack.length - 1;
   if (lastIndex >= 0) {
@@ -509,7 +509,7 @@ function processTimelineEvent(
       } else if (name.startsWith('--schedule-forced-update-')) {
         const [laneBitmaskString, componentName] = name.slice(25).split('-');
 
-        const forceUpdateEvent = {
+        const forceUpdateEvent: SchedulingEvent = {
           type: 'schedule-force-update',
           lanes: getLanesFromTransportDecimalBitmask(laneBitmaskString),
           componentName,
@@ -527,7 +527,7 @@ function processTimelineEvent(
       } else if (name.startsWith('--schedule-state-update-')) {
         const [laneBitmaskString, componentName] = name.slice(24).split('-');
 
-        const stateUpdateEvent = {
+        const stateUpdateEvent: SchedulingEvent = {
           type: 'schedule-state-update',
           lanes: getLanesFromTransportDecimalBitmask(laneBitmaskString),
           componentName,
@@ -578,7 +578,7 @@ function processTimelineEvent(
         // We can't know if they'll be resolved or not at this point.
         // We'll just give them a default (fake) duration width.
 
-        const suspenseEvent = {
+        const suspenseEvent: SuspenseEvent = {
           componentName,
           depth,
           duration: null,
diff --git a/packages/react-devtools-timeline/src/types.js b/packages/react-devtools-timeline/src/types.js
index c28c78d88c80e..7ba6f935f2ac8 100644
--- a/packages/react-devtools-timeline/src/types.js
+++ b/packages/react-devtools-timeline/src/types.js
@@ -79,7 +79,7 @@ export type SchedulingEvent =
   | ReactScheduleRenderEvent
   | ReactScheduleStateUpdateEvent
   | ReactScheduleForceUpdateEvent;
-export type SchedulingEventType = $PropertyType<SchedulingEvent, 'type'>;
+export type SchedulingEventType = SchedulingEvent['type'];
 
 export type ReactMeasureType =
   | 'commit'
diff --git a/packages/react-dom-bindings/src/client/inputValueTracking.js b/packages/react-dom-bindings/src/client/inputValueTracking.js
index f89617fe6dae6..e931283e6020c 100644
--- a/packages/react-dom-bindings/src/client/inputValueTracking.js
+++ b/packages/react-dom-bindings/src/client/inputValueTracking.js
@@ -140,7 +140,7 @@ export function trackHydrated(
     return false;
   }
 
-  let valueField;
+  let valueField: 'checked' | 'value';
   let expectedValue;
   if (isCheckable(node)) {
     valueField = 'checked';
@@ -150,8 +150,11 @@ export function trackHydrated(
     valueField = 'value';
     expectedValue = initialValue;
   }
-  // eslint-disable-next-line react-internal/safe-string-coercion
-  const currentValue = '' + (node[valueField]: any);
+  const currentValue =
+    // eslint-disable-next-line react-internal/safe-string-coercion
+    '' +
+    (// $FlowFixMe[prop-missing]
+    node[valueField]: any);
   node._valueTracker = trackValueOnNode(node, valueField, expectedValue);
   return currentValue !== expectedValue;
 }
diff --git a/packages/react-dom-bindings/src/events/SyntheticEvent.js b/packages/react-dom-bindings/src/events/SyntheticEvent.js
index 469cd0f010c3b..acd50cf8e0c97 100644
--- a/packages/react-dom-bindings/src/events/SyntheticEvent.js
+++ b/packages/react-dom-bindings/src/events/SyntheticEvent.js
@@ -146,7 +146,7 @@ function createSyntheticEvent(Interface: EventInterfaceType) {
  * @interface Event
  * @see http://www.w3.org/TR/DOM-Level-3-Events/
  */
-const EventInterface = {
+const EventInterface: EventInterfaceType = {
   eventPhase: 0,
   bubbles: 0,
   cancelable: 0,
@@ -442,7 +442,7 @@ function getEventModifierState(nativeEvent: {[propName: string]: mixed}) {
  * @interface KeyboardEvent
  * @see http://www.w3.org/TR/DOM-Level-3-Events/
  */
-const KeyboardEventInterface = {
+const KeyboardEventInterface: EventInterfaceType = {
   ...UIEventInterface,
   key: getEventKey,
   code: 0,
@@ -505,7 +505,7 @@ export const SyntheticKeyboardEvent: $FlowFixMe = createSyntheticEvent(
  * @interface PointerEvent
  * @see http://www.w3.org/TR/pointerevents/
  */
-const PointerEventInterface = {
+const PointerEventInterface: EventInterfaceType = {
   ...MouseEventInterface,
   pointerId: 0,
   width: 0,
@@ -526,7 +526,7 @@ export const SyntheticPointerEvent: $FlowFixMe = createSyntheticEvent(
  * @interface TouchEvent
  * @see http://www.w3.org/TR/touch-events/
  */
-const TouchEventInterface = {
+const TouchEventInterface: EventInterfaceType = {
   ...UIEventInterface,
   touches: 0,
   targetTouches: 0,
@@ -545,7 +545,7 @@ export const SyntheticTouchEvent: $FlowFixMe =
  * @see http://www.w3.org/TR/2009/WD-css3-transitions-20090320/#transition-events-
  * @see https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent
  */
-const TransitionEventInterface = {
+const TransitionEventInterface: EventInterfaceType = {
   ...EventInterface,
   propertyName: 0,
   elapsedTime: 0,
@@ -559,7 +559,7 @@ export const SyntheticTransitionEvent: $FlowFixMe = createSyntheticEvent(
  * @interface WheelEvent
  * @see http://www.w3.org/TR/DOM-Level-3-Events/
  */
-const WheelEventInterface = {
+const WheelEventInterface: EventInterfaceType = {
   ...MouseEventInterface,
   deltaX(event: {[propName: string]: mixed}) {
     return 'deltaX' in event
@@ -594,7 +594,7 @@ const WheelEventInterface = {
 export const SyntheticWheelEvent: $FlowFixMe =
   createSyntheticEvent(WheelEventInterface);
 
