From 19c8164e367acecfe16bf55d2a2c588607cf02e5 Mon Sep 17 00:00:00 2001
From: Tim Yung <yungsters@fb.com>
Date: Fri, 12 Oct 2018 17:42:51 -0700
Subject: [PATCH] React sync for revisions d836010...4773fdf
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Summary:
@public
This sync includes the following changes:
- **[4773fdf7c](https://github.com/facebook/react/commit/4773fdf7c)**: Deprecate findDOMNode in StrictMode (#13841) //<Sebastian Markbåge>//
- **[c9be16f5b](https://github.com/facebook/react/commit/c9be16f5b)**: [scheduler] Rename priority levels (#13842) //<Andrew Clark>//
- **[3b7ee2692](https://github.com/facebook/react/commit/3b7ee2692)**: Deprecate context object as a consumer and add a warning message (#13829) //<Dominic Gannaway>//
- **[8ca8a594e](https://github.com/facebook/react/commit/8ca8a594e)**: Error gracefully for unsupported SSR features (#13839) //<Dan Abramov>//
- **[4a635785f](https://github.com/facebook/react/commit/4a635785f)**: Fix User Timing oddities with Suspense, pure, and lazy (#13833) //<Dan Abramov>//
- **[a165cf747](https://github.com/facebook/react/commit/a165cf747)**: Renamed 4 Internal React Modules //<Nadia Osipova>//
- **[a68ca9a5b](https://github.com/facebook/react/commit/a68ca9a5b)**: React.pure automatically forwards ref (#13822) //<Sophie Alpert>//
- **[c73497c3c](https://github.com/facebook/react/commit/c73497c3c)**: Update bundle sizes for 16.6.0-alpha.8af6728 release //<Dan Abramov>//
- **[1a57dc668](https://github.com/facebook/react/commit/1a57dc668)**: Updating dependencies for react-noop-renderer //<Dan Abramov>//
- **[77f8dfd81](https://github.com/facebook/react/commit/77f8dfd81)**: Updating package versions for release 16.6.0-alpha.8af6728 //<Dan Abramov>//
- **[8af6728c6](https://github.com/facebook/react/commit/8af6728c6)**: Enable Suspense + rename Placeholder (#13799) //<Dan Abramov>//
- **[f47a958ea](https://github.com/facebook/react/commit/f47a958ea)**: Don’t add onclick listener to React root (#13778) //<Philipp>//
- **[b2cea9078](https://github.com/facebook/react/commit/b2cea9078)**: [scheduler] Eagerly schedule rAF at beginning of frame (#13785) //<Andrew Clark>//
- **[e2e7cb9f4](https://github.com/facebook/react/commit/e2e7cb9f4)**: [scheduler] add a test documenting current behavior (#13687) //<plievone>//

Release Notes:
[GENERAL] [FEATURE] [React] - React sync for revisions d836010...4773fdf

Reviewed By: acdlite

Differential Revision: D10350869

fbshipit-source-id: ea8ad4b5d914c870be1fc80aa1005b224d37f5e5
---
 Libraries/Renderer/REVISION                   |   2 +-
 Libraries/Renderer/oss/ReactFabric-dev.js     | 400 +++++++++------
 Libraries/Renderer/oss/ReactFabric-prod.js    | 484 ++++++++++++++----
 .../Renderer/oss/ReactFabric-profiling.js     | 346 ++++++++++---
 .../Renderer/oss/ReactNativeRenderer-dev.js   | 400 +++++++++------
 .../Renderer/oss/ReactNativeRenderer-prod.js  | 484 ++++++++++++++----
 .../oss/ReactNativeRenderer-profiling.js      | 346 ++++++++++---
 7 files changed, 1795 insertions(+), 667 deletions(-)

diff --git a/Libraries/Renderer/REVISION b/Libraries/Renderer/REVISION
index d655480ee26935..21b691427f48aa 100644
--- a/Libraries/Renderer/REVISION
+++ b/Libraries/Renderer/REVISION
@@ -1 +1 @@
-d83601080a7c913cedcfbad86044702d008039c7
\ No newline at end of file
+4773fdf7cdf5d6d775ad0960f23ee1a830e7b82b
\ No newline at end of file
diff --git a/Libraries/Renderer/oss/ReactFabric-dev.js b/Libraries/Renderer/oss/ReactFabric-dev.js
index 1e886eebc5a936..de566d72b49386 100644
--- a/Libraries/Renderer/oss/ReactFabric-dev.js
+++ b/Libraries/Renderer/oss/ReactFabric-dev.js
@@ -1148,7 +1148,7 @@ var ContextProvider = 12;
 var ForwardRef = 13;
 var ForwardRefLazy = 14;
 var Profiler = 15;
-var PlaceholderComponent = 16;
+var SuspenseComponent = 16;
 var PureComponent = 17;
 var PureComponentLazy = 18;
 
@@ -2656,9 +2656,7 @@ var REACT_CONCURRENT_MODE_TYPE = hasSymbol
 var REACT_FORWARD_REF_TYPE = hasSymbol
   ? Symbol.for("react.forward_ref")
   : 0xead0;
-var REACT_PLACEHOLDER_TYPE = hasSymbol
-  ? Symbol.for("react.placeholder")
-  : 0xead1;
+var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for("react.suspense") : 0xead1;
 var REACT_PURE_TYPE = hasSymbol ? Symbol.for("react.pure") : 0xead3;
 
 var MAYBE_ITERATOR_SYMBOL = typeof Symbol === "function" && Symbol.iterator;
@@ -2689,6 +2687,14 @@ function refineResolvedThenable(thenable) {
   return thenable._reactStatus === Resolved ? thenable._reactResult : null;
 }
 
+function getWrappedName(outerType, innerType, wrapperName) {
+  var functionName = innerType.displayName || innerType.name || "";
+  return (
+    outerType.displayName ||
+    (functionName !== "" ? wrapperName + "(" + functionName + ")" : wrapperName)
+  );
+}
+
 function getComponentName(type) {
   if (type == null) {
     // Host root, text node or just invalid type.
@@ -2720,8 +2726,8 @@ function getComponentName(type) {
       return "Profiler";
     case REACT_STRICT_MODE_TYPE:
       return "StrictMode";
-    case REACT_PLACEHOLDER_TYPE:
-      return "Placeholder";
+    case REACT_SUSPENSE_TYPE:
+      return "Suspense";
   }
   if (typeof type === "object") {
     switch (type.$$typeof) {
@@ -2730,14 +2736,9 @@ function getComponentName(type) {
       case REACT_PROVIDER_TYPE:
         return "Context.Provider";
       case REACT_FORWARD_REF_TYPE:
-        var renderFn = type.render;
-        var functionName = renderFn.displayName || renderFn.name || "";
-        return (
-          type.displayName ||
-          (functionName !== ""
-            ? "ForwardRef(" + functionName + ")"
-            : "ForwardRef")
-        );
+        return getWrappedName(type, type.render, "ForwardRef");
+      case REACT_PURE_TYPE:
+        return getWrappedName(type, type.render, "Pure");
     }
     if (typeof type.then === "function") {
       var thenable = type;
@@ -4144,7 +4145,6 @@ function setCurrentPhase(lifeCyclePhase) {
 var debugRenderPhaseSideEffects = false;
 var debugRenderPhaseSideEffectsForStrictMode = false;
 var enableUserTimingAPI = true;
-var enableSuspense = false;
 var warnAboutDeprecatedLifecycles = false;
 var replayFailedUnitOfWorkWithInvokeGuardedCallback = true;
 var enableProfilerTimer = true;
@@ -4422,7 +4422,10 @@ function stopFailedWorkTimer(fiber) {
       return;
     }
     fiber._debugIsCurrentlyTiming = false;
-    var warning = "An error was thrown inside this error boundary";
+    var warning =
+      fiber.tag === SuspenseComponent
+        ? "Rendering was suspended"
+        : "An error was thrown inside this error boundary";
     endFiberMark(fiber, null, warning);
   }
 }
@@ -5344,8 +5347,8 @@ function createFiberFromElement(element, mode, expirationTime) {
         break;
       case REACT_PROFILER_TYPE:
         return createFiberFromProfiler(pendingProps, mode, expirationTime, key);
-      case REACT_PLACEHOLDER_TYPE:
-        fiberTag = PlaceholderComponent;
+      case REACT_SUSPENSE_TYPE:
+        fiberTag = SuspenseComponent;
         break;
       default: {
         if (typeof type === "object" && type !== null) {
@@ -10224,6 +10227,7 @@ function updatePureComponent(
   renderExpirationTime
 ) {
   var render = Component.render;
+  var ref = workInProgress.ref;
 
   if (
     current$$1 !== null &&
@@ -10234,7 +10238,10 @@ function updatePureComponent(
     // Default to shallow comparison
     var compare = Component.compare;
     compare = compare !== null ? compare : shallowEqual;
-    if (compare(prevProps, nextProps)) {
+    if (
+      workInProgress.ref === current$$1.ref &&
+      compare(prevProps, nextProps)
+    ) {
       return bailoutOnAlreadyFinishedWork(
         current$$1,
         workInProgress,
@@ -10249,7 +10256,7 @@ function updatePureComponent(
   {
     ReactCurrentOwner$3.current = workInProgress;
     setCurrentPhase("render");
-    nextChildren = render(nextProps);
+    nextChildren = render(nextProps, ref);
     setCurrentPhase(null);
   }
 
@@ -10689,11 +10696,15 @@ function mountIndeterminateComponent(
     Component !== null &&
     typeof Component.then === "function"
   ) {
+    // We can't start a User Timing measurement with correct label yet.
+    // Cancel and resume right after we know the tag.
+    cancelWorkTimer(workInProgress);
     Component = readLazyComponentType(Component);
     var resolvedTag = (workInProgress.tag = resolveLazyComponentTag(
       workInProgress,
       Component
     ));
+    startWorkTimer(workInProgress);
     var resolvedProps = resolveDefaultProps(Component, props);
     var child = void 0;
     switch (resolvedTag) {
@@ -10904,79 +10915,72 @@ function mountIndeterminateComponent(
   }
 }
 
-function updatePlaceholderComponent(
+function updateSuspenseComponent(
   current$$1,
   workInProgress,
   renderExpirationTime
 ) {
-  if (enableSuspense) {
-    var nextProps = workInProgress.pendingProps;
-
-    // Check if we already attempted to render the normal state. If we did,
-    // and we timed out, render the placeholder state.
-    var alreadyCaptured = (workInProgress.effectTag & DidCapture) === NoEffect;
-
-    var nextDidTimeout = void 0;
-    if (current$$1 !== null && workInProgress.updateQueue !== null) {
-      // We're outside strict mode. Something inside this Placeholder boundary
-      // suspended during the last commit. Switch to the placholder.
-      workInProgress.updateQueue = null;
-      nextDidTimeout = true;
-    } else {
-      nextDidTimeout = !alreadyCaptured;
-    }
+  var nextProps = workInProgress.pendingProps;
 
-    if ((workInProgress.mode & StrictMode) !== NoEffect) {
-      if (nextDidTimeout) {
-        // If the timed-out view commits, schedule an update effect to record
-        // the committed time.
-        workInProgress.effectTag |= Update;
-      } else {
-        // The state node points to the time at which placeholder timed out.
-        // We can clear it once we switch back to the normal children.
-        workInProgress.stateNode = null;
-      }
-    }
+  // Check if we already attempted to render the normal state. If we did,
+  // and we timed out, render the placeholder state.
+  var alreadyCaptured = (workInProgress.effectTag & DidCapture) === NoEffect;
 
-    // If the `children` prop is a function, treat it like a render prop.
-    // TODO: This is temporary until we finalize a lower level API.
-    var children = nextProps.children;
-    var nextChildren = void 0;
-    if (typeof children === "function") {
-      nextChildren = children(nextDidTimeout);
-    } else {
-      nextChildren = nextDidTimeout ? nextProps.fallback : children;
-    }
+  var nextDidTimeout = void 0;
+  if (current$$1 !== null && workInProgress.updateQueue !== null) {
+    // We're outside strict mode. Something inside this Placeholder boundary
+    // suspended during the last commit. Switch to the placholder.
+    workInProgress.updateQueue = null;
+    nextDidTimeout = true;
+  } else {
+    nextDidTimeout = !alreadyCaptured;
+  }
 
