microsoft · rectified95 · Apr 15, 2021 · Apr 9, 2021 · Apr 13, 2021 · Apr 13, 2021
diff --git a/change/@office-iss-react-native-win32-ab315788-6234-4c98-896a-9eb50dc87178.json b/change/@office-iss-react-native-win32-ab315788-6234-4c98-896a-9eb50dc87178.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Integrate 4/1 nightly RN build.",
+  "packageName": "@office-iss/react-native-win32",
+  "email": "igklemen@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/change/node-rnw-rpc-c92c0604-9bde-41ca-950d-5ee18a05721f.json b/change/node-rnw-rpc-c92c0604-9bde-41ca-950d-5ee18a05721f.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Integrate 4/1 nightly RN build.",
+  "packageName": "node-rnw-rpc",
+  "email": "igklemen@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/change/react-native-windows-b9a09a0f-311a-4f37-bf86-5d23900401d5.json b/change/react-native-windows-b9a09a0f-311a-4f37-bf86-5d23900401d5.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Integrate 4/1 nightly RN build.",
+  "packageName": "react-native-windows",
+  "email": "igklemen@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/packages/@office-iss/react-native-win32-tester/overrides.json b/packages/@office-iss/react-native-win32-tester/overrides.json
@@ -5,7 +5,7 @@
   "excludePatterns": [
     "src/js/examples-win32/**"
   ],
-  "baseVersion": "0.0.0-cfb5b5e20",
+  "baseVersion": "0.0.0-d04ec4dc6",
   "overrides": [
     {
       "type": "patch",

diff --git a/packages/@office-iss/react-native-win32-tester/package.json b/packages/@office-iss/react-native-win32-tester/package.json
@@ -15,7 +15,7 @@
   },
   "peerDependencies": {
     "@office-iss/react-native-win32": "^0.0.0-canary.86",
-    "react-native": "0.0.0-cfb5b5e20"
+    "react-native": "0.0.0-d04ec4dc6"
   },
   "devDependencies": {
     "@office-iss/react-native-win32": "^0.0.0-canary.86",
@@ -24,7 +24,7 @@
     "@types/node": "^14.14.22",
     "eslint": "7.12.0",
     "just-scripts": "^1.3.3",
-    "react-native": "0.0.0-cfb5b5e20",
+    "react-native": "0.0.0-d04ec4dc6",
     "react-native-platform-override": "^1.4.13",
     "typescript": "^3.8.3"
   }

diff --git a/packages/@office-iss/react-native-win32/.flowconfig b/packages/@office-iss/react-native-win32/.flowconfig
@@ -88,9 +88,6 @@ suppress_type=$FlowFixMeProps
 suppress_type=$FlowFixMeState
 suppress_type=$FlowFixMeEmpty
 
-experimental.abstract_locations=true
-experimental.new_signatures=true
-
 [lints]
 sketchy-null-number=warn
 sketchy-null-mixed=warn
@@ -112,4 +109,4 @@ untyped-import
 untyped-type-import
 
