diff --git a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-dev.js b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-dev.js
index 558318d79c773..c0ab6902ae7a0 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-dev.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-dev.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<8514bdf3885188125eab2e51d9ecb536>>
+ * @generated SignedSource<<fbc5f0d556063e18e8065897a4edae21>>
  */
 
 'use strict';
@@ -6141,45 +6141,36 @@ function createChildReconciler(shouldTrackSideEffects) {
       throw new Error('An object is not an iterable. This error is likely caused by a bug in ' + 'React. Please file an issue.');
     }
 
-    {
-      // We don't support rendering Generators because it's a mutation.
-      // See https://github.com/facebook/react/issues/12995
-      if (typeof Symbol === 'function' && // $FlowFixMe[prop-missing] Flow doesn't know about toStringTag
-      newChildrenIterable[Symbol.toStringTag] === 'Generator') {
-        if (!didWarnAboutGenerators) {
-          error('Using Generators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. Keep in mind ' + 'you might need to polyfill these features for older browsers.');
-        }
-
-        didWarnAboutGenerators = true;
-      } // Warn about using Maps as children
+    var newChildren = iteratorFn.call(newChildrenIterable);
 
+    {
+      if (newChildren === newChildrenIterable) {
+        // We don't support rendering Generators as props because it's a mutation.
+        // See https://github.com/facebook/react/issues/12995
+        // We do support generators if they were created by a GeneratorFunction component
+        // as its direct child since we can recreate those by rerendering the component
+        // as needed.
+        var isGeneratorComponent = returnFiber.tag === FunctionComponent && // $FlowFixMe[method-unbinding]
+        Object.prototype.toString.call(returnFiber.type) === '[object GeneratorFunction]' && // $FlowFixMe[method-unbinding]
+        Object.prototype.toString.call(newChildren) === '[object Generator]';
+
+        if (!isGeneratorComponent) {
+          if (!didWarnAboutGenerators) {
+            error('Using Iterators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. You can also use an ' + 'Iterable that can iterate multiple times over the same items.');
+          }
 
-      if (newChildrenIterable.entries === iteratorFn) {
+          didWarnAboutGenerators = true;
+        }
+      } else if (newChildrenIterable.entries === iteratorFn) {
+        // Warn about using Maps as children
         if (!didWarnAboutMaps) {
           error('Using Maps as children is not supported. ' + 'Use an array of keyed ReactElements instead.');
-        }
-
-        didWarnAboutMaps = true;
-      } // First, validate keys.
-      // We'll get a different iterator later for the main pass.
 
-
-      var _newChildren = iteratorFn.call(newChildrenIterable);
-
-      if (_newChildren) {
-        var knownKeys = null;
-
-        var _step = _newChildren.next();
-
-        for (; !_step.done; _step = _newChildren.next()) {
-          var child = _step.value;
-          knownKeys = warnOnInvalidKey(child, knownKeys, returnFiber);
+          didWarnAboutMaps = true;
         }
       }
     }
 
-    var newChildren = iteratorFn.call(newChildrenIterable);
-
     if (newChildren == null) {
       throw new Error('An iterable object provided no iterator.');
     }
@@ -6190,9 +6181,14 @@ function createChildReconciler(shouldTrackSideEffects) {
     var lastPlacedIndex = 0;
     var newIdx = 0;
     var nextOldFiber = null;
+    var knownKeys = null;
     var step = newChildren.next();
 
-    for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next()) {
+    {
+      knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber);
+    }
+
+    for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
       if (oldFiber.index > newIdx) {
         nextOldFiber = oldFiber;
         oldFiber = null;
@@ -6249,7 +6245,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (oldFiber === null) {
       // If we don't have any more existing children we can choose a fast path
       // since the rest will all be insertions.
-      for (; !step.done; newIdx++, step = newChildren.next()) {
+      for (; !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
         var _newFiber3 = createChild(returnFiber, step.value, lanes, debugInfo);
 
         if (_newFiber3 === null) {
@@ -6274,7 +6270,7 @@ function createChildReconciler(shouldTrackSideEffects) {
 
     var existingChildren = mapRemainingChildren(oldFiber); // Keep scanning and use the map to restore deleted items as moves.
 