-    if (
-      current$$1 !== null &&
-      nextDidTimeout !== workInProgress.memoizedState
-    ) {
-      // We're about to switch from the placeholder children to the normal
-      // children, or vice versa. These are two different conceptual sets that
-      // happen to be stored in the same set. Call this special function to
-      // force the new set not to match with the current set.
-      // TODO: The proper way to model this is by storing each set separately.
-      forceUnmountCurrentAndReconcile(
-        current$$1,
-        workInProgress,
-        nextChildren,
-        renderExpirationTime
-      );
+  if ((workInProgress.mode & StrictMode) !== NoEffect) {
+    if (nextDidTimeout) {
+      // If the timed-out view commits, schedule an update effect to record
+      // the committed time.
+      workInProgress.effectTag |= Update;
     } else {
-      reconcileChildren(
-        current$$1,
-        workInProgress,
-        nextChildren,
-        renderExpirationTime
-      );
+      // The state node points to the time at which placeholder timed out.
+      // We can clear it once we switch back to the normal children.
+      workInProgress.stateNode = null;
     }
-    workInProgress.memoizedProps = nextProps;
-    workInProgress.memoizedState = nextDidTimeout;
-    return workInProgress.child;
+  }
+
+  // If the `children` prop is a function, treat it like a render prop.
+  // TODO: This is temporary until we finalize a lower level API.
+  var children = nextProps.children;
+  var nextChildren = void 0;
+  if (typeof children === "function") {
+    nextChildren = children(nextDidTimeout);
   } else {
-    return null;
+    nextChildren = nextDidTimeout ? nextProps.fallback : children;
+  }
+
+  if (current$$1 !== null && nextDidTimeout !== workInProgress.memoizedState) {
+    // We're about to switch from the placeholder children to the normal
+    // children, or vice versa. These are two different conceptual sets that
+    // happen to be stored in the same set. Call this special function to
+    // force the new set not to match with the current set.
+    // TODO: The proper way to model this is by storing each set separately.
+    forceUnmountCurrentAndReconcile(
+      current$$1,
+      workInProgress,
+      nextChildren,
+      renderExpirationTime
+    );
+  } else {
+    reconcileChildren(
+      current$$1,
+      workInProgress,
+      nextChildren,
+      renderExpirationTime
+    );
   }
+  workInProgress.memoizedProps = nextProps;
+  workInProgress.memoizedState = nextDidTimeout;
+  return workInProgress.child;
 }
 
 function updatePortalComponent(
@@ -11075,12 +11079,35 @@ function updateContextProvider(
   return workInProgress.child;
 }
 
+var hasWarnedAboutUsingContextAsConsumer = false;
+
 function updateContextConsumer(
   current$$1,
   workInProgress,
   renderExpirationTime
 ) {
   var context = workInProgress.type;
+  // The logic below for Context differs depending on PROD or DEV mode. In
+  // DEV mode, we create a separate object for Context.Consumer that acts
+  // like a proxy to Context. This proxy object adds unnecessary code in PROD
+  // so we use the old behaviour (Context.Consumer references Context) to
+  // reduce size and overhead. The separate object references context via
+  // a property called "_context", which also gives us the ability to check
+  // in DEV mode if this property exists or not and warn if it does not.
+  {
+    if (context._context === undefined) {
+      if (!hasWarnedAboutUsingContextAsConsumer) {
+        hasWarnedAboutUsingContextAsConsumer = true;
+        warning$1(
+          false,
+          "Rendering <Context> directly is not supported and will be removed in " +
+            "a future major release. Did you mean to render <Context.Consumer> instead?"
+        );
+      }
+    } else {
+      context = context._context;
+    }
+  }
   var newProps = workInProgress.pendingProps;
   var render = newProps.children;
 
@@ -11320,8 +11347,8 @@ function beginWork(current$$1, workInProgress, renderExpirationTime) {
       );
     case HostText:
       return updateHostText(current$$1, workInProgress);
-    case PlaceholderComponent:
-      return updatePlaceholderComponent(
+    case SuspenseComponent:
+      return updateSuspenseComponent(
         current$$1,
         workInProgress,
         renderExpirationTime
@@ -11820,7 +11847,7 @@ function completeWork(current, workInProgress, renderExpirationTime) {
     case ForwardRef:
     case ForwardRefLazy:
       break;
-    case PlaceholderComponent:
+    case SuspenseComponent:
       break;
     case Fragment:
       break;
@@ -12228,22 +12255,20 @@ function commitLifeCycles(
       }
       return;
     }
-    case PlaceholderComponent: {
-      if (enableSuspense) {
-        if ((finishedWork.mode & StrictMode) === NoEffect) {
-          // In loose mode, a placeholder times out by scheduling a synchronous
-          // update in the commit phase. Use `updateQueue` field to signal that
-          // the Timeout needs to switch to the placeholder. We don't need an
-          // entire queue. Any non-null value works.
-          // $FlowFixMe - Intentionally using a value other than an UpdateQueue.
-          finishedWork.updateQueue = emptyObject$1;
-          scheduleWork(finishedWork, Sync);
-        } else {
-          // In strict mode, the Update effect is used to record the time at
-          // which the placeholder timed out.
-          var currentTime = requestCurrentTime();
-          finishedWork.stateNode = { timedOutAt: currentTime };
-        }
+    case SuspenseComponent: {
+      if ((finishedWork.mode & StrictMode) === NoEffect) {
+        // In loose mode, a placeholder times out by scheduling a synchronous
+        // update in the commit phase. Use `updateQueue` field to signal that
+        // the Timeout needs to switch to the placeholder. We don't need an
+        // entire queue. Any non-null value works.
+        // $FlowFixMe - Intentionally using a value other than an UpdateQueue.
+        finishedWork.updateQueue = emptyObject$1;
+        scheduleWork(finishedWork, Sync);
+      } else {
+        // In strict mode, the Update effect is used to record the time at
+        // which the placeholder timed out.
+        var currentTime = requestCurrentTime();
+        finishedWork.stateNode = { timedOutAt: currentTime };
       }
       return;
     }
@@ -12732,7 +12757,7 @@ function commitWork(current$$1, finishedWork) {
     case Profiler: {
       return;
     }
-    case PlaceholderComponent: {
+    case SuspenseComponent: {
       return;
     }
     default: {
@@ -12832,7 +12857,6 @@ function throwException(
   sourceFiber.firstEffect = sourceFiber.lastEffect = null;
 
   if (
-    enableSuspense &&
     value !== null &&
     typeof value === "object" &&
     typeof value.then === "function"
@@ -12849,7 +12873,7 @@ function throwException(
     var earliestTimeoutMs = -1;
     var startTimeMs = -1;
     do {
-      if (_workInProgress.tag === PlaceholderComponent) {
+      if (_workInProgress.tag === SuspenseComponent) {
         var current = _workInProgress.alternate;
         if (
           current !== null &&
@@ -12867,7 +12891,7 @@ function throwException(
           // Do not search any further.
           break;
         }
-        var timeoutPropMs = _workInProgress.pendingProps.delayMs;
+        var timeoutPropMs = _workInProgress.pendingProps.maxDuration;
         if (typeof timeoutPropMs === "number") {
           if (timeoutPropMs <= 0) {
             earliestTimeoutMs = 0;
@@ -12882,10 +12906,10 @@ function throwException(
       _workInProgress = _workInProgress.return;
     } while (_workInProgress !== null);
 
-    // Schedule the nearest Placeholder to re-render the timed out view.
+    // Schedule the nearest Suspense to re-render the timed out view.
     _workInProgress = returnFiber;
     do {
-      if (_workInProgress.tag === PlaceholderComponent) {
+      if (_workInProgress.tag === SuspenseComponent) {
         var didTimeout = _workInProgress.memoizedState;
         if (!didTimeout) {
           // Found the nearest boundary.
@@ -12912,10 +12936,10 @@ function throwException(
           // If the boundary is outside of strict mode, we should *not* suspend
           // the commit. Pretend as if the suspended component rendered null and
           // keep rendering. In the commit phase, we'll schedule a subsequent
-          // synchronous update to re-render the Placeholder.
+          // synchronous update to re-render the Suspense.
           //
           // Note: It doesn't matter whether the component that suspended was
-          // inside a strict mode tree. If the Placeholder is outside of it, we
+          // inside a strict mode tree. If the Suspense is outside of it, we
           // should *not* suspend the commit.
           if ((_workInProgress.mode & StrictMode) === NoEffect) {
             _workInProgress.effectTag |= Update;
@@ -13105,7 +13129,7 @@ function unwindWork(workInProgress, renderExpirationTime) {
       popHostContext(workInProgress);
       return null;
     }
-    case PlaceholderComponent: {
+    case SuspenseComponent: {
       var _effectTag3 = workInProgress.effectTag;
       if (_effectTag3 & ShouldCapture) {
         workInProgress.effectTag = (_effectTag3 & ~ShouldCapture) | DidCapture;
@@ -14343,7 +14367,7 @@ function renderRoot(root, isYieldy, isExpired) {
     }
   }
 
-  if (enableSuspense && !isExpired && nextLatestAbsoluteTimeoutMs !== -1) {
+  if (!isExpired && nextLatestAbsoluteTimeoutMs !== -1) {
     // The tree was suspended.
     var _suspendedExpirationTime2 = expirationTime;
     markSuspendedPriorityLevel(root, _suspendedExpirationTime2);
@@ -14507,41 +14531,39 @@ function renderDidError() {
 }
 
 function retrySuspendedRoot(root, fiber, suspendedTime) {
-  if (enableSuspense) {
-    var retryTime = void 0;
+  var retryTime = void 0;
 
-    if (isPriorityLevelSuspended(root, suspendedTime)) {
-      // Ping at the original level
-      retryTime = suspendedTime;
+  if (isPriorityLevelSuspended(root, suspendedTime)) {
+    // Ping at the original level
+    retryTime = suspendedTime;
 
-      markPingedPriorityLevel(root, retryTime);
-    } else {
-      // Placeholder already timed out. Compute a new expiration time
-      var currentTime = requestCurrentTime();
-      retryTime = computeExpirationForFiber(currentTime, fiber);
-      markPendingPriorityLevel(root, retryTime);
-    }
+    markPingedPriorityLevel(root, retryTime);
+  } else {
+    // Suspense already timed out. Compute a new expiration time
+    var currentTime = requestCurrentTime();
+    retryTime = computeExpirationForFiber(currentTime, fiber);
+    markPendingPriorityLevel(root, retryTime);
+  }
 
-    // TODO: If the placeholder fiber has already rendered the primary children
-    // without suspending (that is, all of the promises have already resolved),
-    // we should not trigger another update here. One case this happens is when
-    // we are in sync mode and a single promise is thrown both on initial render
-    // and on update; we attach two .then(retrySuspendedRoot) callbacks and each
-    // one performs Sync work, rerendering the Placeholder.
+  // TODO: If the placeholder fiber has already rendered the primary children
+  // without suspending (that is, all of the promises have already resolved),
+  // we should not trigger another update here. One case this happens is when
+  // we are in sync mode and a single promise is thrown both on initial render
+  // and on update; we attach two .then(retrySuspendedRoot) callbacks and each
+  // one performs Sync work, rerendering the Suspense.
 
-    if ((fiber.mode & ConcurrentMode) !== NoContext) {
-      if (root === nextRoot && nextRenderExpirationTime === suspendedTime) {
-        // Received a ping at the same priority level at which we're currently
-        // rendering. Restart from the root.
-        nextRoot = null;
-      }
+  if ((fiber.mode & ConcurrentMode) !== NoContext) {
+    if (root === nextRoot && nextRenderExpirationTime === suspendedTime) {
+      // Received a ping at the same priority level at which we're currently
+      // rendering. Restart from the root.
+      nextRoot = null;
     }
+  }
 
-    scheduleWorkToRoot(fiber, retryTime);
-    var rootExpirationTime = root.expirationTime;
-    if (rootExpirationTime !== NoWork) {
-      requestWork(root, rootExpirationTime);
-    }
+  scheduleWorkToRoot(fiber, retryTime);
+  var rootExpirationTime = root.expirationTime;
+  if (rootExpirationTime !== NoWork) {
+    requestWork(root, rootExpirationTime);
   }
 }
 