 [version]
-^0.146.0
+^0.148.0
diff --git a/packages/@office-iss/react-native-win32/overrides.json b/packages/@office-iss/react-native-win32/overrides.json
@@ -3,45 +3,45 @@
     ".flowconfig",
     "src/**"
   ],
-  "baseVersion": "0.0.0-cfb5b5e20",
+  "baseVersion": "0.0.0-d04ec4dc6",
   "overrides": [
     {
       "type": "derived",
       "file": ".flowconfig",
       "baseFile": ".flowconfig",
-      "baseHash": "718336b53dd84d09a5331cc4c6a3726114510030"
+      "baseHash": "7c2f3e8ecf80e5229d4e1fdad2b6ef324acae0c4"
     },
     {
       "type": "derived",
       "file": "src/index.win32.js",
       "baseFile": "index.js",
-      "baseHash": "ca978f1d83fd841a2aa9f30f3bfabb620de21273"
+      "baseHash": "84a9a90c70deaf3e42a67c82beafb1240c41bc95"
     },
     {
       "type": "patch",
       "file": "src/Libraries/Alert/Alert.win32.js",
       "baseFile": "Libraries/Alert/Alert.js",
-      "baseHash": "6ea428202edeea40370df390a6b8f7ab794270ac"
+      "baseHash": "99f0bc2c38daf35d5f08a0e0abeb5f21e583ce4e"
     },
     {
       "type": "patch",
       "file": "src/Libraries/BatchedBridge/MessageQueue.win32.js",
       "baseFile": "Libraries/BatchedBridge/MessageQueue.js",
-      "baseHash": "85eea8e9510b516c12e19fcfedc4553b990feb11",
+      "baseHash": "c47cdef67892acc92ca1df8aceef6909db24a029",
       "issue": 5807
     },
     {
       "type": "copy",
       "file": "src/Libraries/Components/AccessibilityInfo/AccessibilityInfo.win32.js",
       "baseFile": "Libraries/Components/AccessibilityInfo/AccessibilityInfo.android.js",
-      "baseHash": "a1534c3bec8ef3537345310684e129e7819b769f",
+      "baseHash": "54cf7e87dff60489f95adef777d73427eab0c866",
       "issue": 4578
     },
     {
       "type": "copy",
       "file": "src/Libraries/Components/AccessibilityInfo/legacySendAccessibilityEvent.win32.js",
       "baseFile": "Libraries/Components/AccessibilityInfo/legacySendAccessibilityEvent.android.js",
-      "baseHash": "1255817acafffa2461805c76a10daafc233de377",
+      "baseHash": "154f615eba014a1df9ff2d54591219dbbc53f381",
       "issue": 4578
     },
     {
@@ -152,7 +152,7 @@
       "type": "derived",
       "file": "src/Libraries/Components/TextInput/TextInput.win32.tsx",
       "baseFile": "Libraries/Components/TextInput/TextInput.js",
-      "baseHash": "4f5fe56bdded55bbeee1b54356f82361bb1f8b02"
+      "baseHash": "506d84a349fef1ad532b7c02a1836fce7befa616"
     },
     {
       "type": "patch",
@@ -233,7 +233,7 @@
       "type": "derived",
       "file": "src/Libraries/Image/Image.win32.js",
       "baseFile": "Libraries/Image/Image.ios.js",
-      "baseHash": "9fb656bbb836310325789d897879f769124eb31c",
+      "baseHash": "bb70db26cb8d42b51037d43a6ab9eace183a0f71",
       "issue": 4320
     },
     {

diff --git a/packages/@office-iss/react-native-win32/package.json b/packages/@office-iss/react-native-win32/package.json
@@ -61,19 +61,19 @@
     "@types/react-native": "^0.63.46",
     "babel-eslint": "^10.1.0",
     "eslint": "7.12.0",
-    "flow-bin": "^0.146.0",
+    "flow-bin": "^0.148.0",
     "jscodeshift": "^0.11.0",
     "just-scripts": "^1.3.3",
     "prettier": "1.19.1",
     "react": "17.0.1",
-    "react-native": "0.0.0-cfb5b5e20",
+    "react-native": "0.0.0-d04ec4dc6",
     "react-native-platform-override": "^1.4.13",
     "react-shallow-renderer": "16.14.1",
     "typescript": "^3.8.3"
   },
   "peerDependencies": {
     "react": "17.0.1",
-    "react-native": "0.0.0-cfb5b5e20"
+    "react-native": "0.0.0-d04ec4dc6"
   },
   "beachball": {
     "defaultNpmTag": "canary",

diff --git a/packages/@office-iss/react-native-win32/src/Libraries/BatchedBridge/MessageQueue.win32.js b/packages/@office-iss/react-native-win32/src/Libraries/BatchedBridge/MessageQueue.win32.js
@@ -159,9 +159,9 @@ class MessageQueue {
     this._lazyCallableModules[name] = () => module;
   }
 
-  registerLazyCallableModule(name: string, factory: void => {...}) {
-    let module: {...};
-    let getValue: ?(void) => {...} = factory;
+  registerLazyCallableModule(name: string, factory: void => interface {}) {
+    let module: interface {};
+    let getValue: ?(void) => interface {} = factory;
     this._lazyCallableModules[name] = () => {
       if (getValue) {
         module = getValue();
@@ -390,7 +390,7 @@ class MessageQueue {
   // can be configured by the VM or any Inspector
   __shouldPauseOnThrow(): boolean {
     return (
-      // $FlowFixMe
+      // $FlowFixMe[cannot-resolve-name]
       typeof DebuggerInternal !== 'undefined' &&
       DebuggerInternal.shouldPauseOnThrow === true // eslint-disable-line no-undef
     );

diff --git a/.../react-native-win32/src/Libraries/Components/AccessibilityInfo/AccessibilityInfo.win32.js b/.../react-native-win32/src/Libraries/Components/AccessibilityInfo/AccessibilityInfo.win32.js
@@ -26,7 +26,7 @@ type AccessibilityEventDefinitions = {
   change: [boolean],
 };
 
-type AccessibilityEventTypes = 'focus';
+type AccessibilityEventTypes = 'focus' | 'click';
 
 const _subscriptions = new Map();
 