-    for (; !step.done; newIdx++, step = newChildren.next()) {
+    for (; !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
       var _newFiber4 = updateFromMap(existingChildren, returnFiber, newIdx, step.value, lanes, debugInfo);
 
       if (_newFiber4 !== null) {
@@ -22990,7 +22986,7 @@ identifierPrefix, onUncaughtError, onCaughtError, onRecoverableError, transition
   return root;
 }
 
-var ReactVersion = '19.0.0-canary-66405eaa';
+var ReactVersion = '19.0.0-canary-c4e3bea9';
 
 /*
  * The `'' + value` pattern (used in perf-sensitive code) throws for Symbol
diff --git a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-prod.js b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-prod.js
index 15d6f529dbd8b..c2e1385d2c0c9 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-prod.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-prod.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<f3eb1768c908f25292e8f079ec672f53>>
+ * @generated SignedSource<<8230647a80c4b86b8cf8384768883557>>
  */
 
 "use strict";
@@ -1825,7 +1825,7 @@ function createChildReconciler(shouldTrackSideEffects) {
         nextOldFiber = null,
         step = newChildrenIterable.next();
       null !== oldFiber && !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     ) {
       oldFiber.index > newIdx
         ? ((nextOldFiber = oldFiber), (oldFiber = null))
@@ -1849,7 +1849,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (step.done)
       return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn;
     if (null === oldFiber) {
-      for (; !step.done; newIdx++, step = newChildrenIterable.next())
+      for (; !step.done; newIdx++, step = newChildrenIterable.next(), null)
         (step = createChild(returnFiber, step.value, lanes)),
           null !== step &&
             ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)),
@@ -1862,7 +1862,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     for (
       oldFiber = mapRemainingChildren(oldFiber);
       !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     )
       (step = updateFromMap(oldFiber, returnFiber, newIdx, step.value, lanes)),
         null !== step &&
@@ -9144,7 +9144,7 @@ var devToolsConfig$jscomp$inline_1019 = {
     throw Error("TestRenderer does not support findFiberByHostInstance()");
   },
   bundleType: 0,
-  version: "19.0.0-canary-7a48fce4",
+  version: "19.0.0-canary-a8200c0a",
   rendererPackageName: "react-test-renderer"
 };
 var internals$jscomp$inline_1238 = {
@@ -9175,7 +9175,7 @@ var internals$jscomp$inline_1238 = {
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "19.0.0-canary-7a48fce4"
+  reconcilerVersion: "19.0.0-canary-a8200c0a"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_1239 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
diff --git a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-profiling.js b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-profiling.js
index 78892556831a9..75e1e7d7a0772 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-profiling.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react-test-renderer/cjs/ReactTestRenderer-profiling.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<9206ca0f6781a4c840d6d393f26b3429>>
+ * @generated SignedSource<<9f8b5b89043962a79b6b2123a526bf46>>
  */
 
 "use strict";
@@ -1913,7 +1913,7 @@ function createChildReconciler(shouldTrackSideEffects) {
         nextOldFiber = null,
         step = newChildrenIterable.next();
       null !== oldFiber && !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     ) {
       oldFiber.index > newIdx
         ? ((nextOldFiber = oldFiber), (oldFiber = null))
@@ -1937,7 +1937,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (step.done)
       return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn;
     if (null === oldFiber) {
-      for (; !step.done; newIdx++, step = newChildrenIterable.next())
+      for (; !step.done; newIdx++, step = newChildrenIterable.next(), null)
         (step = createChild(returnFiber, step.value, lanes)),
           null !== step &&
             ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)),
@@ -1950,7 +1950,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     for (
       oldFiber = mapRemainingChildren(oldFiber);
       !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     )
       (step = updateFromMap(oldFiber, returnFiber, newIdx, step.value, lanes)),
         null !== step &&
@@ -9760,7 +9760,7 @@ var devToolsConfig$jscomp$inline_1101 = {
     throw Error("TestRenderer does not support findFiberByHostInstance()");
   },
   bundleType: 0,
-  version: "19.0.0-canary-39a6938a",
+  version: "19.0.0-canary-359342b1",
   rendererPackageName: "react-test-renderer"
 };
 (function (internals) {
@@ -9804,7 +9804,7 @@ var devToolsConfig$jscomp$inline_1101 = {
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "19.0.0-canary-39a6938a"
+  reconcilerVersion: "19.0.0-canary-359342b1"
 });
 exports._Scheduler = Scheduler;
 exports.act = act;
diff --git a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXDEVRuntime-dev.js b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXDEVRuntime-dev.js
index c6f601d067d08..b637962008d68 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXDEVRuntime-dev.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXDEVRuntime-dev.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<8f878889d9995d2ae240b302c52058bd>>
+ * @generated SignedSource<<b7764b0ac63cb81257aa2e03fa2024ca>>
  */
 