@@ -14778,7 +14800,7 @@ function onSuspend(
   msUntilTimeout
 ) {
   root.expirationTime = rootExpirationTime;
-  if (enableSuspense && msUntilTimeout === 0 && !shouldYield()) {
+  if (msUntilTimeout === 0 && !shouldYield()) {
     // Don't wait an additional tick. Commit the tree immediately.
     root.pendingCommitExpirationTime = suspendedExpirationTime;
     root.finishedWork = finishedWork;
@@ -14796,17 +14818,15 @@ function onYield(root) {
 }
 
 function onTimeout(root, finishedWork, suspendedExpirationTime) {
-  if (enableSuspense) {
-    // The root timed out. Commit it.
-    root.pendingCommitExpirationTime = suspendedExpirationTime;
-    root.finishedWork = finishedWork;
-    // Read the current time before entering the commit phase. We can be
-    // certain this won't cause tearing related to batching of event updates
-    // because we're at the top of a timer event.
-    recomputeCurrentRendererTime();
-    currentSchedulerTime = currentRendererTime;
-    flushRoot(root, suspendedExpirationTime);
-  }
+  // The root timed out. Commit it.
+  root.pendingCommitExpirationTime = suspendedExpirationTime;
+  root.finishedWork = finishedWork;
+  // Read the current time before entering the commit phase. We can be
+  // certain this won't cause tearing related to batching of event updates
+  // because we're at the top of a timer event.
+  recomputeCurrentRendererTime();
+  currentSchedulerTime = currentRendererTime;
+  flushRoot(root, suspendedExpirationTime);
 }
 
 function onCommit(root, expirationTime) {
@@ -15144,7 +15164,7 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       // If this root previously suspended, clear its existing timeout, since
       // we're about to try rendering again.
       var timeoutHandle = root.timeoutHandle;
-      if (enableSuspense && timeoutHandle !== noTimeout) {
+      if (timeoutHandle !== noTimeout) {
         root.timeoutHandle = noTimeout;
         // $FlowFixMe Complains noTimeout is not a TimeoutID, despite the check above
         cancelTimeout(timeoutHandle);
@@ -15168,7 +15188,7 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       // If this root previously suspended, clear its existing timeout, since
       // we're about to try rendering again.
       var _timeoutHandle = root.timeoutHandle;
-      if (enableSuspense && _timeoutHandle !== noTimeout) {
+      if (_timeoutHandle !== noTimeout) {
         root.timeoutHandle = noTimeout;
         // $FlowFixMe Complains noTimeout is not a TimeoutID, despite the check above
         cancelTimeout(_timeoutHandle);
@@ -15324,9 +15344,11 @@ function flushInteractiveUpdates$1() {
 // Might add PROFILE later.
 
 var didWarnAboutNestedUpdates = void 0;
+var didWarnAboutFindNodeInStrictMode = void 0;
 
 {
   didWarnAboutNestedUpdates = false;
+  didWarnAboutFindNodeInStrictMode = {};
 }
 
 function getContextForSubtree(parentComponent) {
@@ -15442,6 +15464,64 @@ function findHostInstance$1(component) {
   return hostFiber.stateNode;
 }
 
+function findHostInstanceWithWarning$1(component, methodName) {
+  {
+    var fiber = get$1(component);
+    if (fiber === undefined) {
+      if (typeof component.render === "function") {
+        invariant(false, "Unable to find node on an unmounted component.");
+      } else {
+        invariant(
+          false,
+          "Argument appears to not be a ReactComponent. Keys: %s",
+          Object.keys(component)
+        );
+      }
+    }
+    var hostFiber = findCurrentHostFiber(fiber);
+    if (hostFiber === null) {
+      return null;
+    }
+    if (hostFiber.mode & StrictMode) {
+      var componentName = getComponentName(fiber.type) || "Component";
+      if (!didWarnAboutFindNodeInStrictMode[componentName]) {
+        didWarnAboutFindNodeInStrictMode[componentName] = true;
+        if (fiber.mode & StrictMode) {
+          warningWithoutStack$1(
+            false,
+            "%s is deprecated in StrictMode. " +
+              "%s was passed an instance of %s which is inside StrictMode. " +
+              "Instead, add a ref directly to the element you want to reference." +
+              "\n%s" +
+              "\n\nLearn more about using refs safely here:" +
+              "\nhttps://fb.me/react-strict-mode-find-node",
+            methodName,
+            methodName,
+            componentName,
+            getStackByFiberInDevAndProd(hostFiber)
+          );
+        } else {
+          warningWithoutStack$1(
+            false,
+            "%s is deprecated in StrictMode. " +
+              "%s was passed an instance of %s which renders StrictMode children. " +
+              "Instead, add a ref directly to the element you want to reference." +
+              "\n%s" +
+              "\n\nLearn more about using refs safely here:" +
+              "\nhttps://fb.me/react-strict-mode-find-node",
+            methodName,
+            methodName,
+            componentName,
+            getStackByFiberInDevAndProd(hostFiber)
+          );
+        }
+      }
+    }
+    return hostFiber.stateNode;
+  }
+  return findHostInstance$1(component);
+}
+
 function createContainer(containerInfo, isConcurrent, hydrate) {
   return createFiberRoot(containerInfo, isConcurrent, hydrate);
 }
@@ -15519,7 +15599,7 @@ function createPortal(
 
 // TODO: this is special because it gets imported during build.
 
-var ReactVersion = "16.5.2";
+var ReactVersion = "16.6.0-alpha.8af6728";
 
 // Modules provided by RN:
 var NativeMethodsMixin = function(findNodeHandle, findHostInstance) {
@@ -16029,6 +16109,7 @@ var getInspectorDataForViewTag = void 0;
 
 var ReactCurrentOwner = ReactSharedInternals.ReactCurrentOwner;
 var findHostInstance = findHostInstance$1;
+var findHostInstanceWithWarning = findHostInstanceWithWarning$1;
 