-const ToggleEventInterface = {
+const ToggleEventInterface: EventInterfaceType = {
   ...EventInterface,
   newState: 0,
   oldState: 0,
diff --git a/packages/react-dom-bindings/src/shared/ReactDOMFormActions.js b/packages/react-dom-bindings/src/shared/ReactDOMFormActions.js
index 6dd4e4da44479..6978f4884506b 100644
--- a/packages/react-dom-bindings/src/shared/ReactDOMFormActions.js
+++ b/packages/react-dom-bindings/src/shared/ReactDOMFormActions.js
@@ -31,7 +31,7 @@ export type FormStatus = FormStatusPending | FormStatusNotPending;
 
 // Since the "not pending" value is always the same, we can reuse the
 // same object across all transitions.
-const sharedNotPendingObject = {
+const sharedNotPendingObject: FormStatusNotPending = {
   pending: false,
   data: null,
   method: null,
diff --git a/packages/react-markup/src/ReactMarkupServer.js b/packages/react-markup/src/ReactMarkupServer.js
index 34d234b0be44f..5f69c3d44a317 100644
--- a/packages/react-markup/src/ReactMarkupServer.js
+++ b/packages/react-markup/src/ReactMarkupServer.js
@@ -47,7 +47,7 @@ import {
 type ReactMarkupNodeList =
   // This is the intersection of ReactNodeList and ReactClientValue minus
   // Client/ServerReferences.
-  | React$Element<React$ComponentType<any>>
+  | component(...props: any)
   | LazyComponent<ReactMarkupNodeList, any>
   | React$Element<string>
   | string
diff --git a/packages/react-native-renderer/src/ReactNativeBridgeEventPlugin.js b/packages/react-native-renderer/src/ReactNativeBridgeEventPlugin.js
index 97c5cf05b1963..b22927d2cb288 100644
--- a/packages/react-native-renderer/src/ReactNativeBridgeEventPlugin.js
+++ b/packages/react-native-renderer/src/ReactNativeBridgeEventPlugin.js
@@ -10,6 +10,7 @@
 import type {
   AnyNativeEvent,
   EventTypes,
+  LegacyPluginModule,
 } from './legacy-events/PluginModuleType';
 import type {TopLevelType} from './legacy-events/TopLevelEventTypes';
 import SyntheticEvent from './legacy-events/SyntheticEvent';
@@ -165,7 +166,7 @@ function accumulateDirectDispatches(events: ?(Array<Object> | Object)) {
 // End of inline
 type PropagationPhases = 'bubbled' | 'captured';
 