 'use strict';
@@ -1304,11 +1304,14 @@ function validateChildKeys(node, parentType) {
         // but now we print a separate warning for them later.
         if (iteratorFn !== node.entries) {
           var iterator = iteratorFn.call(node);
-          var step;
 
-          while (!(step = iterator.next()).done) {
-            if (isValidElement(step.value)) {
-              validateExplicitKey(step.value, parentType);
+          if (iterator !== node) {
+            var step;
+
+            while (!(step = iterator.next()).done) {
+              if (isValidElement(step.value)) {
+                validateExplicitKey(step.value, parentType);
+              }
             }
           }
         }
diff --git a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXRuntime-dev.js b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXRuntime-dev.js
index 0cc9c98978f82..7c2ac70b2200e 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXRuntime-dev.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/JSXRuntime-dev.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<63334719117bc7e81815150b27588000>>
+ * @generated SignedSource<<6786f79c50baa1d713a06b4ed12afb60>>
  */
 
 'use strict';
@@ -1328,11 +1328,14 @@ function validateChildKeys(node, parentType) {
         // but now we print a separate warning for them later.
         if (iteratorFn !== node.entries) {
           var iterator = iteratorFn.call(node);
-          var step;
 
-          while (!(step = iterator.next()).done) {
-            if (isValidElement(step.value)) {
-              validateExplicitKey(step.value, parentType);
+          if (iterator !== node) {
+            var step;
+
+            while (!(step = iterator.next()).done) {
+              if (isValidElement(step.value)) {
+                validateExplicitKey(step.value, parentType);
+              }
             }
           }
         }
diff --git a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/React-dev.js b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/React-dev.js
index 7d765da45b958..c396e4d31d401 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/React-dev.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/RKJSModules/vendor/react/cjs/React-dev.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<1ccd58cd787da0b40cbf5543503953db>>
+ * @generated SignedSource<<745c28cba28ff3a4a3a391cfdfdd1c1b>>
  */
 
 'use strict';
@@ -27,7 +27,7 @@ if (
 }
           var dynamicFlagsUntyped = require('ReactNativeInternalFeatureFlags');
 
-var ReactVersion = '19.0.0-canary-c627bf44';
+var ReactVersion = '19.0.0-canary-e8808e1d';
 
 // ATTENTION
 // When adding new symbols to this file,
@@ -1889,11 +1889,14 @@ function validateChildKeys(node, parentType) {
         // but now we print a separate warning for them later.
         if (iteratorFn !== node.entries) {
           var iterator = iteratorFn.call(node);
-          var step;
 
-          while (!(step = iterator.next()).done) {
-            if (isValidElement(step.value)) {
-              validateExplicitKey(step.value, parentType);
+          if (iterator !== node) {
+            var step;
+
+            while (!(step = iterator.next()).done) {
+              if (isValidElement(step.value)) {
+                validateExplicitKey(step.value, parentType);
+              }
             }
           }
         }
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/REVISION b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/REVISION
index f84466e1b800f..d7ae26c1bbb0d 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/REVISION
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/REVISION
@@ -1 +1 @@
-ea26e38e33bffeba1ecc42688d7e8cd7e0da1c02
+368202181e772d411b2445930aea1edd9428b09b
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-dev.fb.js b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-dev.fb.js
index c4cd957d0f3a0..00c7f089ac591 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-dev.fb.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-dev.fb.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<1a8fdf80e78f9d6a4a8bccd8d1a9a735>>
+ * @generated SignedSource<<6bbaf37a7e6d0c6b86bd687aa4e09ebe>>
  */
 
 'use strict';
@@ -9101,45 +9101,36 @@ function createChildReconciler(shouldTrackSideEffects) {
       throw new Error('An object is not an iterable. This error is likely caused by a bug in ' + 'React. Please file an issue.');
     }
 