 function findNodeHandle(componentOrHandle) {
   {
@@ -16062,7 +16143,14 @@ function findNodeHandle(componentOrHandle) {
   if (componentOrHandle.canonical && componentOrHandle.canonical._nativeTag) {
     return componentOrHandle.canonical._nativeTag;
   }
-  var hostInstance = findHostInstance(componentOrHandle);
+  var hostInstance = void 0;
+  {
+    hostInstance = findHostInstanceWithWarning(
+      componentOrHandle,
+      "findNodeHandle"
+    );
+  }
+
   if (hostInstance == null) {
     return hostInstance;
   }
diff --git a/Libraries/Renderer/oss/ReactFabric-prod.js b/Libraries/Renderer/oss/ReactFabric-prod.js
index 3cee2cbcae1788..9bd0a470b98875 100644
--- a/Libraries/Renderer/oss/ReactFabric-prod.js
+++ b/Libraries/Renderer/oss/ReactFabric-prod.js
@@ -1033,7 +1033,7 @@ var ReactSharedInternals =
     ? Symbol.for("react.concurrent_mode")
     : 60111,
   REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for("react.forward_ref") : 60112,
-  REACT_PLACEHOLDER_TYPE = hasSymbol ? Symbol.for("react.placeholder") : 60113,
+  REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for("react.suspense") : 60113,
   REACT_PURE_TYPE = hasSymbol ? Symbol.for("react.pure") : 60115,
   MAYBE_ITERATOR_SYMBOL = "function" === typeof Symbol && Symbol.iterator;
 function getIteratorFn(maybeIterable) {
@@ -1043,6 +1043,13 @@ function getIteratorFn(maybeIterable) {
     maybeIterable["@@iterator"];
   return "function" === typeof maybeIterable ? maybeIterable : null;
 }
+function getWrappedName(outerType, innerType, wrapperName) {
+  innerType = innerType.displayName || innerType.name || "";
+  return (
+    outerType.displayName ||
+    ("" !== innerType ? wrapperName + "(" + innerType + ")" : wrapperName)
+  );
+}
 function getComponentName(type) {
   if (null == type) return null;
   if ("function" === typeof type) return type.displayName || type.name || null;
@@ -1058,8 +1065,8 @@ function getComponentName(type) {
       return "Profiler";
     case REACT_STRICT_MODE_TYPE:
       return "StrictMode";
-    case REACT_PLACEHOLDER_TYPE:
-      return "Placeholder";
+    case REACT_SUSPENSE_TYPE:
+      return "Suspense";
   }
   if ("object" === typeof type) {
     switch (type.$$typeof) {
@@ -1068,12 +1075,9 @@ function getComponentName(type) {
       case REACT_PROVIDER_TYPE:
         return "Context.Provider";
       case REACT_FORWARD_REF_TYPE:
-        var renderFn = type.render;
-        renderFn = renderFn.displayName || renderFn.name || "";
-        return (
-          type.displayName ||
-          ("" !== renderFn ? "ForwardRef(" + renderFn + ")" : "ForwardRef")
-        );
+        return getWrappedName(type, type.render, "ForwardRef");
+      case REACT_PURE_TYPE:
+        return getWrappedName(type, type.render, "Pure");
     }
     if (
       "function" === typeof type.then &&
@@ -1592,7 +1596,9 @@ function createTextInstance(
     )
   };
 }
-var BEFORE_SLASH_RE = /^(.*)[\\\/]/;
+var scheduleTimeout = setTimeout,
+  cancelTimeout = clearTimeout,
+  BEFORE_SLASH_RE = /^(.*)[\\\/]/;
 function getStackByFiberInDevAndProd(workInProgress) {
   var info = "";
   do {
@@ -1840,7 +1846,7 @@ function createFiberFromElement(element, mode, expirationTime) {
           (type.expirationTime = expirationTime),
           type
         );
-      case REACT_PLACEHOLDER_TYPE:
+      case REACT_SUSPENSE_TYPE:
         fiberTag = 16;
         break;
       default:
@@ -1912,6 +1918,43 @@ function markPendingPriorityLevel(root, expirationTime) {
         (root.latestPendingTime = expirationTime);
   findNextExpirationTimeToWorkOn(expirationTime, root);
 }
+function markSuspendedPriorityLevel(root, suspendedTime) {
+  root.didError = !1;
+  var latestPingedTime = root.latestPingedTime;
+  0 !== latestPingedTime &&
+    latestPingedTime <= suspendedTime &&
+    (root.latestPingedTime = 0);
+  latestPingedTime = root.earliestPendingTime;
+  var latestPendingTime = root.latestPendingTime;
+  latestPingedTime === suspendedTime
+    ? (root.earliestPendingTime =
+        latestPendingTime === suspendedTime
+          ? (root.latestPendingTime = 0)
+          : latestPendingTime)
+    : latestPendingTime === suspendedTime &&
+      (root.latestPendingTime = latestPingedTime);
+  latestPingedTime = root.earliestSuspendedTime;
+  latestPendingTime = root.latestSuspendedTime;
+  0 === latestPingedTime
+    ? (root.earliestSuspendedTime = root.latestSuspendedTime = suspendedTime)
+    : latestPingedTime > suspendedTime
+      ? (root.earliestSuspendedTime = suspendedTime)
+      : latestPendingTime < suspendedTime &&
+        (root.latestSuspendedTime = suspendedTime);
+  findNextExpirationTimeToWorkOn(suspendedTime, root);
+}
+function findEarliestOutstandingPriorityLevel(root, renderExpirationTime) {
+  var earliestPendingTime = root.earliestPendingTime;
+  root = root.earliestSuspendedTime;
+  if (
+    0 === renderExpirationTime ||
+    (0 !== earliestPendingTime && earliestPendingTime < renderExpirationTime)
+  )
+    renderExpirationTime = earliestPendingTime;
+  if (0 === renderExpirationTime || (0 !== root && root < renderExpirationTime))
+    renderExpirationTime = root;
+  return renderExpirationTime;
+}
 function findNextExpirationTimeToWorkOn(completedExpirationTime, root) {
   var earliestSuspendedTime = root.earliestSuspendedTime,
     latestSuspendedTime = root.latestSuspendedTime,
@@ -3265,7 +3308,8 @@ function updatePureComponent(
   updateExpirationTime,
   renderExpirationTime
 ) {
-  var render = Component.render;
+  var render = Component.render,
+    ref = workInProgress.ref;
   if (
     null !== current$$1 &&
     (0 === updateExpirationTime ||
@@ -3273,7 +3317,8 @@ function updatePureComponent(
     ((updateExpirationTime = current$$1.memoizedProps),
     (Component = Component.compare),
     (Component = null !== Component ? Component : shallowEqual),
-    Component(updateExpirationTime, nextProps))
+    workInProgress.ref === current$$1.ref &&
+      Component(updateExpirationTime, nextProps))
   )
     return bailoutOnAlreadyFinishedWork(
       current$$1,
@@ -3281,7 +3326,7 @@ function updatePureComponent(
       renderExpirationTime
     );
   prepareToReadContext(workInProgress, renderExpirationTime);
-  render = render(nextProps);
+  render = render(nextProps, ref);
   workInProgress.effectTag |= 1;
   reconcileChildren(current$$1, workInProgress, render, renderExpirationTime);
   workInProgress.memoizedProps = nextProps;
@@ -3938,7 +3983,46 @@ function beginWork(current$$1, workInProgress, renderExpirationTime) {
         null
       );
     case 16:
-      return null;
+      return (
+        (Component = workInProgress.pendingProps),
+        (props = 0 === (workInProgress.effectTag & 64)),
+        null !== current$$1 && null !== workInProgress.updateQueue
+          ? ((workInProgress.updateQueue = null), (props = !0))
+          : (props = !props),
+        0 !== (workInProgress.mode & 2) &&
+          (props
+            ? (workInProgress.effectTag |= 4)
+            : (workInProgress.stateNode = null)),
+        (updateExpirationTime = Component.children),
+        (updateExpirationTime =
+          "function" === typeof updateExpirationTime
+            ? updateExpirationTime(props)
+            : props
+              ? Component.fallback
+              : updateExpirationTime),
+        null !== current$$1 && props !== workInProgress.memoizedState
+          ? ((workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              current$$1.child,
+              null,
+              renderExpirationTime
+            )),
+            (workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              null,
+              updateExpirationTime,
+              renderExpirationTime
+            )))
+          : reconcileChildren(
+              current$$1,
+              workInProgress,
+              updateExpirationTime,
+              renderExpirationTime
+            ),
+        (workInProgress.memoizedProps = Component),
+        (workInProgress.memoizedState = props),
+        workInProgress.child
+      );
     case 6:
       return (
         pushHostContainer(
@@ -4317,6 +4401,7 @@ function logCapturedError(capturedError) {
         : Error("Unspecified error at:" + componentStack);
   ExceptionsManager.handleException(error, !1);
 }
+var emptyObject$1 = {};
 function logError(boundary, errorInfo) {
   var source = errorInfo.source,
     stack = errorInfo.stack;
@@ -4376,6 +4461,9 @@ function commitWork(current$$1, finishedWork) {
       );
   }
 }
+function NoopComponent() {
+  return null;
+}
 function createRootErrorUpdate(fiber, errorInfo, expirationTime) {
   expirationTime = createUpdate(expirationTime);
   expirationTime.tag = 3;
@@ -4469,6 +4557,7 @@ var Dispatcher = { readContext: readContext },
   nextUnitOfWork = null,
   nextRoot = null,
   nextRenderExpirationTime = 0,
+  nextLatestAbsoluteTimeoutMs = -1,
   nextRenderDidError = !1,
   nextEffect = null,
   isCommitting$1 = !1,
@@ -4513,6 +4602,7 @@ function resetStack() {
     }
   nextRoot = null;
   nextRenderExpirationTime = 0;
+  nextLatestAbsoluteTimeoutMs = -1;
   nextRenderDidError = !1;
   nextUnitOfWork = null;
 }
@@ -4719,28 +4809,28 @@ function performUnitOfWork(workInProgress) {
   ReactCurrentOwner$2.current = null;
   return next;
 }
-function renderRoot(root, isYieldy, isExpired) {
+function renderRoot(root$jscomp$0, isYieldy, isExpired) {
   invariant(
     !isWorking,
     "renderRoot was called recursively. This error is likely caused by a bug in React. Please file an issue."
   );
   isWorking = !0;
   ReactCurrentOwner$2.currentDispatcher = Dispatcher;
-  var expirationTime = root.nextExpirationTimeToWorkOn;
+  var expirationTime = root$jscomp$0.nextExpirationTimeToWorkOn;
   if (
     expirationTime !== nextRenderExpirationTime ||
-    root !== nextRoot ||
+    root$jscomp$0 !== nextRoot ||
     null === nextUnitOfWork
   )
     resetStack(),
-      (nextRoot = root),
+      (nextRoot = root$jscomp$0),
       (nextRenderExpirationTime = expirationTime),
       (nextUnitOfWork = createWorkInProgress(
         nextRoot.current,
         null,
         nextRenderExpirationTime
       )),
-      (root.pendingCommitExpirationTime = 0);
+      (root$jscomp$0.pendingCommitExpirationTime = 0);
   var didFatal = !1;
   do {
     try {
@@ -4763,54 +4853,145 @@ function renderRoot(root, isYieldy, isExpired) {
         if (null === returnFiber) (didFatal = !0), onUncaughtError(thrownValue);
         else {
           a: {
-            var returnFiber$jscomp$0 = returnFiber,
+            var root = root$jscomp$0,
+              returnFiber$jscomp$0 = returnFiber,
               sourceFiber$jscomp$0 = sourceFiber,
               value = thrownValue;
             returnFiber = nextRenderExpirationTime;
             sourceFiber$jscomp$0.effectTag |= 512;
             sourceFiber$jscomp$0.firstEffect = sourceFiber$jscomp$0.lastEffect = null;
+            if (
+              null !== value &&
+              "object" === typeof value &&
+              "function" === typeof value.then
+            ) {
+              var thenable = value;
+              value = returnFiber$jscomp$0;
+              var earliestTimeoutMs = -1,
+                startTimeMs = -1;
+              do {
+                if (16 === value.tag) {
+                  var current = value.alternate;
+                  if (
+                    null !== current &&
+                    !0 === current.memoizedState &&
+                    null !== current.stateNode
+                  ) {
+                    startTimeMs = 10 * (current.stateNode.timedOutAt - 2);
+                    break;
+                  }
+                  current = value.pendingProps.maxDuration;
+                  if ("number" === typeof current)
+                    if (0 >= current) earliestTimeoutMs = 0;
+                    else if (
+                      -1 === earliestTimeoutMs ||
+                      current < earliestTimeoutMs
+                    )
+                      earliestTimeoutMs = current;
+                }
+                value = value.return;
+              } while (null !== value);
+              value = returnFiber$jscomp$0;
+              do {
+                if (16 === value.tag && !value.memoizedState) {
+                  returnFiber$jscomp$0 = retrySuspendedRoot.bind(
+                    null,
+                    root,
+                    value,
+                    0 === (value.mode & 1) ? 1 : returnFiber
+                  );
+                  thenable.then(returnFiber$jscomp$0, returnFiber$jscomp$0);
+                  if (0 === (value.mode & 2)) {
+                    value.effectTag |= 4;
+                    reconcileChildren(
+                      sourceFiber$jscomp$0.alternate,
+                      sourceFiber$jscomp$0,
+                      null,
+                      returnFiber
+                    );
+                    sourceFiber$jscomp$0.effectTag &= -513;
+                    4 === sourceFiber$jscomp$0.tag &&
+                      (sourceFiber$jscomp$0.tag = 0);
+                    if (
+                      2 === sourceFiber$jscomp$0.tag ||
+                      3 === sourceFiber$jscomp$0.tag
+                    )
+                      (sourceFiber$jscomp$0.effectTag &= -421),
+                        null === sourceFiber$jscomp$0.alternate &&
+                          ((sourceFiber$jscomp$0.tag = 0),
+                          (sourceFiber$jscomp$0.type = NoopComponent));
+                    break a;
+                  }
+                  -1 === earliestTimeoutMs
+                    ? (root = 1073741823)
+                    : (-1 === startTimeMs &&
+                        (startTimeMs =
+                          10 *
+                            (findEarliestOutstandingPriorityLevel(
+                              root,
+                              returnFiber
+                            ) -
+                              2) -
+                          5e3),
+                      (root = startTimeMs + earliestTimeoutMs));
+                  0 <= root &&
+                    nextLatestAbsoluteTimeoutMs < root &&
+                    (nextLatestAbsoluteTimeoutMs = root);
+                  value.effectTag |= 1024;
+                  value.expirationTime = returnFiber;
+                  break a;
+                }
+                value = value.return;
+              } while (null !== value);
+              value = Error(
+                "An update was suspended, but no placeholder UI was provided."
+              );
+            }
             nextRenderDidError = !0;
             value = createCapturedValue(value, sourceFiber$jscomp$0);
+            root = returnFiber$jscomp$0;
             do {
-              switch (returnFiber$jscomp$0.tag) {
+              switch (root.tag) {
                 case 5:
-                  returnFiber$jscomp$0.effectTag |= 1024;
-                  returnFiber$jscomp$0.expirationTime = returnFiber;
+                  sourceFiber$jscomp$0 = value;
+                  root.effectTag |= 1024;
+                  root.expirationTime = returnFiber;
                   returnFiber = createRootErrorUpdate(
-                    returnFiber$jscomp$0,
-                    value,
+                    root,
+                    sourceFiber$jscomp$0,
                     returnFiber
                   );
-                  enqueueCapturedUpdate(returnFiber$jscomp$0, returnFiber);
+                  enqueueCapturedUpdate(root, returnFiber);
                   break a;
                 case 2:
                 case 3:
-                  sourceFiber$jscomp$0 = value;
-                  var ctor = returnFiber$jscomp$0.type,
-                    instance = returnFiber$jscomp$0.stateNode;
                   if (
-                    0 === (returnFiber$jscomp$0.effectTag & 64) &&
-                    ("function" === typeof ctor.getDerivedStateFromError ||
-                      (null !== instance &&
-                        "function" === typeof instance.componentDidCatch &&
-                        (null === legacyErrorBoundariesThatAlreadyFailed ||
-                          !legacyErrorBoundariesThatAlreadyFailed.has(
-                            instance
-                          ))))
+                    ((sourceFiber$jscomp$0 = value),
+                    (returnFiber$jscomp$0 = root.type),
+                    (thenable = root.stateNode),
+                    0 === (root.effectTag & 64) &&
+                      ("function" ===
+                        typeof returnFiber$jscomp$0.getDerivedStateFromError ||
+                        (null !== thenable &&
+                          "function" === typeof thenable.componentDidCatch &&
+                          (null === legacyErrorBoundariesThatAlreadyFailed ||
+                            !legacyErrorBoundariesThatAlreadyFailed.has(
+                              thenable
+                            )))))
                   ) {
-                    returnFiber$jscomp$0.effectTag |= 1024;