-const ReactNativeBridgeEventPlugin = {
+const ReactNativeBridgeEventPlugin: LegacyPluginModule<AnyNativeEvent> = {
   eventTypes: ({}: EventTypes),
 
   extractEvents: function (
diff --git a/packages/react-native-renderer/src/legacy-events/ResponderTouchHistoryStore.js b/packages/react-native-renderer/src/legacy-events/ResponderTouchHistoryStore.js
index 50264d6c71945..4b523b0a92db2 100644
--- a/packages/react-native-renderer/src/legacy-events/ResponderTouchHistoryStore.js
+++ b/packages/react-native-renderer/src/legacy-events/ResponderTouchHistoryStore.js
@@ -207,6 +207,7 @@ const ResponderTouchHistoryStore = {
       touchHistory.numberActiveTouches = nativeEvent.touches.length;
       if (touchHistory.numberActiveTouches === 1) {
         touchHistory.indexOfSingleActiveTouch =
+          // $FlowFixMe[incompatible-type] might be null according to type
           nativeEvent.touches[0].identifier;
       }
     } else if (isEndish(topLevelType)) {
diff --git a/packages/react-reconciler/src/ReactFiberApplyGesture.js b/packages/react-reconciler/src/ReactFiberApplyGesture.js
index 1fa34e4957f84..fa75a1bdbd219 100644
--- a/packages/react-reconciler/src/ReactFiberApplyGesture.js
+++ b/packages/react-reconciler/src/ReactFiberApplyGesture.js
@@ -488,7 +488,7 @@ function recursivelyInsertNewFiber(
       const viewTransitionState: ViewTransitionState = finishedWork.stateNode;
       // TODO: If this was already cloned by a previous pass we can reuse those clones.
       viewTransitionState.clones = null;
-      let nextPhase;
+      let nextPhase: VisitPhase;
       if (visitPhase === INSERT_EXIT) {
         // This was an Enter of a ViewTransition. We now move onto inserting the inner
         // HostComponents and finding inner pairs.
@@ -637,7 +637,7 @@ function recursivelyInsertClonesFromExistingTree(
         // So we need it to be cleared before we do that.
         // TODO: Use some other temporary state to track this.
         child.flags &= ~Update;
-        let nextPhase;
+        let nextPhase: VisitPhase;
         if (visitPhase === CLONE_EXIT) {
           // This was an Enter of a ViewTransition. We now move onto unhiding the inner
           // HostComponents and finding inner pairs.
@@ -894,7 +894,7 @@ function insertDestinationClonesOfFiber(
         // Only insert clones if this tree is going to be visible. No need to
         // clone invisible content.
         // TODO: If this is visible but detached it should still be cloned.
-        let nextPhase;
+        let nextPhase: VisitPhase;
         if (visitPhase === CLONE_UPDATE && (flags & Visibility) !== NoFlags) {
           // This is the root of an appear. We need to trigger Enter transitions.
           nextPhase = CLONE_EXIT;
@@ -922,7 +922,7 @@ function insertDestinationClonesOfFiber(
       const viewTransitionState: ViewTransitionState = finishedWork.stateNode;
       // TODO: If this was already cloned by a previous pass we can reuse those clones.
       viewTransitionState.clones = null;
-      let nextPhase;
+      let nextPhase: VisitPhase;
       if (visitPhase === CLONE_EXIT) {
         // This was an Enter of a ViewTransition. We now move onto unhiding the inner
         // HostComponents and finding inner pairs.
diff --git a/packages/react-reconciler/src/ReactFiberCacheComponent.js b/packages/react-reconciler/src/ReactFiberCacheComponent.js
index 26398210528dd..0ab12bd4ec4d3 100644
--- a/packages/react-reconciler/src/ReactFiberCacheComponent.js
+++ b/packages/react-reconciler/src/ReactFiberCacheComponent.js
@@ -25,7 +25,7 @@ const AbortControllerLocal: typeof AbortController =
       function AbortControllerShim() {
         const listeners = [];
         const signal = (this.signal = {
-          aborted: false,
+          aborted: false as boolean,
           addEventListener: (type, listener) => {
             listeners.push(listener);
           },
diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.js b/packages/react-reconciler/src/ReactFiberCommitWork.js
index 8689f2eacf24d..810ddf5fcbb60 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.js
@@ -5020,7 +5020,7 @@ function commitPassiveUnmountInsideDeletedTreeOnFiber(
         const instance: OffscreenInstance = offscreenFiber.stateNode;
         const transitions = instance._transitions;
         if (transitions !== null) {
-          const abortReason = {
+          const abortReason: TransitionAbort = {
             reason: 'suspense',
             name: current.memoizedProps.name || null,
           };
@@ -5061,7 +5061,7 @@ function commitPassiveUnmountInsideDeletedTreeOnFiber(
         const instance: TracingMarkerInstance = current.stateNode;
         const transitions = instance.transitions;
         if (transitions !== null) {
-          const abortReason = {
+          const abortReason: TransitionAbort = {
             reason: 'marker',
             name: current.memoizedProps.name,
           };
diff --git a/packages/react-reconciler/src/ReactFiberHooks.js b/packages/react-reconciler/src/ReactFiberHooks.js
index 940dff5e69a06..b09caa4e28d23 100644
--- a/packages/react-reconciler/src/ReactFiberHooks.js
+++ b/packages/react-reconciler/src/ReactFiberHooks.js
@@ -1208,7 +1208,7 @@ function useMemoCache(size: number): Array<mixed> {
               ? currentMemoCache.data
               : // Clone the memo cache before each render (copy-on-write)
                 currentMemoCache.data.map(array => array.slice()),
-            index: 0,
+            index: 0 as number,
           };
         }
       }
@@ -1218,7 +1218,7 @@ function useMemoCache(size: number): Array<mixed> {
   if (memoCache == null) {
     memoCache = {
       data: [],
-      index: 0,
+      index: 0 as number,
     };
   }
   if (updateQueue === null) {
diff --git a/packages/react-reconciler/src/ReactFiberPerformanceTrack.js b/packages/react-reconciler/src/ReactFiberPerformanceTrack.js
index f7415dbf46dcc..57f121f6ec0cd 100644
--- a/packages/react-reconciler/src/ReactFiberPerformanceTrack.js
+++ b/packages/react-reconciler/src/ReactFiberPerformanceTrack.js
@@ -712,7 +712,6 @@ export function logTransitionStart(
       const color = eventIsRepeat ? 'secondary-light' : 'warning';
       if (__DEV__ && debugTask) {
         debugTask.run(
-          // $FlowFixMe[method-unbinding]
           console.timeStamp.bind(
             console,
             eventIsRepeat ? '' : 'Event: ' + eventType,
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.js b/packages/react-reconciler/src/ReactFiberWorkLoop.js
index e76083eb0a9fc..8c1f03bf1adf4 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.js
@@ -1060,7 +1060,7 @@ export function performWorkOnRoot(
     // even for regular pings.
     checkIfRootIsPrerendering(root, lanes);
 