-    {
-      // We don't support rendering Generators because it's a mutation.
-      // See https://github.com/facebook/react/issues/12995
-      if (typeof Symbol === 'function' && // $FlowFixMe[prop-missing] Flow doesn't know about toStringTag
-      newChildrenIterable[Symbol.toStringTag] === 'Generator') {
-        if (!didWarnAboutGenerators) {
-          error('Using Generators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. Keep in mind ' + 'you might need to polyfill these features for older browsers.');
-        }
-
-        didWarnAboutGenerators = true;
-      } // Warn about using Maps as children
+    var newChildren = iteratorFn.call(newChildrenIterable);
 
+    {
+      if (newChildren === newChildrenIterable) {
+        // We don't support rendering Generators as props because it's a mutation.
+        // See https://github.com/facebook/react/issues/12995
+        // We do support generators if they were created by a GeneratorFunction component
+        // as its direct child since we can recreate those by rerendering the component
+        // as needed.
+        var isGeneratorComponent = returnFiber.tag === FunctionComponent && // $FlowFixMe[method-unbinding]
+        Object.prototype.toString.call(returnFiber.type) === '[object GeneratorFunction]' && // $FlowFixMe[method-unbinding]
+        Object.prototype.toString.call(newChildren) === '[object Generator]';
+
+        if (!isGeneratorComponent) {
+          if (!didWarnAboutGenerators) {
+            error('Using Iterators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. You can also use an ' + 'Iterable that can iterate multiple times over the same items.');
+          }
 
-      if (newChildrenIterable.entries === iteratorFn) {
+          didWarnAboutGenerators = true;
+        }
+      } else if (newChildrenIterable.entries === iteratorFn) {
+        // Warn about using Maps as children
         if (!didWarnAboutMaps) {
           error('Using Maps as children is not supported. ' + 'Use an array of keyed ReactElements instead.');
-        }
-
-        didWarnAboutMaps = true;
-      } // First, validate keys.
-      // We'll get a different iterator later for the main pass.
 
-
-      var _newChildren = iteratorFn.call(newChildrenIterable);
-
-      if (_newChildren) {
-        var knownKeys = null;
-
-        var _step = _newChildren.next();
-
-        for (; !_step.done; _step = _newChildren.next()) {
-          var child = _step.value;
-          knownKeys = warnOnInvalidKey(child, knownKeys, returnFiber);
+          didWarnAboutMaps = true;
         }
       }
     }
 
-    var newChildren = iteratorFn.call(newChildrenIterable);
-
     if (newChildren == null) {
       throw new Error('An iterable object provided no iterator.');
     }
@@ -9150,9 +9141,14 @@ function createChildReconciler(shouldTrackSideEffects) {
     var lastPlacedIndex = 0;
     var newIdx = 0;
     var nextOldFiber = null;
+    var knownKeys = null;
     var step = newChildren.next();
 
-    for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next()) {
+    {
+      knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber);
+    }
+
+    for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
       if (oldFiber.index > newIdx) {
         nextOldFiber = oldFiber;
         oldFiber = null;
@@ -9209,7 +9205,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (oldFiber === null) {
       // If we don't have any more existing children we can choose a fast path
       // since the rest will all be insertions.
-      for (; !step.done; newIdx++, step = newChildren.next()) {
+      for (; !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
         var _newFiber3 = createChild(returnFiber, step.value, lanes, debugInfo);
 
         if (_newFiber3 === null) {
@@ -9234,7 +9230,7 @@ function createChildReconciler(shouldTrackSideEffects) {
 
     var existingChildren = mapRemainingChildren(oldFiber); // Keep scanning and use the map to restore deleted items as moves.
 
-    for (; !step.done; newIdx++, step = newChildren.next()) {
+    for (; !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
       var _newFiber4 = updateFromMap(existingChildren, returnFiber, newIdx, step.value, lanes, debugInfo);
 
       if (_newFiber4 !== null) {
@@ -26060,7 +26056,7 @@ identifierPrefix, onUncaughtError, onCaughtError, onRecoverableError, transition
   return root;
 }
 
-var ReactVersion = '19.0.0-canary-e42cf623';
+var ReactVersion = '19.0.0-canary-b83624af';
 
 /*
  * The `'' + value` pattern (used in perf-sensitive code) throws for Symbol
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-prod.fb.js b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-prod.fb.js
index d42407ff200f9..f95f11a2b2830 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-prod.fb.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-prod.fb.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<d42756695dd6c4c7a24ede54b6a5902a>>
+ * @generated SignedSource<<885ed33c17f9bf322d3f754c50d26ed9>>
  */
 