-                    returnFiber$jscomp$0.expirationTime = returnFiber;
+                    root.effectTag |= 1024;
+                    root.expirationTime = returnFiber;
                     returnFiber = createClassErrorUpdate(
-                      returnFiber$jscomp$0,
+                      root,
                       sourceFiber$jscomp$0,
                       returnFiber
                     );
-                    enqueueCapturedUpdate(returnFiber$jscomp$0, returnFiber);
+                    enqueueCapturedUpdate(root, returnFiber);
                     break a;
                   }
               }
-              returnFiber$jscomp$0 = returnFiber$jscomp$0.return;
-            } while (null !== returnFiber$jscomp$0);
+              root = root.return;
+            } while (null !== root);
           }
           nextUnitOfWork = completeUnitOfWork(sourceFiber);
           continue;
@@ -4821,58 +5002,61 @@ function renderRoot(root, isYieldy, isExpired) {
   } while (1);
   isWorking = !1;
   lastContextWithAllBitsObserved = lastContextDependency = currentlyRenderingFiber = ReactCurrentOwner$2.currentDispatcher = null;
-  if (didFatal) (nextRoot = null), (root.finishedWork = null);
-  else if (null !== nextUnitOfWork) root.finishedWork = null;
+  if (didFatal) (nextRoot = null), (root$jscomp$0.finishedWork = null);
+  else if (null !== nextUnitOfWork) root$jscomp$0.finishedWork = null;
   else {
-    isYieldy = root.current.alternate;
+    isYieldy = root$jscomp$0.current.alternate;
     invariant(
       null !== isYieldy,
       "Finished root should have a work-in-progress. This error is likely caused by a bug in React. Please file an issue."
     );
     nextRoot = null;
     if (nextRenderDidError) {
-      didFatal = root.latestPendingTime;
-      sourceFiber = root.latestSuspendedTime;
-      returnFiber = root.latestPingedTime;
+      didFatal = root$jscomp$0.latestPendingTime;
+      sourceFiber = root$jscomp$0.latestSuspendedTime;
+      returnFiber = root$jscomp$0.latestPingedTime;
       if (
         (0 !== didFatal && didFatal > expirationTime) ||
         (0 !== sourceFiber && sourceFiber > expirationTime) ||
         (0 !== returnFiber && returnFiber > expirationTime)
       ) {
-        root.didError = !1;
-        isExpired = root.latestPingedTime;
-        0 !== isExpired &&
-          isExpired <= expirationTime &&
-          (root.latestPingedTime = 0);
-        isExpired = root.earliestPendingTime;
-        isYieldy = root.latestPendingTime;
-        isExpired === expirationTime
-          ? (root.earliestPendingTime =
-              isYieldy === expirationTime
-                ? (root.latestPendingTime = 0)
-                : isYieldy)
-          : isYieldy === expirationTime && (root.latestPendingTime = isExpired);
-        isExpired = root.earliestSuspendedTime;
-        isYieldy = root.latestSuspendedTime;
-        0 === isExpired
-          ? (root.earliestSuspendedTime = root.latestSuspendedTime = expirationTime)
-          : isExpired > expirationTime
-            ? (root.earliestSuspendedTime = expirationTime)
-            : isYieldy < expirationTime &&
-              (root.latestSuspendedTime = expirationTime);
-        findNextExpirationTimeToWorkOn(expirationTime, root);
-        root.expirationTime = root.expirationTime;
+        markSuspendedPriorityLevel(root$jscomp$0, expirationTime);
+        onSuspend(
+          root$jscomp$0,
+          isYieldy,
+          expirationTime,
+          root$jscomp$0.expirationTime,
+          -1
+        );
         return;
       }
-      if (!root.didError && !isExpired) {
-        root.didError = !0;
-        root.nextExpirationTimeToWorkOn = expirationTime;
-        root.expirationTime = 1;
+      if (!root$jscomp$0.didError && !isExpired) {
+        root$jscomp$0.didError = !0;
+        expirationTime = root$jscomp$0.nextExpirationTimeToWorkOn = expirationTime;
+        isExpired = root$jscomp$0.expirationTime = 1;
+        onSuspend(root$jscomp$0, isYieldy, expirationTime, isExpired, -1);
         return;
       }
     }
-    root.pendingCommitExpirationTime = expirationTime;
-    root.finishedWork = isYieldy;
+    isExpired || -1 === nextLatestAbsoluteTimeoutMs
+      ? ((root$jscomp$0.pendingCommitExpirationTime = expirationTime),
+        (root$jscomp$0.finishedWork = isYieldy))
+      : (markSuspendedPriorityLevel(root$jscomp$0, expirationTime),
+        (isExpired =
+          10 *
+          (findEarliestOutstandingPriorityLevel(root$jscomp$0, expirationTime) -
+            2)),
+        isExpired < nextLatestAbsoluteTimeoutMs &&
+          (nextLatestAbsoluteTimeoutMs = isExpired),
+        (isExpired = 10 * (requestCurrentTime() - 2)),
+        (isExpired = nextLatestAbsoluteTimeoutMs - isExpired),
+        onSuspend(
+          root$jscomp$0,
+          isYieldy,
+          expirationTime,
+          root$jscomp$0.expirationTime,
+          0 > isExpired ? 0 : isExpired
+        ));
   }
 }
 function captureCommitPhaseError(fiber, error) {
@@ -4945,7 +5129,33 @@ function computeExpirationForFiber(currentTime, fiber) {
     (lowestPriorityPendingInteractiveExpirationTime = currentTime);
   return currentTime;
 }
-function scheduleWork(fiber, expirationTime) {
+function retrySuspendedRoot(root, fiber, suspendedTime) {
+  var retryTime = root.earliestSuspendedTime;
+  var latestSuspendedTime = root.latestSuspendedTime;
+  if (
+    0 !== retryTime &&
+    suspendedTime >= retryTime &&
+    suspendedTime <= latestSuspendedTime
+  ) {
+    latestSuspendedTime = retryTime = suspendedTime;
+    root.didError = !1;
+    var latestPingedTime = root.latestPingedTime;
+    if (0 === latestPingedTime || latestPingedTime < latestSuspendedTime)
+      root.latestPingedTime = latestSuspendedTime;
+    findNextExpirationTimeToWorkOn(latestSuspendedTime, root);
+  } else
+    (retryTime = requestCurrentTime()),
+      (retryTime = computeExpirationForFiber(retryTime, fiber)),
+      markPendingPriorityLevel(root, retryTime);
+  0 !== (fiber.mode & 1) &&
+    root === nextRoot &&
+    nextRenderExpirationTime === suspendedTime &&
+    (nextRoot = null);
+  scheduleWorkToRoot(fiber, retryTime);
+  fiber = root.expirationTime;
+  0 !== fiber && requestWork(root, fiber);
+}
+function scheduleWorkToRoot(fiber, expirationTime) {
   if (0 === fiber.expirationTime || fiber.expirationTime > expirationTime)
     fiber.expirationTime = expirationTime;
   var alternate = fiber.alternate;
@@ -4974,44 +5184,24 @@ function scheduleWork(fiber, expirationTime) {
       }
       node = node.return;
     }
-  fiber = null === root ? null : root;
-  if (null !== fiber) {
-    !isWorking &&
+  return null === root ? null : root;
+}
+function scheduleWork(fiber, expirationTime) {
+  fiber = scheduleWorkToRoot(fiber, expirationTime);
+  null !== fiber &&
+    (!isWorking &&
       0 !== nextRenderExpirationTime &&
       expirationTime < nextRenderExpirationTime &&
-      resetStack();
-    markPendingPriorityLevel(fiber, expirationTime);
-    if (!isWorking || isCommitting$1 || nextRoot !== fiber) {
-      expirationTime = fiber.expirationTime;
-      if (null === fiber.nextScheduledRoot)
-        (fiber.expirationTime = expirationTime),
-          null === lastScheduledRoot
-            ? ((firstScheduledRoot = lastScheduledRoot = fiber),
-              (fiber.nextScheduledRoot = fiber))
-            : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = fiber),
-              (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
-      else if (
-        ((alternate = fiber.expirationTime),
-        0 === alternate || expirationTime < alternate)
-      )
-        fiber.expirationTime = expirationTime;
-      isRendering ||
-        (isBatchingUpdates
-          ? isUnbatchingUpdates &&
-            ((nextFlushedRoot = fiber),
-            (nextFlushedExpirationTime = 1),
-            performWorkOnRoot(fiber, 1, !0))
-          : 1 === expirationTime
-            ? performWork(1, null)
-            : scheduleCallbackWithExpirationTime(fiber, expirationTime));
-    }
+      resetStack(),
+    markPendingPriorityLevel(fiber, expirationTime),
+    (isWorking && !isCommitting$1 && nextRoot === fiber) ||
+      requestWork(fiber, fiber.expirationTime),
     nestedUpdateCount > NESTED_UPDATE_LIMIT &&
       ((nestedUpdateCount = 0),
       invariant(
         !1,
         "Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops."
-      ));
-  }
+      )));
 }
 var firstScheduledRoot = null,
   lastScheduledRoot = null,
@@ -5050,6 +5240,37 @@ function scheduleCallbackWithExpirationTime(root, expirationTime) {
   scheduledCallback = performAsyncWork;
   callbackID = setTimeout(setTimeoutCallback, 1);
 }
+function onSuspend(
+  root,
+  finishedWork,
+  suspendedExpirationTime,
+  rootExpirationTime,
+  msUntilTimeout
+) {
+  root.expirationTime = rootExpirationTime;
+  0 !== msUntilTimeout || shouldYield()
+    ? 0 < msUntilTimeout &&
+      (root.timeoutHandle = scheduleTimeout(
+        onTimeout.bind(null, root, finishedWork, suspendedExpirationTime),
+        msUntilTimeout
+      ))
+    : ((root.pendingCommitExpirationTime = suspendedExpirationTime),
+      (root.finishedWork = finishedWork));
+}
+function onTimeout(root, finishedWork, suspendedExpirationTime) {
+  root.pendingCommitExpirationTime = suspendedExpirationTime;
+  root.finishedWork = finishedWork;
+  recomputeCurrentRendererTime();
+  currentSchedulerTime = currentRendererTime;
+  invariant(
+    !isRendering,
+    "work.commit(): Cannot commit while already rendering. This likely means you attempted to commit from inside a lifecycle method."
+  );
+  nextFlushedRoot = root;
+  nextFlushedExpirationTime = suspendedExpirationTime;
+  performWorkOnRoot(root, suspendedExpirationTime, !0);
+  performWork(1, null);
+}
 function requestCurrentTime() {
   if (isRendering) return currentSchedulerTime;
   findHighestPriorityRoot();
@@ -5061,6 +5282,32 @@ function requestCurrentTime() {
       (currentSchedulerTime = currentRendererTime);
   return currentSchedulerTime;
 }
+function requestWork(root, expirationTime) {
+  if (null === root.nextScheduledRoot)
+    (root.expirationTime = expirationTime),
+      null === lastScheduledRoot
+        ? ((firstScheduledRoot = lastScheduledRoot = root),
+          (root.nextScheduledRoot = root))
+        : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = root),
+          (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
+  else {
+    var remainingExpirationTime = root.expirationTime;
+    if (
+      0 === remainingExpirationTime ||
+      expirationTime < remainingExpirationTime
+    )
+      root.expirationTime = expirationTime;
+  }
+  isRendering ||
+    (isBatchingUpdates
+      ? isUnbatchingUpdates &&
+        ((nextFlushedRoot = root),
+        (nextFlushedExpirationTime = 1),
+        performWorkOnRoot(root, 1, !0))
+      : 1 === expirationTime
+        ? performWork(1, null)
+        : scheduleCallbackWithExpirationTime(root, expirationTime));
+}
 function findHighestPriorityRoot() {
   var highestPriorityWork = 0,
     highestPriorityRoot = null;
@@ -5197,6 +5444,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
     null !== finishedWork
       ? completeRoot$1(root, finishedWork, expirationTime)
       : ((root.finishedWork = null),
+        (finishedWork = root.timeoutHandle),
+        -1 !== finishedWork &&
+          ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
         renderRoot(root, !1, isExpired),
         (finishedWork = root.finishedWork),
         null !== finishedWork &&
@@ -5206,6 +5456,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       null !== finishedWork
         ? completeRoot$1(root, finishedWork, expirationTime)
         : ((root.finishedWork = null),
+          (finishedWork = root.timeoutHandle),
+          -1 !== finishedWork &&
+            ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
           renderRoot(root, !0, isExpired),
           (finishedWork = root.finishedWork),
           null !== finishedWork &&
@@ -5507,6 +5760,13 @@ function completeRoot$1(root, finishedWork$jscomp$0, expirationTime) {
             case 15:
               break;
             case 16:
+              if (0 === (instance$jscomp$0.mode & 2))
+                (instance$jscomp$0.updateQueue = emptyObject$1),
+                  scheduleWork(instance$jscomp$0, 1);
+              else {
+                var currentTime = requestCurrentTime();
+                instance$jscomp$0.stateNode = { timedOutAt: currentTime };
+              }
               break;
             default:
               invariant(
@@ -5922,7 +6182,7 @@ var roots = new Map(),
   findFiberByHostInstance: getInstanceFromInstance,
   getInspectorDataForViewTag: getInspectorDataForViewTag,
   bundleType: 0,
-  version: "16.5.2",
+  version: "16.6.0-alpha.8af6728",
   rendererPackageName: "react-native-renderer"
 });
 var ReactFabric$2 = { default: ReactFabric },
diff --git a/Libraries/Renderer/oss/ReactFabric-profiling.js b/Libraries/Renderer/oss/ReactFabric-profiling.js
index 1723349f630569..0ca23993737641 100644
--- a/Libraries/Renderer/oss/ReactFabric-profiling.js
+++ b/Libraries/Renderer/oss/ReactFabric-profiling.js
@@ -1034,7 +1034,7 @@ var ReactSharedInternals =
     ? Symbol.for("react.concurrent_mode")
     : 60111,
   REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for("react.forward_ref") : 60112,
-  REACT_PLACEHOLDER_TYPE = hasSymbol ? Symbol.for("react.placeholder") : 60113,
+  REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for("react.suspense") : 60113,
   REACT_PURE_TYPE = hasSymbol ? Symbol.for("react.pure") : 60115,
   MAYBE_ITERATOR_SYMBOL = "function" === typeof Symbol && Symbol.iterator;
 function getIteratorFn(maybeIterable) {
@@ -1044,6 +1044,13 @@ function getIteratorFn(maybeIterable) {
     maybeIterable["@@iterator"];
   return "function" === typeof maybeIterable ? maybeIterable : null;
 }
+function getWrappedName(outerType, innerType, wrapperName) {
+  innerType = innerType.displayName || innerType.name || "";
+  return (
+    outerType.displayName ||
+    ("" !== innerType ? wrapperName + "(" + innerType + ")" : wrapperName)
+  );
+}
 function getComponentName(type) {
   if (null == type) return null;
   if ("function" === typeof type) return type.displayName || type.name || null;
@@ -1059,8 +1066,8 @@ function getComponentName(type) {
       return "Profiler";
     case REACT_STRICT_MODE_TYPE:
       return "StrictMode";
-    case REACT_PLACEHOLDER_TYPE:
-      return "Placeholder";
+    case REACT_SUSPENSE_TYPE:
+      return "Suspense";
   }
   if ("object" === typeof type) {
     switch (type.$$typeof) {
@@ -1069,12 +1076,9 @@ function getComponentName(type) {
       case REACT_PROVIDER_TYPE:
         return "Context.Provider";
       case REACT_FORWARD_REF_TYPE:
-        var renderFn = type.render;
-        renderFn = renderFn.displayName || renderFn.name || "";
-        return (
-          type.displayName ||
-          ("" !== renderFn ? "ForwardRef(" + renderFn + ")" : "ForwardRef")
-        );
+        return getWrappedName(type, type.render, "ForwardRef");
+      case REACT_PURE_TYPE:
+        return getWrappedName(type, type.render, "Pure");
     }
     if (
       "function" === typeof type.then &&
@@ -1594,6 +1598,7 @@ function createTextInstance(
   };
 }
 var scheduleTimeout = setTimeout,
+  cancelTimeout = clearTimeout,
   BEFORE_SLASH_RE = /^(.*)[\\\/]/;
 function getStackByFiberInDevAndProd(workInProgress) {
   var info = "";
@@ -1850,7 +1855,7 @@ function createFiberFromElement(element, mode, expirationTime) {
           (type.expirationTime = expirationTime),
           type
         );
-      case REACT_PLACEHOLDER_TYPE:
+      case REACT_SUSPENSE_TYPE:
         fiberTag = 16;
         break;
       default:
@@ -1986,6 +1991,18 @@ function markSuspendedPriorityLevel(root, suspendedTime) {
         (root.latestSuspendedTime = suspendedTime);
   findNextExpirationTimeToWorkOn(suspendedTime, root);
 }
+function findEarliestOutstandingPriorityLevel(root, renderExpirationTime) {
+  var earliestPendingTime = root.earliestPendingTime;
+  root = root.earliestSuspendedTime;
+  if (
+    0 === renderExpirationTime ||
+    (0 !== earliestPendingTime && earliestPendingTime < renderExpirationTime)
+  )
+    renderExpirationTime = earliestPendingTime;
+  if (0 === renderExpirationTime || (0 !== root && root < renderExpirationTime))
+    renderExpirationTime = root;
+  return renderExpirationTime;
+}
 function findNextExpirationTimeToWorkOn(completedExpirationTime, root) {
   var earliestSuspendedTime = root.earliestSuspendedTime,
     latestSuspendedTime = root.latestSuspendedTime,
@@ -3349,7 +3366,8 @@ function updatePureComponent(
   updateExpirationTime,
   renderExpirationTime
 ) {
-  var render = Component.render;
+  var render = Component.render,
+    ref = workInProgress.ref;
   if (
     null !== current$$1 &&
     (0 === updateExpirationTime ||
@@ -3357,7 +3375,8 @@ function updatePureComponent(
     ((updateExpirationTime = current$$1.memoizedProps),