-  let exitStatus = shouldTimeSlice
+  let exitStatus: RootExitStatus = shouldTimeSlice
     ? renderRootConcurrent(root, lanes)
     : renderRootSync(root, lanes, true);
 
@@ -1212,7 +1212,7 @@ function recoverFromConcurrentError(
   root: FiberRoot,
   originallyAttemptedLanes: Lanes,
   errorRetryLanes: Lanes,
-) {
+): RootExitStatus {
   // If an error occurred during hydration, discard server response and fall
   // back to client side render.
 
@@ -2520,7 +2520,7 @@ function workLoopSync() {
   }
 }
 
-function renderRootConcurrent(root: FiberRoot, lanes: Lanes) {
+function renderRootConcurrent(root: FiberRoot, lanes: Lanes): RootExitStatus {
   const prevExecutionContext = executionContext;
   executionContext |= RenderContext;
   const prevDispatcher = pushDispatcher(root.containerInfo);
diff --git a/packages/react-reconciler/src/ReactTestSelectors.js b/packages/react-reconciler/src/ReactTestSelectors.js
index de3e95c281e60..ec30b2112b219 100644
--- a/packages/react-reconciler/src/ReactTestSelectors.js
+++ b/packages/react-reconciler/src/ReactTestSelectors.js
@@ -48,7 +48,7 @@ type Type = symbol | number;
 
 type ComponentSelector = {
   $$typeof: Type,
-  value: React$ComponentType<empty>,
+  value: component(),
 };
 
 type HasPseudoClassSelector = {
@@ -79,7 +79,7 @@ type Selector =
   | TestNameSelector;
 