 "use strict";
@@ -3350,7 +3350,7 @@ function createChildReconciler(shouldTrackSideEffects) {
         nextOldFiber = null,
         step = newChildrenIterable.next();
       null !== oldFiber && !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     ) {
       oldFiber.index > newIdx
         ? ((nextOldFiber = oldFiber), (oldFiber = null))
@@ -3374,7 +3374,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (step.done)
       return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn;
     if (null === oldFiber) {
-      for (; !step.done; newIdx++, step = newChildrenIterable.next())
+      for (; !step.done; newIdx++, step = newChildrenIterable.next(), null)
         (step = createChild(returnFiber, step.value, lanes)),
           null !== step &&
             ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)),
@@ -3387,7 +3387,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     for (
       oldFiber = mapRemainingChildren(oldFiber);
       !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     )
       (step = updateFromMap(oldFiber, returnFiber, newIdx, step.value, lanes)),
         null !== step &&
@@ -10602,7 +10602,7 @@ var roots = new Map(),
   devToolsConfig$jscomp$inline_1099 = {
     findFiberByHostInstance: getInstanceFromNode,
     bundleType: 0,
-    version: "19.0.0-canary-7f7baf16",
+    version: "19.0.0-canary-d7b022bb",
     rendererPackageName: "react-native-renderer",
     rendererConfig: {
       getInspectorDataForInstance: getInspectorDataForInstance,
@@ -10645,7 +10645,7 @@ var internals$jscomp$inline_1366 = {
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "19.0.0-canary-7f7baf16"
+  reconcilerVersion: "19.0.0-canary-d7b022bb"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_1367 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-profiling.fb.js b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-profiling.fb.js
index b8bf91b0744db..20f974e88cd2b 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-profiling.fb.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactFabric-profiling.fb.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<64acec7be24561ecbf6d2eaf55e55d0a>>
+ * @generated SignedSource<<0fd40d36a058297c5f28d3505e638983>>
  */
 
 "use strict";
@@ -3472,7 +3472,7 @@ function createChildReconciler(shouldTrackSideEffects) {
         nextOldFiber = null,
         step = newChildrenIterable.next();
       null !== oldFiber && !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     ) {
       oldFiber.index > newIdx
         ? ((nextOldFiber = oldFiber), (oldFiber = null))
@@ -3496,7 +3496,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (step.done)
       return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn;
     if (null === oldFiber) {
-      for (; !step.done; newIdx++, step = newChildrenIterable.next())
+      for (; !step.done; newIdx++, step = newChildrenIterable.next(), null)
         (step = createChild(returnFiber, step.value, lanes)),
           null !== step &&
             ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)),
@@ -3509,7 +3509,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     for (
       oldFiber = mapRemainingChildren(oldFiber);
       !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     )
       (step = updateFromMap(oldFiber, returnFiber, newIdx, step.value, lanes)),
         null !== step &&
@@ -11307,7 +11307,7 @@ var roots = new Map(),
   devToolsConfig$jscomp$inline_1179 = {
     findFiberByHostInstance: getInstanceFromNode,
     bundleType: 0,
-    version: "19.0.0-canary-ef6bcf29",
+    version: "19.0.0-canary-9e21665c",
     rendererPackageName: "react-native-renderer",
     rendererConfig: {
       getInspectorDataForInstance: getInspectorDataForInstance,
@@ -11363,7 +11363,7 @@ var roots = new Map(),
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "19.0.0-canary-ef6bcf29"
+  reconcilerVersion: "19.0.0-canary-9e21665c"
 });
 exports.createPortal = function (children, containerTag) {
   return createPortal$1(
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-dev.fb.js b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-dev.fb.js
index 55cd113e1eab5..0e227c6f612be 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-dev.fb.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-dev.fb.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<0ce01fc662f6de8232355aded350d529>>
+ * @generated SignedSource<<1c5ee0ee0fef4e85b317999b53699b5f>>
  */
 
 'use strict';
@@ -9340,45 +9340,36 @@ function createChildReconciler(shouldTrackSideEffects) {
       throw new Error('An object is not an iterable. This error is likely caused by a bug in ' + 'React. Please file an issue.');
     }
 