     (Component = Component.compare),
     (Component = null !== Component ? Component : shallowEqual),
-    Component(updateExpirationTime, nextProps))
+    workInProgress.ref === current$$1.ref &&
+      Component(updateExpirationTime, nextProps))
   )
     return bailoutOnAlreadyFinishedWork(
       current$$1,
@@ -3365,7 +3384,7 @@ function updatePureComponent(
       renderExpirationTime
     );
   prepareToReadContext(workInProgress, renderExpirationTime);
-  render = render(nextProps);
+  render = render(nextProps, ref);
   workInProgress.effectTag |= 1;
   reconcileChildren(current$$1, workInProgress, render, renderExpirationTime);
   workInProgress.memoizedProps = nextProps;
@@ -4030,7 +4049,46 @@ function beginWork(current$$1, workInProgress, renderExpirationTime) {
         null
       );
     case 16:
-      return null;
+      return (
+        (Component = workInProgress.pendingProps),
+        (props = 0 === (workInProgress.effectTag & 64)),
+        null !== current$$1 && null !== workInProgress.updateQueue
+          ? ((workInProgress.updateQueue = null), (props = !0))
+          : (props = !props),
+        0 !== (workInProgress.mode & 2) &&
+          (props
+            ? (workInProgress.effectTag |= 4)
+            : (workInProgress.stateNode = null)),
+        (updateExpirationTime = Component.children),
+        (updateExpirationTime =
+          "function" === typeof updateExpirationTime
+            ? updateExpirationTime(props)
+            : props
+              ? Component.fallback
+              : updateExpirationTime),
+        null !== current$$1 && props !== workInProgress.memoizedState
+          ? ((workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              current$$1.child,
+              null,
+              renderExpirationTime
+            )),
+            (workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              null,
+              updateExpirationTime,
+              renderExpirationTime
+            )))
+          : reconcileChildren(
+              current$$1,
+              workInProgress,
+              updateExpirationTime,
+              renderExpirationTime
+            ),
+        (workInProgress.memoizedProps = Component),
+        (workInProgress.memoizedState = props),
+        workInProgress.child
+      );
     case 6:
       return (
         pushHostContainer(
@@ -4410,6 +4468,7 @@ function logCapturedError(capturedError) {
         : Error("Unspecified error at:" + componentStack);
   ExceptionsManager.handleException(error, !1);
 }
+var emptyObject$1 = {};
 function logError(boundary, errorInfo) {
   var source = errorInfo.source,
     stack = errorInfo.stack;
@@ -4469,6 +4528,9 @@ function commitWork(current$$1, finishedWork) {
       );
   }
 }
+function NoopComponent() {
+  return null;
+}
 function createRootErrorUpdate(fiber, errorInfo, expirationTime) {
   expirationTime = createUpdate(expirationTime);
   expirationTime.tag = 3;
@@ -4516,39 +4578,120 @@ function throwException(
 ) {
   sourceFiber.effectTag |= 512;
   sourceFiber.firstEffect = sourceFiber.lastEffect = null;
+  if (
+    null !== value &&
+    "object" === typeof value &&
+    "function" === typeof value.then
+  ) {
+    var thenable = value;
+    value = returnFiber;
+    var earliestTimeoutMs = -1,
+      startTimeMs = -1;
+    do {
+      if (16 === value.tag) {
+        var current = value.alternate;
+        if (
+          null !== current &&
+          !0 === current.memoizedState &&
+          null !== current.stateNode
+        ) {
+          startTimeMs = 10 * (current.stateNode.timedOutAt - 2);
+          break;
+        }
+        current = value.pendingProps.maxDuration;
+        if ("number" === typeof current)
+          if (0 >= current) earliestTimeoutMs = 0;
+          else if (-1 === earliestTimeoutMs || current < earliestTimeoutMs)
+            earliestTimeoutMs = current;
+      }
+      value = value.return;
+    } while (null !== value);
+    value = returnFiber;
+    do {
+      if (16 === value.tag && !value.memoizedState) {
+        returnFiber = retrySuspendedRoot.bind(
+          null,
+          root,
+          value,
+          0 === (value.mode & 1) ? 1 : renderExpirationTime
+        );
+        returnFiber = tracing.unstable_wrap(returnFiber);
+        thenable.then(returnFiber, returnFiber);
+        if (0 === (value.mode & 2)) {
+          value.effectTag |= 4;
+          reconcileChildren(
+            sourceFiber.alternate,
+            sourceFiber,
+            null,
+            renderExpirationTime
+          );
+          sourceFiber.effectTag &= -513;
+          4 === sourceFiber.tag && (sourceFiber.tag = 0);
+          if (2 === sourceFiber.tag || 3 === sourceFiber.tag)
+            (sourceFiber.effectTag &= -421),
+              null === sourceFiber.alternate &&
+                ((sourceFiber.tag = 0), (sourceFiber.type = NoopComponent));
+          return;
+        }
+        -1 === earliestTimeoutMs
+          ? (root = 1073741823)
+          : (-1 === startTimeMs &&
+              (startTimeMs =
+                10 *
+                  (findEarliestOutstandingPriorityLevel(
+                    root,
+                    renderExpirationTime
+                  ) -
+                    2) -
+                5e3),
+            (root = startTimeMs + earliestTimeoutMs));
+        0 <= root &&
+          nextLatestAbsoluteTimeoutMs < root &&
+          (nextLatestAbsoluteTimeoutMs = root);
+        value.effectTag |= 1024;
+        value.expirationTime = renderExpirationTime;
+        return;
+      }
+      value = value.return;
+    } while (null !== value);
+    value = Error(
+      "An update was suspended, but no placeholder UI was provided."
+    );
+  }
   nextRenderDidError = !0;
   value = createCapturedValue(value, sourceFiber);
   root = returnFiber;
   do {
     switch (root.tag) {
       case 5:
+        sourceFiber = value;
         root.effectTag |= 1024;
         root.expirationTime = renderExpirationTime;
         renderExpirationTime = createRootErrorUpdate(
           root,
-          value,
+          sourceFiber,
           renderExpirationTime
         );
         enqueueCapturedUpdate(root, renderExpirationTime);
         return;
       case 2:
       case 3:
-        returnFiber = value;
-        sourceFiber = root.type;
-        var instance = root.stateNode;
         if (
+          ((sourceFiber = value),
+          (returnFiber = root.type),
+          (thenable = root.stateNode),
           0 === (root.effectTag & 64) &&
-          ("function" === typeof sourceFiber.getDerivedStateFromError ||
-            (null !== instance &&
-              "function" === typeof instance.componentDidCatch &&
-              (null === legacyErrorBoundariesThatAlreadyFailed ||
-                !legacyErrorBoundariesThatAlreadyFailed.has(instance))))
+            ("function" === typeof returnFiber.getDerivedStateFromError ||
+              (null !== thenable &&
+                "function" === typeof thenable.componentDidCatch &&
+                (null === legacyErrorBoundariesThatAlreadyFailed ||
+                  !legacyErrorBoundariesThatAlreadyFailed.has(thenable)))))
         ) {
           root.effectTag |= 1024;
           root.expirationTime = renderExpirationTime;
           renderExpirationTime = createClassErrorUpdate(
             root,
-            returnFiber,
+            sourceFiber,
             renderExpirationTime
           );
           enqueueCapturedUpdate(root, renderExpirationTime);
@@ -4618,6 +4761,7 @@ var isWorking = !1,
   nextUnitOfWork = null,
   nextRoot = null,
   nextRenderExpirationTime = 0,
+  nextLatestAbsoluteTimeoutMs = -1,
   nextRenderDidError = !1,
   nextEffect = null,
   isCommitting$1 = !1,
@@ -4662,6 +4806,7 @@ function resetStack() {
     }
   nextRoot = null;
   nextRenderExpirationTime = 0;
+  nextLatestAbsoluteTimeoutMs = -1;
   nextRenderDidError = !1;
   nextUnitOfWork = null;
 }
@@ -4863,6 +5008,13 @@ function commitAllLifeCycles(
           );
           break;
         case 16:
+          0 === (finishedWork.mode & 2)
+            ? ((finishedWork.updateQueue = emptyObject$1),
+              scheduleWork(finishedWork, 1))
+            : ((committedExpirationTime = requestCurrentTime()),
+              (finishedWork.stateNode = {
+                timedOutAt: committedExpirationTime
+              }));
           break;
         default:
           invariant(
@@ -5375,7 +5527,23 @@ function renderRoot(root, isYieldy, isExpired) {
         return;
       }
     }
-    onComplete(root, isYieldy, expirationTime);
+    isExpired || -1 === nextLatestAbsoluteTimeoutMs
+      ? onComplete(root, isYieldy, expirationTime)
+      : (markSuspendedPriorityLevel(root, expirationTime),
+        (isExpired =
+          10 *
+          (findEarliestOutstandingPriorityLevel(root, expirationTime) - 2)),
+        isExpired < nextLatestAbsoluteTimeoutMs &&
+          (nextLatestAbsoluteTimeoutMs = isExpired),
+        (isExpired = 10 * (requestCurrentTime() - 2)),
+        (isExpired = nextLatestAbsoluteTimeoutMs - isExpired),
+        onSuspend(
+          root,
+          isYieldy,
+          expirationTime,
+          root.expirationTime,
+          0 > isExpired ? 0 : isExpired
+        ));
   }
 }
 function captureCommitPhaseError(fiber, error) {
@@ -5448,6 +5616,32 @@ function computeExpirationForFiber(currentTime, fiber) {
     (lowestPriorityPendingInteractiveExpirationTime = currentTime);
   return currentTime;
 }
+function retrySuspendedRoot(root, fiber, suspendedTime) {
+  var retryTime = root.earliestSuspendedTime;
+  var latestSuspendedTime = root.latestSuspendedTime;
+  if (
+    0 !== retryTime &&
+    suspendedTime >= retryTime &&
+    suspendedTime <= latestSuspendedTime
+  ) {
+    latestSuspendedTime = retryTime = suspendedTime;
+    root.didError = !1;
+    var latestPingedTime = root.latestPingedTime;
+    if (0 === latestPingedTime || latestPingedTime < latestSuspendedTime)
+      root.latestPingedTime = latestSuspendedTime;
+    findNextExpirationTimeToWorkOn(latestSuspendedTime, root);
+  } else
+    (retryTime = requestCurrentTime()),
+      (retryTime = computeExpirationForFiber(retryTime, fiber)),
+      markPendingPriorityLevel(root, retryTime);
+  0 !== (fiber.mode & 1) &&
+    root === nextRoot &&
+    nextRenderExpirationTime === suspendedTime &&
+    (nextRoot = null);
+  scheduleWorkToRoot(fiber, retryTime);
+  fiber = root.expirationTime;
+  0 !== fiber && requestWork(root, fiber);
+}
 function scheduleWorkToRoot(fiber, expirationTime) {
   if (0 === fiber.expirationTime || fiber.expirationTime > expirationTime)
     fiber.expirationTime = expirationTime;
@@ -5502,46 +5696,20 @@ function scheduleWorkToRoot(fiber, expirationTime) {
 }
 function scheduleWork(fiber, expirationTime) {
   fiber = scheduleWorkToRoot(fiber, expirationTime);
-  if (null !== fiber) {
-    !isWorking &&
+  null !== fiber &&
+    (!isWorking &&
       0 !== nextRenderExpirationTime &&
       expirationTime < nextRenderExpirationTime &&
-      resetStack();
-    markPendingPriorityLevel(fiber, expirationTime);
-    if (!isWorking || isCommitting$1 || nextRoot !== fiber) {
-      expirationTime = fiber.expirationTime;
-      if (null === fiber.nextScheduledRoot)
-        (fiber.expirationTime = expirationTime),
-          null === lastScheduledRoot
-            ? ((firstScheduledRoot = lastScheduledRoot = fiber),
-              (fiber.nextScheduledRoot = fiber))
-            : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = fiber),
-              (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
-      else {
-        var remainingExpirationTime = fiber.expirationTime;
-        if (
-          0 === remainingExpirationTime ||
-          expirationTime < remainingExpirationTime
-        )
-          fiber.expirationTime = expirationTime;
-      }
-      isRendering ||
-        (isBatchingUpdates
-          ? isUnbatchingUpdates &&
-            ((nextFlushedRoot = fiber),
-            (nextFlushedExpirationTime = 1),
-            performWorkOnRoot(fiber, 1, !0))
-          : 1 === expirationTime
-            ? performWork(1, null)
-            : scheduleCallbackWithExpirationTime(fiber, expirationTime));
-    }
+      resetStack(),
+    markPendingPriorityLevel(fiber, expirationTime),
+    (isWorking && !isCommitting$1 && nextRoot === fiber) ||
+      requestWork(fiber, fiber.expirationTime),
     nestedUpdateCount > NESTED_UPDATE_LIMIT &&
       ((nestedUpdateCount = 0),
       invariant(
         !1,
         "Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops."
-      ));
-  }
+      )));
 }
 var firstScheduledRoot = null,
   lastScheduledRoot = null,
@@ -5592,13 +5760,29 @@ function onSuspend(
   msUntilTimeout
 ) {
   root.expirationTime = rootExpirationTime;
-  0 < msUntilTimeout &&
-    (root.timeoutHandle = scheduleTimeout(
-      onTimeout.bind(null, root, finishedWork, suspendedExpirationTime),
-      msUntilTimeout
-    ));
+  0 !== msUntilTimeout || shouldYield()
+    ? 0 < msUntilTimeout &&
+      (root.timeoutHandle = scheduleTimeout(
+        onTimeout.bind(null, root, finishedWork, suspendedExpirationTime),
+        msUntilTimeout
+      ))
+    : ((root.pendingCommitExpirationTime = suspendedExpirationTime),
+      (root.finishedWork = finishedWork));
+}
+function onTimeout(root, finishedWork, suspendedExpirationTime) {
+  root.pendingCommitExpirationTime = suspendedExpirationTime;
+  root.finishedWork = finishedWork;
+  recomputeCurrentRendererTime();
+  currentSchedulerTime = currentRendererTime;
+  invariant(
+    !isRendering,
+    "work.commit(): Cannot commit while already rendering. This likely means you attempted to commit from inside a lifecycle method."
+  );
+  nextFlushedRoot = root;
+  nextFlushedExpirationTime = suspendedExpirationTime;
+  performWorkOnRoot(root, suspendedExpirationTime, !0);
+  performWork(1, null);
 }
-function onTimeout() {}
 function onCommit(root, expirationTime) {
   root.expirationTime = expirationTime;
   root.finishedWork = null;
@@ -5614,6 +5798,32 @@ function requestCurrentTime() {
       (currentSchedulerTime = currentRendererTime);
   return currentSchedulerTime;
 }
+function requestWork(root, expirationTime) {
+  if (null === root.nextScheduledRoot)
+    (root.expirationTime = expirationTime),
+      null === lastScheduledRoot
+        ? ((firstScheduledRoot = lastScheduledRoot = root),
+          (root.nextScheduledRoot = root))
+        : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = root),
+          (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
+  else {
+    var remainingExpirationTime = root.expirationTime;
+    if (
+      0 === remainingExpirationTime ||
+      expirationTime < remainingExpirationTime
+    )
+      root.expirationTime = expirationTime;
+  }
+  isRendering ||
+    (isBatchingUpdates
+      ? isUnbatchingUpdates &&
+        ((nextFlushedRoot = root),
+        (nextFlushedExpirationTime = 1),
+        performWorkOnRoot(root, 1, !0))
+      : 1 === expirationTime
+        ? performWork(1, null)
+        : scheduleCallbackWithExpirationTime(root, expirationTime));
+}
 function findHighestPriorityRoot() {
   var highestPriorityWork = 0,
     highestPriorityRoot = null;
@@ -5750,6 +5960,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
     null !== finishedWork
       ? completeRoot$1(root, finishedWork, expirationTime)
       : ((root.finishedWork = null),
+        (finishedWork = root.timeoutHandle),
+        -1 !== finishedWork &&
+          ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
         renderRoot(root, !1, isExpired),
         (finishedWork = root.finishedWork),
         null !== finishedWork &&
@@ -5759,6 +5972,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       null !== finishedWork
         ? completeRoot$1(root, finishedWork, expirationTime)
         : ((root.finishedWork = null),
+          (finishedWork = root.timeoutHandle),
+          -1 !== finishedWork &&
+            ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
           renderRoot(root, !0, isExpired),
           (finishedWork = root.finishedWork),
           null !== finishedWork &&
@@ -6153,7 +6369,7 @@ var roots = new Map(),
   findFiberByHostInstance: getInstanceFromInstance,
   getInspectorDataForViewTag: getInspectorDataForViewTag,
   bundleType: 0,
-  version: "16.5.2",
+  version: "16.6.0-alpha.8af6728",
   rendererPackageName: "react-native-renderer"
 });
 var ReactFabric$2 = { default: ReactFabric },
diff --git a/Libraries/Renderer/oss/ReactNativeRenderer-dev.js b/Libraries/Renderer/oss/ReactNativeRenderer-dev.js
index 4108f0d42c519c..e77e96de3e20ea 100644
--- a/Libraries/Renderer/oss/ReactNativeRenderer-dev.js
+++ b/Libraries/Renderer/oss/ReactNativeRenderer-dev.js
@@ -1148,7 +1148,7 @@ var ContextProvider = 12;
 var ForwardRef = 13;
 var ForwardRefLazy = 14;
 var Profiler = 15;
-var PlaceholderComponent = 16;
+var SuspenseComponent = 16;
 var PureComponent = 17;
 var PureComponentLazy = 18;
 