 export function createComponentSelector(
-  component: React$ComponentType<empty>,
+  component: component(),
 ): ComponentSelector {
   return {
     $$typeof: COMPONENT_TYPE,
diff --git a/packages/react-refresh/src/ReactFreshRuntime.js b/packages/react-refresh/src/ReactFreshRuntime.js
index 43e8148d3de11..079db6594ad77 100644
--- a/packages/react-refresh/src/ReactFreshRuntime.js
+++ b/packages/react-refresh/src/ReactFreshRuntime.js
@@ -671,8 +671,10 @@ export function isLikelyComponentType(type: any): boolean {
             // This looks like a class.
             return false;
           }
-          // eslint-disable-next-line no-proto
-          if (type.prototype.__proto__ !== Object.prototype) {
+          if (
+            // $FlowFixMe[prop-missing]
+            type.prototype.__proto__ !== Object.prototype // eslint-disable-line no-proto
+          ) {
             // It has a superclass.
             return false;
           }
diff --git a/packages/react-server/src/ReactFlightReplyServer.js b/packages/react-server/src/ReactFlightReplyServer.js
index 7c94352f288dc..424e26d36da17 100644
--- a/packages/react-server/src/ReactFlightReplyServer.js
+++ b/packages/react-server/src/ReactFlightReplyServer.js
@@ -556,7 +556,7 @@ function createModelResolver<T>(
     }
   } else {
     blocked = initializingChunkBlockedModel = {
-      deps: cyclic ? 0 : 1,
+      deps: (cyclic ? 0 : 1) as number,
       value: (null: any),
     };
   }
diff --git a/packages/react-server/src/ReactFlightServer.js b/packages/react-server/src/ReactFlightServer.js
index b8b3af14d5993..440748ca2f440 100644
--- a/packages/react-server/src/ReactFlightServer.js
+++ b/packages/react-server/src/ReactFlightServer.js
@@ -476,7 +476,7 @@ type ReactJSONValue =
 // Serializable values
 export type ReactClientValue =
   // Server Elements and Lazy Components are unwrapped on the Server
-  | React$Element<React$ComponentType<any>>
+  | React$Element<component(...props: any)>
   | LazyComponent<ReactClientValue, any>
   // References are passed by their value
   | ClientReference<any>
diff --git a/packages/react-test-renderer/src/ReactTestRenderer.js b/packages/react-test-renderer/src/ReactTestRenderer.js
index d4466b34279dd..08676503fa49b 100644
--- a/packages/react-test-renderer/src/ReactTestRenderer.js
+++ b/packages/react-test-renderer/src/ReactTestRenderer.js
@@ -9,6 +9,7 @@
 
 import type {Fiber, FiberRoot} from 'react-reconciler/src/ReactInternalTypes';
 import type {
+  Container,
   PublicInstance,
   Instance,
   TextInstance,
@@ -505,7 +506,7 @@ function create(
       isStrictMode = true;
     }
   }
-  let container = {
+  let container: Container = {
     children: ([]: Array<Instance | TextInstance>),
     createNodeMock,
     tag: 'CONTAINER',
diff --git a/packages/react/index.development.js b/packages/react/index.development.js
index b4c0632b7fdc3..595135e606e64 100644
--- a/packages/react/index.development.js
+++ b/packages/react/index.development.js
@@ -8,8 +8,6 @@
  */
 
 // Keep in sync with https://github.com/facebook/flow/blob/main/lib/react.js
-export type ComponentType<-P> = React$ComponentType<P>;
-export type AbstractComponent<-Config> = React$AbstractComponent<Config>;
 export type ElementType = React$ElementType;
 export type Element<+C> = React$Element<C>;
 export type Key = React$Key;
diff --git a/packages/react/index.js b/packages/react/index.js
index 4eb8f2dfc240b..cbeea0d28bb45 100644
--- a/packages/react/index.js
+++ b/packages/react/index.js
@@ -8,8 +8,6 @@
  */
 