-    {
-      // We don't support rendering Generators because it's a mutation.
-      // See https://github.com/facebook/react/issues/12995
-      if (typeof Symbol === 'function' && // $FlowFixMe[prop-missing] Flow doesn't know about toStringTag
-      newChildrenIterable[Symbol.toStringTag] === 'Generator') {
-        if (!didWarnAboutGenerators) {
-          error('Using Generators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. Keep in mind ' + 'you might need to polyfill these features for older browsers.');
-        }
-
-        didWarnAboutGenerators = true;
-      } // Warn about using Maps as children
+    var newChildren = iteratorFn.call(newChildrenIterable);
 
+    {
+      if (newChildren === newChildrenIterable) {
+        // We don't support rendering Generators as props because it's a mutation.
+        // See https://github.com/facebook/react/issues/12995
+        // We do support generators if they were created by a GeneratorFunction component
+        // as its direct child since we can recreate those by rerendering the component
+        // as needed.
+        var isGeneratorComponent = returnFiber.tag === FunctionComponent && // $FlowFixMe[method-unbinding]
+        Object.prototype.toString.call(returnFiber.type) === '[object GeneratorFunction]' && // $FlowFixMe[method-unbinding]
+        Object.prototype.toString.call(newChildren) === '[object Generator]';
+
+        if (!isGeneratorComponent) {
+          if (!didWarnAboutGenerators) {
+            error('Using Iterators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. You can also use an ' + 'Iterable that can iterate multiple times over the same items.');
+          }
 
-      if (newChildrenIterable.entries === iteratorFn) {
+          didWarnAboutGenerators = true;
+        }
+      } else if (newChildrenIterable.entries === iteratorFn) {
+        // Warn about using Maps as children
         if (!didWarnAboutMaps) {
           error('Using Maps as children is not supported. ' + 'Use an array of keyed ReactElements instead.');
-        }
-
-        didWarnAboutMaps = true;
-      } // First, validate keys.
-      // We'll get a different iterator later for the main pass.
 
-
-      var _newChildren = iteratorFn.call(newChildrenIterable);
-
-      if (_newChildren) {
-        var knownKeys = null;
-
-        var _step = _newChildren.next();
-
-        for (; !_step.done; _step = _newChildren.next()) {
-          var child = _step.value;
-          knownKeys = warnOnInvalidKey(child, knownKeys, returnFiber);
+          didWarnAboutMaps = true;
         }
       }
     }
 
-    var newChildren = iteratorFn.call(newChildrenIterable);
-
     if (newChildren == null) {
       throw new Error('An iterable object provided no iterator.');
     }
@@ -9389,9 +9380,14 @@ function createChildReconciler(shouldTrackSideEffects) {
     var lastPlacedIndex = 0;
     var newIdx = 0;
     var nextOldFiber = null;
+    var knownKeys = null;
     var step = newChildren.next();
 
-    for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next()) {
+    {
+      knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber);
+    }
+
+    for (; oldFiber !== null && !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
       if (oldFiber.index > newIdx) {
         nextOldFiber = oldFiber;
         oldFiber = null;
@@ -9448,7 +9444,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (oldFiber === null) {
       // If we don't have any more existing children we can choose a fast path
       // since the rest will all be insertions.
-      for (; !step.done; newIdx++, step = newChildren.next()) {
+      for (; !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
         var _newFiber3 = createChild(returnFiber, step.value, lanes, debugInfo);
 
         if (_newFiber3 === null) {
@@ -9473,7 +9469,7 @@ function createChildReconciler(shouldTrackSideEffects) {
 
     var existingChildren = mapRemainingChildren(oldFiber); // Keep scanning and use the map to restore deleted items as moves.
 
-    for (; !step.done; newIdx++, step = newChildren.next()) {
+    for (; !step.done; newIdx++, step = newChildren.next(), knownKeys = warnOnInvalidKey(step.value, knownKeys, returnFiber) ) {
       var _newFiber4 = updateFromMap(existingChildren, returnFiber, newIdx, step.value, lanes, debugInfo);
 
       if (_newFiber4 !== null) {
@@ -26475,7 +26471,7 @@ identifierPrefix, onUncaughtError, onCaughtError, onRecoverableError, transition
   return root;
 }
 
-var ReactVersion = '19.0.0-canary-852c4872';
+var ReactVersion = '19.0.0-canary-f6aae78f';
 