@@ -2929,9 +2929,7 @@ var REACT_CONCURRENT_MODE_TYPE = hasSymbol
 var REACT_FORWARD_REF_TYPE = hasSymbol
   ? Symbol.for("react.forward_ref")
   : 0xead0;
-var REACT_PLACEHOLDER_TYPE = hasSymbol
-  ? Symbol.for("react.placeholder")
-  : 0xead1;
+var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for("react.suspense") : 0xead1;
 var REACT_PURE_TYPE = hasSymbol ? Symbol.for("react.pure") : 0xead3;
 
 var MAYBE_ITERATOR_SYMBOL = typeof Symbol === "function" && Symbol.iterator;
@@ -2962,6 +2960,14 @@ function refineResolvedThenable(thenable) {
   return thenable._reactStatus === Resolved ? thenable._reactResult : null;
 }
 
+function getWrappedName(outerType, innerType, wrapperName) {
+  var functionName = innerType.displayName || innerType.name || "";
+  return (
+    outerType.displayName ||
+    (functionName !== "" ? wrapperName + "(" + functionName + ")" : wrapperName)
+  );
+}
+
 function getComponentName(type) {
   if (type == null) {
     // Host root, text node or just invalid type.
@@ -2993,8 +2999,8 @@ function getComponentName(type) {
       return "Profiler";
     case REACT_STRICT_MODE_TYPE:
       return "StrictMode";
-    case REACT_PLACEHOLDER_TYPE:
-      return "Placeholder";
+    case REACT_SUSPENSE_TYPE:
+      return "Suspense";
   }
   if (typeof type === "object") {
     switch (type.$$typeof) {
@@ -3003,14 +3009,9 @@ function getComponentName(type) {
       case REACT_PROVIDER_TYPE:
         return "Context.Provider";
       case REACT_FORWARD_REF_TYPE:
-        var renderFn = type.render;
-        var functionName = renderFn.displayName || renderFn.name || "";
-        return (
-          type.displayName ||
-          (functionName !== ""
-            ? "ForwardRef(" + functionName + ")"
-            : "ForwardRef")
-        );
+        return getWrappedName(type, type.render, "ForwardRef");
+      case REACT_PURE_TYPE:
+        return getWrappedName(type, type.render, "Pure");
     }
     if (typeof type.then === "function") {
       var thenable = type;
@@ -4441,7 +4442,6 @@ function setCurrentPhase(lifeCyclePhase) {
 
 var debugRenderPhaseSideEffects = false;
 var debugRenderPhaseSideEffectsForStrictMode = false;
-var enableSuspense = false;
 var enableUserTimingAPI = true;
 var replayFailedUnitOfWorkWithInvokeGuardedCallback = true;
 var warnAboutDeprecatedLifecycles = false;
@@ -4720,7 +4720,10 @@ function stopFailedWorkTimer(fiber) {
       return;
     }
     fiber._debugIsCurrentlyTiming = false;
-    var warning = "An error was thrown inside this error boundary";
+    var warning =
+      fiber.tag === SuspenseComponent
+        ? "Rendering was suspended"
+        : "An error was thrown inside this error boundary";
     endFiberMark(fiber, null, warning);
   }
 }
@@ -5642,8 +5645,8 @@ function createFiberFromElement(element, mode, expirationTime) {
         break;
       case REACT_PROFILER_TYPE:
         return createFiberFromProfiler(pendingProps, mode, expirationTime, key);
-      case REACT_PLACEHOLDER_TYPE:
-        fiberTag = PlaceholderComponent;
+      case REACT_SUSPENSE_TYPE:
+        fiberTag = SuspenseComponent;
         break;
       default: {
         if (typeof type === "object" && type !== null) {
@@ -10522,6 +10525,7 @@ function updatePureComponent(
   renderExpirationTime
 ) {
   var render = Component.render;
+  var ref = workInProgress.ref;
 
   if (
     current$$1 !== null &&
@@ -10532,7 +10536,10 @@ function updatePureComponent(
     // Default to shallow comparison
     var compare = Component.compare;
     compare = compare !== null ? compare : shallowEqual;
-    if (compare(prevProps, nextProps)) {
+    if (
+      workInProgress.ref === current$$1.ref &&
+      compare(prevProps, nextProps)
+    ) {
       return bailoutOnAlreadyFinishedWork(
         current$$1,
         workInProgress,
@@ -10547,7 +10554,7 @@ function updatePureComponent(
   {
     ReactCurrentOwner$3.current = workInProgress;
     setCurrentPhase("render");
-    nextChildren = render(nextProps);
+    nextChildren = render(nextProps, ref);
     setCurrentPhase(null);
   }
 
@@ -10987,11 +10994,15 @@ function mountIndeterminateComponent(
     Component !== null &&
     typeof Component.then === "function"
   ) {
+    // We can't start a User Timing measurement with correct label yet.
+    // Cancel and resume right after we know the tag.
+    cancelWorkTimer(workInProgress);
     Component = readLazyComponentType(Component);
     var resolvedTag = (workInProgress.tag = resolveLazyComponentTag(
       workInProgress,
       Component
     ));
+    startWorkTimer(workInProgress);
     var resolvedProps = resolveDefaultProps(Component, props);
     var child = void 0;
     switch (resolvedTag) {
@@ -11202,79 +11213,72 @@ function mountIndeterminateComponent(
   }
 }
 
-function updatePlaceholderComponent(
+function updateSuspenseComponent(
   current$$1,
   workInProgress,
   renderExpirationTime
 ) {
-  if (enableSuspense) {
-    var nextProps = workInProgress.pendingProps;
-
-    // Check if we already attempted to render the normal state. If we did,
-    // and we timed out, render the placeholder state.
-    var alreadyCaptured = (workInProgress.effectTag & DidCapture) === NoEffect;
-
-    var nextDidTimeout = void 0;
-    if (current$$1 !== null && workInProgress.updateQueue !== null) {
-      // We're outside strict mode. Something inside this Placeholder boundary
-      // suspended during the last commit. Switch to the placholder.
-      workInProgress.updateQueue = null;
-      nextDidTimeout = true;
-    } else {
-      nextDidTimeout = !alreadyCaptured;
-    }
+  var nextProps = workInProgress.pendingProps;
 