 // Keep in sync with https://github.com/facebook/flow/blob/main/lib/react.js
-export type ComponentType<-P> = React$ComponentType<P>;
-export type AbstractComponent<-Config> = React$AbstractComponent<Config>;
 export type ElementType = React$ElementType;
 export type Element<+C> = React$Element<C>;
 export type MixedElement = React$Element<ElementType>;
diff --git a/packages/scheduler/src/forks/Scheduler.js b/packages/scheduler/src/forks/Scheduler.js
index dcbcc2cf528a2..88239b710676f 100644
--- a/packages/scheduler/src/forks/Scheduler.js
+++ b/packages/scheduler/src/forks/Scheduler.js
@@ -283,7 +283,7 @@ function unstable_runWithPriority<T>(
 }
 
 function unstable_next<T>(eventHandler: () => T): T {
-  var priorityLevel;
+  var priorityLevel: PriorityLevel;
   switch (currentPriorityLevel) {
     case ImmediatePriority:
     case UserBlockingPriority:
diff --git a/packages/scheduler/src/forks/SchedulerMock.js b/packages/scheduler/src/forks/SchedulerMock.js
index a362b23e1b7ae..cf76126410e6c 100644
--- a/packages/scheduler/src/forks/SchedulerMock.js
+++ b/packages/scheduler/src/forks/SchedulerMock.js
@@ -286,7 +286,7 @@ function unstable_runWithPriority<T>(
 }
 
 function unstable_next<T>(eventHandler: () => T): T {
-  var priorityLevel;
+  var priorityLevel: PriorityLevel;
   switch (currentPriorityLevel) {
     case ImmediatePriority:
     case UserBlockingPriority:
diff --git a/packages/scheduler/src/forks/SchedulerPostTask.js b/packages/scheduler/src/forks/SchedulerPostTask.js
index e72df5f36413c..700ff2e5d2c56 100644
--- a/packages/scheduler/src/forks/SchedulerPostTask.js
+++ b/packages/scheduler/src/forks/SchedulerPostTask.js
@@ -76,7 +76,7 @@ export function unstable_scheduleCallback<T>(
   callback: SchedulerCallback<T>,
   options?: {delay?: number},
 ): CallbackNode {
-  let postTaskPriority;
+  let postTaskPriority: PostTaskPriorityLevel;
   switch (priorityLevel) {
     case ImmediatePriority:
     case UserBlockingPriority:
@@ -196,7 +196,7 @@ export function unstable_getCurrentPriorityLevel(): PriorityLevel {
 }
 
 export function unstable_next<T>(callback: () => T): T {
-  let priorityLevel;
+  let priorityLevel: PriorityLevel;
   switch (currentPriorityLevel_DEPRECATED) {
     case ImmediatePriority:
     case UserBlockingPriority:
diff --git a/packages/shared/ReactPerformanceTrackProperties.js b/packages/shared/ReactPerformanceTrackProperties.js
index d523b84a52394..160c839c3ed52 100644
--- a/packages/shared/ReactPerformanceTrackProperties.js
+++ b/packages/shared/ReactPerformanceTrackProperties.js
@@ -19,7 +19,7 @@ const COMPLEX_ARRAY = 1;
 const PRIMITIVE_ARRAY = 2; // Primitive values only
 const ENTRIES_ARRAY = 3; // Tuple arrays of string and value (like Headers, Map, etc)
 function getArrayKind(array: Object): 0 | 1 | 2 | 3 {
-  let kind = EMPTY_ARRAY;
+  let kind: 0 | 1 | 2 | 3 = EMPTY_ARRAY;
   for (let i = 0; i < array.length; i++) {
     const value = array[i];
     if (typeof value === 'object' && value !== null) {
diff --git a/packages/use-sync-external-store/src/useSyncExternalStoreWithSelector.js b/packages/use-sync-external-store/src/useSyncExternalStoreWithSelector.js
index a7be5c0fe8fda..ddbd77c69822f 100644
--- a/packages/use-sync-external-store/src/useSyncExternalStoreWithSelector.js
+++ b/packages/use-sync-external-store/src/useSyncExternalStoreWithSelector.js
@@ -23,8 +23,7 @@ export function useSyncExternalStoreWithSelector<Snapshot, Selection>(
   selector: (snapshot: Snapshot) => Selection,
   isEqual?: (a: Selection, b: Selection) => boolean,
 ): Selection {
-  // Use this to track the rendered snapshot.
-  const instRef = useRef<
+  type Inst =
     | {
         hasValue: true,
         value: Selection,
@@ -32,10 +31,11 @@ export function useSyncExternalStoreWithSelector<Snapshot, Selection>(
     | {
         hasValue: false,
         value: null,
-      }
-    | null,
-  >(null);
-  let inst;
+      };
+
+  // Use this to track the rendered snapshot.
+  const instRef = useRef<Inst | null>(null);
+  let inst: Inst;
   if (instRef.current === null) {
     inst = {
       hasValue: false,
diff --git a/scripts/flow/config/flowconfig b/scripts/flow/config/flowconfig
index 5fa574b50f74c..93b557d92d947 100644
--- a/scripts/flow/config/flowconfig
+++ b/scripts/flow/config/flowconfig
@@ -31,6 +31,7 @@
 untyped-type-import=error
 internal-type=off
 deprecated-type=off
+unsafe-object-assign=off
 