 /*
  * The `'' + value` pattern (used in perf-sensitive code) throws for Symbol
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-prod.fb.js b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-prod.fb.js
index 5ee88e7cd9b00..ace87d5eca2c5 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-prod.fb.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-prod.fb.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<40e33e67d4c6fd0373352fbe892a02dc>>
+ * @generated SignedSource<<559fea30e60deb383163e9ed4cb86c78>>
  */
 
 "use strict";
@@ -3403,7 +3403,7 @@ function createChildReconciler(shouldTrackSideEffects) {
         nextOldFiber = null,
         step = newChildrenIterable.next();
       null !== oldFiber && !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     ) {
       oldFiber.index > newIdx
         ? ((nextOldFiber = oldFiber), (oldFiber = null))
@@ -3427,7 +3427,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (step.done)
       return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn;
     if (null === oldFiber) {
-      for (; !step.done; newIdx++, step = newChildrenIterable.next())
+      for (; !step.done; newIdx++, step = newChildrenIterable.next(), null)
         (step = createChild(returnFiber, step.value, lanes)),
           null !== step &&
             ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)),
@@ -3440,7 +3440,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     for (
       oldFiber = mapRemainingChildren(oldFiber);
       !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     )
       (step = updateFromMap(oldFiber, returnFiber, newIdx, step.value, lanes)),
         null !== step &&
@@ -10824,7 +10824,7 @@ var roots = new Map(),
   devToolsConfig$jscomp$inline_1168 = {
     findFiberByHostInstance: getInstanceFromTag,
     bundleType: 0,
-    version: "19.0.0-canary-7fc44ecb",
+    version: "19.0.0-canary-72179424",
     rendererPackageName: "react-native-renderer",
     rendererConfig: {
       getInspectorDataForInstance: getInspectorDataForInstance,
@@ -10867,7 +10867,7 @@ var internals$jscomp$inline_1452 = {
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "19.0.0-canary-7fc44ecb"
+  reconcilerVersion: "19.0.0-canary-72179424"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_1453 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
diff --git a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-profiling.fb.js b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-profiling.fb.js
index 836fb391c14c6..f925082c5473c 100644
--- a/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-profiling.fb.js
+++ b/compiled-rn/facebook-fbsource/xplat/js/react-native-github/Libraries/Renderer/implementations/ReactNativeRenderer-profiling.fb.js
@@ -7,7 +7,7 @@
  * @noflow
  * @nolint
  * @preventMunge
- * @generated SignedSource<<e4cc143cf5b6c40986732f7c31042c95>>
+ * @generated SignedSource<<677f52c0fc1c027786c2d7914509109d>>
  */
 
 "use strict";
@@ -3525,7 +3525,7 @@ function createChildReconciler(shouldTrackSideEffects) {
         nextOldFiber = null,
         step = newChildrenIterable.next();
       null !== oldFiber && !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     ) {
       oldFiber.index > newIdx
         ? ((nextOldFiber = oldFiber), (oldFiber = null))
@@ -3549,7 +3549,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     if (step.done)
       return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn;
     if (null === oldFiber) {
-      for (; !step.done; newIdx++, step = newChildrenIterable.next())
+      for (; !step.done; newIdx++, step = newChildrenIterable.next(), null)
         (step = createChild(returnFiber, step.value, lanes)),
           null !== step &&
             ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)),
@@ -3562,7 +3562,7 @@ function createChildReconciler(shouldTrackSideEffects) {
     for (
       oldFiber = mapRemainingChildren(oldFiber);
       !step.done;
-      newIdx++, step = newChildrenIterable.next()
+      newIdx++, step = newChildrenIterable.next(), null
     )
       (step = updateFromMap(oldFiber, returnFiber, newIdx, step.value, lanes)),
         null !== step &&
@@ -11530,7 +11530,7 @@ var roots = new Map(),
   devToolsConfig$jscomp$inline_1248 = {
     findFiberByHostInstance: getInstanceFromTag,
     bundleType: 0,
-    version: "19.0.0-canary-b6bdb4e2",
+    version: "19.0.0-canary-d8b54028",
     rendererPackageName: "react-native-renderer",
     rendererConfig: {
       getInspectorDataForInstance: getInspectorDataForInstance,
@@ -11586,7 +11586,7 @@ var roots = new Map(),
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "19.0.0-canary-b6bdb4e2"
+  reconcilerVersion: "19.0.0-canary-d8b54028"
 });
 exports.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED = {
   computeComponentStackForErrorReporting: function (reactTag) {