@@ -162,7 +162,12 @@ const AccessibilityInfo = {
     eventType: AccessibilityEventTypes,
   ) {
     // route through React renderer to distinguish between Fabric and non-Fabric handles
-    sendAccessibilityEvent(handle, eventType);
+    // iOS only supports 'focus' event types
+    if (eventType === 'focus') {
+      sendAccessibilityEvent(handle, eventType);
+    } else if (eventType === 'click') {
+      // Do nothing!
+    }
   },
 
   /**

diff --git a/...ve-win32/src/Libraries/Components/AccessibilityInfo/legacySendAccessibilityEvent.win32.js b/...ve-win32/src/Libraries/Components/AccessibilityInfo/legacySendAccessibilityEvent.win32.js
@@ -24,6 +24,12 @@ function legacySendAccessibilityEvent(
       UIManager.getConstants().AccessibilityEventTypes.typeViewFocused,
     );
   }
+  if (eventType === 'click') {
+    UIManager.sendAccessibilityEvent(
+      reactTag,
+      UIManager.getConstants().AccessibilityEventTypes.typeViewClicked,
+    );
+  }
 }
 
 module.exports = legacySendAccessibilityEvent;
diff --git a/packages/@office-iss/react-native-win32/src/Libraries/Image/Image.win32.js b/packages/@office-iss/react-native-win32/src/Libraries/Image/Image.win32.js
@@ -132,12 +132,10 @@ let Image = (props: ImagePropsType, forwardedRef) => {
   let sources;
   let style: ImageStyleProp;
   if (Array.isArray(source)) {
-    // $FlowFixMe flattenStyle is not strong enough
     style = flattenStyle([styles.base, props.style]) || {};
     sources = source;
   } else {
     const {width, height, uri} = source;
-    // $FlowFixMe flattenStyle is not strong enough
     style = flattenStyle([{width, height}, styles.base, props.style]) || {};
     sources = [source];
 
@@ -209,9 +207,9 @@ Image.displayName = 'Image';
  *
  * See https://reactnative.dev/docs/image.html#getsize
  */
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
+/* $FlowFixMe[prop-missing] (>=0.89.0 site=react_native_ios_fb) This comment
+ * suppresses an error found when Flow v0.89 was deployed. To see the error,
+ * delete this comment and run Flow. */
 Image.getSize = getSize;
 
 /**
@@ -220,9 +218,9 @@ Image.getSize = getSize;
  *
  * See https://reactnative.dev/docs/image.html#getsizewithheaders
  */
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
+/* $FlowFixMe[prop-missing] (>=0.89.0 site=react_native_ios_fb) This comment
+ * suppresses an error found when Flow v0.89 was deployed. To see the error,
+ * delete this comment and run Flow. */
 Image.getSizeWithHeaders = getSizeWithHeaders;
 
 /**
@@ -231,9 +229,9 @@ Image.getSizeWithHeaders = getSizeWithHeaders;
  *
  * See https://reactnative.dev/docs/image.html#prefetch
  */
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
+/* $FlowFixMe[prop-missing] (>=0.89.0 site=react_native_ios_fb) This comment
+ * suppresses an error found when Flow v0.89 was deployed. To see the error,
+ * delete this comment and run Flow. */
 Image.prefetch = prefetch;
 
 /**
@@ -242,34 +240,31 @@ Image.prefetch = prefetch;
  *
  * See https://reactnative.dev/docs/image.html#prefetch
  */
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
+/* $FlowFixMe[prop-missing] (>=0.89.0 site=react_native_ios_fb) This comment
+ * suppresses an error found when Flow v0.89 was deployed. To see the error,
+ * delete this comment and run Flow. */
 Image.prefetchWithMetadata = prefetchWithMetadata;
 
 /**
  * Performs cache interrogation.
  *
  *  See https://reactnative.dev/docs/image.html#querycache
  */
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
+/* $FlowFixMe[prop-missing] (>=0.89.0 site=react_native_ios_fb) This comment
+ * suppresses an error found when Flow v0.89 was deployed. To see the error,
+ * delete this comment and run Flow. */
 Image.queryCache = queryCache;
 
 /**
  * Resolves an asset reference into an object.
  *
  * See https://reactnative.dev/docs/image.html#resolveassetsource
  */
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
+/* $FlowFixMe[prop-missing] (>=0.89.0 site=react_native_ios_fb) This comment
+ * suppresses an error found when Flow v0.89 was deployed. To see the error,
+ * delete this comment and run Flow. */
 Image.resolveAssetSource = resolveAssetSource;
 
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
 Image.propTypes = DeprecatedImagePropType;
 
 const styles = StyleSheet.create({