 [options]
 munge_underscores=false
diff --git a/scripts/flow/environment.js b/scripts/flow/environment.js
index d8b2ac28f0d70..5556fad1a0001 100644
--- a/scripts/flow/environment.js
+++ b/scripts/flow/environment.js
@@ -17,83 +17,17 @@ declare const __REACT_DEVTOOLS_GLOBAL_HOOK__: any; /*?{
   inject: ?((stuff: Object) => void)
 };*/
 
-declare const globalThis: Object;
-
-declare const queueMicrotask: (fn: Function) => void;
 declare const reportError: (error: mixed) => void;
-declare const AggregateError: Class<Error>;
-
-declare const FinalizationRegistry: any;
 
 declare module 'create-react-class' {
   declare const exports: $FlowFixMe;
 }
 
-declare module 'error-stack-parser' {
-  // flow-typed signature: 132e48034ef4756600e1d98681a166b5
-  // flow-typed version: c6154227d1/error-stack-parser_v2.x.x/flow_>=v0.104.x
-
-  declare interface StackFrame {
-    constructor(object: StackFrame): StackFrame;
-
-    isConstructor?: boolean;
-    getIsConstructor(): boolean;
-    setIsConstructor(): void;
-
-    isEval?: boolean;
-    getIsEval(): boolean;
-    setIsEval(): void;
-
-    isNative?: boolean;
-    getIsNative(): boolean;
-    setIsNative(): void;
-
-    isTopLevel?: boolean;
-    getIsTopLevel(): boolean;
-    setIsTopLevel(): void;
-
-    columnNumber?: number;
-    getColumnNumber(): number;
-    setColumnNumber(): void;
-
-    lineNumber?: number;
-    getLineNumber(): number;
-    setLineNumber(): void;
-
-    fileName?: string;
-    getFileName(): string;
-    setFileName(): void;
-
-    functionName?: string;
-    getFunctionName(): string;
-    setFunctionName(): void;
-
-    source?: string;
-    getSource(): string;
-    setSource(): void;
-
-    args?: any[];
-    getArgs(): any[];
-    setArgs(): void;
-
-    evalOrigin?: StackFrame;
-    getEvalOrigin(): StackFrame;
-    setEvalOrigin(): void;
-
-    toString(): string;
-  }
-
-  declare class ErrorStackParser {
-    parse(error: Error): Array<StackFrame>;
-  }
-
-  declare module.exports: ErrorStackParser;
-}
-
 declare interface ConsoleTask {
   run<T>(f: () => T): T;
 }
 
+// $FlowFixMe[libdef-override]
 declare var console: {
   assert(condition: mixed, ...data: Array<any>): void,
   clear(): void,
@@ -148,7 +82,7 @@ declare class ScrollTimeline extends AnimationTimeline {
 
 // Flow hides the props of React$Element, this overrides it to unhide
 // them for React internals.
-// prettier-ignore
+// $FlowFixMe[libdef-override]
 declare opaque type React$Element<
   +ElementType: React$ElementType,
   +P = React$ElementProps<ElementType>,
@@ -227,100 +161,12 @@ declare var parcelRequire: {
   },
 };
 
-declare module 'fs/promises' {
-  declare const access: (path: string, mode?: number) => Promise<void>;
-  declare const lstat: (
-    path: string,
-    options?: ?{bigint?: boolean},
-  ) => Promise<mixed>;
-  declare const readdir: (
-    path: string,
-    options?:
-      | ?string
-      | {
-          encoding?: ?string,
-          withFileTypes?: ?boolean,
-        },
-  ) => Promise<Buffer>;
-  declare const readFile: (
-    path: string,
-    options?:
-      | ?string
-      | {
-          encoding?: ?string,
-        },
-  ) => Promise<Buffer>;
-  declare const readlink: (
-    path: string,
-    options?:
-      | ?string
-      | {
-          encoding?: ?string,
-        },
-  ) => Promise<mixed>;
-  declare const realpath: (
-    path: string,
-    options?:
-      | ?string
-      | {
-          encoding?: ?string,
-        },
-  ) => Promise<mixed>;
-  declare const stat: (
-    path: string,
-    options?: ?{bigint?: boolean},
-  ) => Promise<mixed>;
-}
 declare module 'pg' {
   declare const Pool: (options: mixed) => {
     query: (query: string, values?: Array<mixed>) => void,
   };
 }
 
-declare module 'util' {
-  declare function debuglog(section: string): (data: any, ...args: any) => void;
-  declare function format(format: string, ...placeholders: any): string;
-  declare function log(string: string): void;
-  declare function inspect(object: any, options?: util$InspectOptions): string;
-  declare function isArray(object: any): boolean;
-  declare function isRegExp(object: any): boolean;
-  declare function isDate(object: any): boolean;
-  declare function isError(object: any): boolean;
-  declare function inherits(
-    constructor: Function,
-    superConstructor: Function,
-  ): void;
-  declare function deprecate(f: Function, string: string): Function;
-  declare function promisify(f: Function): Function;
-  declare function callbackify(f: Function): Function;
-  declare class TextDecoder {
-    constructor(
-      encoding?: string,
-      options?: {
-        fatal?: boolean,
-        ignoreBOM?: boolean,
-        ...
-      },
-    ): void;
-    decode(
-      input?: ArrayBuffer | DataView | $TypedArray,
-      options?: {stream?: boolean, ...},
-    ): string;
-    encoding: string;
-    fatal: boolean;
-    ignoreBOM: boolean;
-  }
-  declare class TextEncoder {
-    constructor(encoding?: string): TextEncoder;
-    encode(buffer: string): Uint8Array;
-    encodeInto(
-      buffer: string,
-      dest: Uint8Array,
-    ): {read: number, written: number};
-    encoding: string;
-  }
-}
-
 declare module 'busboy' {
   import type {Writable, Readable} from 'stream';
 
@@ -456,13 +302,6 @@ declare const async_hooks: {
   executionAsyncId(): number,
 };
 
-declare module 'node:worker_threads' {
-  declare class MessageChannel {
-    port1: MessagePort;
-    port2: MessagePort;
-  }
-}
-
 declare module 'jest-diff' {
   declare type CompareKeys = ((a: string, b: string) => number) | void;
   declare type DiffOptions = {
diff --git a/yarn.lock b/yarn.lock
index 0acce52fd454b..c6d9d03cead57 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9298,12 +9298,12 @@ flatted@^3.2.9:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.3.1.tgz#21db470729a6734d4997002f439cb308987f567a"
   integrity sha512-X8cqMLLie7KsNUDSdzeN8FYK9rEt4Dt67OsG/DNGnYTSDBG4uFAJFBnUeiV+zCVAvwFy56IjM9sH51jVaEhNxw==
 
-flow-bin@^0.263:
-  version "0.263.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.263.0.tgz#0a836bdf82855d5df9858c781818ce51612be064"
-  integrity sha512-FkQywD+7wXru/7/SWJPVnZXUp6CW3XtrVZ26vhAdVfMx9xlwq/Zk/tXcn3OQuiHUA4kQvZNyfgRztp6oXgjsog==
+flow-bin@^0.274:
+  version "0.274.2"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.274.2.tgz#79cff569aab38eb04f6b1e64b899c932a51444a4"
+  integrity sha512-vTF+5hiC5qymweFKj7xs5ABlDqMWbB2fPkYC4MI32m652dFYsq/zvEVNc2M09udwAzplLcMIK2O9VswPfd8Isw==
 
-flow-remove-types@^2.263:
+flow-remove-types@^2.274:
   version "2.279.0"
   resolved "https://registry.yarnpkg.com/flow-remove-types/-/flow-remove-types-2.279.0.tgz#3a3388d9158eba0f82c40d80d31d9640b883a3f5"
   integrity sha512-bPFloMR/A2b/r/sIsf7Ix0LaMicCJNjwhXc4xEEQVzJCIz5u7C7XDaEOXOiqveKlCYK7DcBNn6R01Cbbc9gsYA==