-    if ((workInProgress.mode & StrictMode) !== NoEffect) {
-      if (nextDidTimeout) {
-        // If the timed-out view commits, schedule an update effect to record
-        // the committed time.
-        workInProgress.effectTag |= Update;
-      } else {
-        // The state node points to the time at which placeholder timed out.
-        // We can clear it once we switch back to the normal children.
-        workInProgress.stateNode = null;
-      }
-    }
+  // Check if we already attempted to render the normal state. If we did,
+  // and we timed out, render the placeholder state.
+  var alreadyCaptured = (workInProgress.effectTag & DidCapture) === NoEffect;
 
-    // If the `children` prop is a function, treat it like a render prop.
-    // TODO: This is temporary until we finalize a lower level API.
-    var children = nextProps.children;
-    var nextChildren = void 0;
-    if (typeof children === "function") {
-      nextChildren = children(nextDidTimeout);
-    } else {
-      nextChildren = nextDidTimeout ? nextProps.fallback : children;
-    }
+  var nextDidTimeout = void 0;
+  if (current$$1 !== null && workInProgress.updateQueue !== null) {
+    // We're outside strict mode. Something inside this Placeholder boundary
+    // suspended during the last commit. Switch to the placholder.
+    workInProgress.updateQueue = null;
+    nextDidTimeout = true;
+  } else {
+    nextDidTimeout = !alreadyCaptured;
+  }
 
-    if (
-      current$$1 !== null &&
-      nextDidTimeout !== workInProgress.memoizedState
-    ) {
-      // We're about to switch from the placeholder children to the normal
-      // children, or vice versa. These are two different conceptual sets that
-      // happen to be stored in the same set. Call this special function to
-      // force the new set not to match with the current set.
-      // TODO: The proper way to model this is by storing each set separately.
-      forceUnmountCurrentAndReconcile(
-        current$$1,
-        workInProgress,
-        nextChildren,
-        renderExpirationTime
-      );
+  if ((workInProgress.mode & StrictMode) !== NoEffect) {
+    if (nextDidTimeout) {
+      // If the timed-out view commits, schedule an update effect to record
+      // the committed time.
+      workInProgress.effectTag |= Update;
     } else {
-      reconcileChildren(
-        current$$1,
-        workInProgress,
-        nextChildren,
-        renderExpirationTime
-      );
+      // The state node points to the time at which placeholder timed out.
+      // We can clear it once we switch back to the normal children.
+      workInProgress.stateNode = null;
     }
-    workInProgress.memoizedProps = nextProps;
-    workInProgress.memoizedState = nextDidTimeout;
-    return workInProgress.child;
+  }
+
+  // If the `children` prop is a function, treat it like a render prop.
+  // TODO: This is temporary until we finalize a lower level API.
+  var children = nextProps.children;
+  var nextChildren = void 0;
+  if (typeof children === "function") {
+    nextChildren = children(nextDidTimeout);
   } else {
-    return null;
+    nextChildren = nextDidTimeout ? nextProps.fallback : children;
+  }
+
+  if (current$$1 !== null && nextDidTimeout !== workInProgress.memoizedState) {
+    // We're about to switch from the placeholder children to the normal
+    // children, or vice versa. These are two different conceptual sets that
+    // happen to be stored in the same set. Call this special function to
+    // force the new set not to match with the current set.
+    // TODO: The proper way to model this is by storing each set separately.
+    forceUnmountCurrentAndReconcile(
+      current$$1,
+      workInProgress,
+      nextChildren,
+      renderExpirationTime
+    );
+  } else {
+    reconcileChildren(
+      current$$1,
+      workInProgress,
+      nextChildren,
+      renderExpirationTime
+    );
   }
+  workInProgress.memoizedProps = nextProps;
+  workInProgress.memoizedState = nextDidTimeout;
+  return workInProgress.child;
 }
 
 function updatePortalComponent(
@@ -11373,12 +11377,35 @@ function updateContextProvider(
   return workInProgress.child;
 }
 
+var hasWarnedAboutUsingContextAsConsumer = false;
+
 function updateContextConsumer(
   current$$1,
   workInProgress,
   renderExpirationTime
 ) {
   var context = workInProgress.type;
+  // The logic below for Context differs depending on PROD or DEV mode. In
+  // DEV mode, we create a separate object for Context.Consumer that acts
+  // like a proxy to Context. This proxy object adds unnecessary code in PROD
+  // so we use the old behaviour (Context.Consumer references Context) to
+  // reduce size and overhead. The separate object references context via
+  // a property called "_context", which also gives us the ability to check
+  // in DEV mode if this property exists or not and warn if it does not.
+  {
+    if (context._context === undefined) {
+      if (!hasWarnedAboutUsingContextAsConsumer) {
+        hasWarnedAboutUsingContextAsConsumer = true;
+        warning$1(
+          false,
+          "Rendering <Context> directly is not supported and will be removed in " +
+            "a future major release. Did you mean to render <Context.Consumer> instead?"
+        );
+      }
+    } else {
+      context = context._context;
+    }
+  }
   var newProps = workInProgress.pendingProps;
   var render = newProps.children;
 
@@ -11618,8 +11645,8 @@ function beginWork(current$$1, workInProgress, renderExpirationTime) {
       );
     case HostText:
       return updateHostText(current$$1, workInProgress);
-    case PlaceholderComponent:
-      return updatePlaceholderComponent(
+    case SuspenseComponent:
+      return updateSuspenseComponent(
         current$$1,
         workInProgress,
         renderExpirationTime
@@ -12118,7 +12145,7 @@ function completeWork(current, workInProgress, renderExpirationTime) {
     case ForwardRef:
     case ForwardRefLazy:
       break;
-    case PlaceholderComponent:
+    case SuspenseComponent:
       break;
     case Fragment:
       break;
@@ -12525,22 +12552,20 @@ function commitLifeCycles(
       }
       return;
     }
-    case PlaceholderComponent: {
-      if (enableSuspense) {
-        if ((finishedWork.mode & StrictMode) === NoEffect) {
-          // In loose mode, a placeholder times out by scheduling a synchronous
-          // update in the commit phase. Use `updateQueue` field to signal that
-          // the Timeout needs to switch to the placeholder. We don't need an
-          // entire queue. Any non-null value works.
-          // $FlowFixMe - Intentionally using a value other than an UpdateQueue.
-          finishedWork.updateQueue = emptyObject$1;
-          scheduleWork(finishedWork, Sync);
-        } else {
-          // In strict mode, the Update effect is used to record the time at
-          // which the placeholder timed out.
-          var currentTime = requestCurrentTime();
-          finishedWork.stateNode = { timedOutAt: currentTime };
-        }
+    case SuspenseComponent: {
+      if ((finishedWork.mode & StrictMode) === NoEffect) {
+        // In loose mode, a placeholder times out by scheduling a synchronous
+        // update in the commit phase. Use `updateQueue` field to signal that
+        // the Timeout needs to switch to the placeholder. We don't need an
+        // entire queue. Any non-null value works.
+        // $FlowFixMe - Intentionally using a value other than an UpdateQueue.
+        finishedWork.updateQueue = emptyObject$1;
+        scheduleWork(finishedWork, Sync);
+      } else {
+        // In strict mode, the Update effect is used to record the time at
+        // which the placeholder timed out.
+        var currentTime = requestCurrentTime();
+        finishedWork.stateNode = { timedOutAt: currentTime };
       }
       return;
     }
@@ -13029,7 +13054,7 @@ function commitWork(current$$1, finishedWork) {
     case Profiler: {
       return;
     }
-    case PlaceholderComponent: {
+    case SuspenseComponent: {
       return;
     }
     default: {
@@ -13129,7 +13154,6 @@ function throwException(
   sourceFiber.firstEffect = sourceFiber.lastEffect = null;
 
   if (
-    enableSuspense &&
     value !== null &&
     typeof value === "object" &&
     typeof value.then === "function"
@@ -13146,7 +13170,7 @@ function throwException(
     var earliestTimeoutMs = -1;
     var startTimeMs = -1;
     do {
-      if (_workInProgress.tag === PlaceholderComponent) {
+      if (_workInProgress.tag === SuspenseComponent) {
         var current = _workInProgress.alternate;
         if (
           current !== null &&
@@ -13164,7 +13188,7 @@ function throwException(
           // Do not search any further.
           break;
         }
-        var timeoutPropMs = _workInProgress.pendingProps.delayMs;
+        var timeoutPropMs = _workInProgress.pendingProps.maxDuration;
         if (typeof timeoutPropMs === "number") {
           if (timeoutPropMs <= 0) {
             earliestTimeoutMs = 0;
@@ -13179,10 +13203,10 @@ function throwException(
       _workInProgress = _workInProgress.return;
     } while (_workInProgress !== null);
 
-    // Schedule the nearest Placeholder to re-render the timed out view.
+    // Schedule the nearest Suspense to re-render the timed out view.
     _workInProgress = returnFiber;
     do {
-      if (_workInProgress.tag === PlaceholderComponent) {
+      if (_workInProgress.tag === SuspenseComponent) {
         var didTimeout = _workInProgress.memoizedState;
         if (!didTimeout) {
           // Found the nearest boundary.
@@ -13209,10 +13233,10 @@ function throwException(
           // If the boundary is outside of strict mode, we should *not* suspend
           // the commit. Pretend as if the suspended component rendered null and
           // keep rendering. In the commit phase, we'll schedule a subsequent
-          // synchronous update to re-render the Placeholder.
+          // synchronous update to re-render the Suspense.
           //
           // Note: It doesn't matter whether the component that suspended was
-          // inside a strict mode tree. If the Placeholder is outside of it, we
+          // inside a strict mode tree. If the Suspense is outside of it, we
           // should *not* suspend the commit.
           if ((_workInProgress.mode & StrictMode) === NoEffect) {
             _workInProgress.effectTag |= Update;
@@ -13402,7 +13426,7 @@ function unwindWork(workInProgress, renderExpirationTime) {
       popHostContext(workInProgress);
       return null;
     }
-    case PlaceholderComponent: {
+    case SuspenseComponent: {
       var _effectTag3 = workInProgress.effectTag;
       if (_effectTag3 & ShouldCapture) {
         workInProgress.effectTag = (_effectTag3 & ~ShouldCapture) | DidCapture;
@@ -14640,7 +14664,7 @@ function renderRoot(root, isYieldy, isExpired) {
     }
   }
 
-  if (enableSuspense && !isExpired && nextLatestAbsoluteTimeoutMs !== -1) {
+  if (!isExpired && nextLatestAbsoluteTimeoutMs !== -1) {
     // The tree was suspended.
     var _suspendedExpirationTime2 = expirationTime;
     markSuspendedPriorityLevel(root, _suspendedExpirationTime2);
@@ -14804,41 +14828,39 @@ function renderDidError() {
 }
 
 function retrySuspendedRoot(root, fiber, suspendedTime) {
-  if (enableSuspense) {
-    var retryTime = void 0;
+  var retryTime = void 0;
 
-    if (isPriorityLevelSuspended(root, suspendedTime)) {
-      // Ping at the original level
-      retryTime = suspendedTime;
+  if (isPriorityLevelSuspended(root, suspendedTime)) {
+    // Ping at the original level
+    retryTime = suspendedTime;
 
-      markPingedPriorityLevel(root, retryTime);
-    } else {
-      // Placeholder already timed out. Compute a new expiration time
-      var currentTime = requestCurrentTime();
-      retryTime = computeExpirationForFiber(currentTime, fiber);
-      markPendingPriorityLevel(root, retryTime);
-    }
+    markPingedPriorityLevel(root, retryTime);
+  } else {
+    // Suspense already timed out. Compute a new expiration time
+    var currentTime = requestCurrentTime();
+    retryTime = computeExpirationForFiber(currentTime, fiber);
+    markPendingPriorityLevel(root, retryTime);
+  }
 
-    // TODO: If the placeholder fiber has already rendered the primary children
-    // without suspending (that is, all of the promises have already resolved),
-    // we should not trigger another update here. One case this happens is when
-    // we are in sync mode and a single promise is thrown both on initial render
-    // and on update; we attach two .then(retrySuspendedRoot) callbacks and each
-    // one performs Sync work, rerendering the Placeholder.
+  // TODO: If the placeholder fiber has already rendered the primary children
+  // without suspending (that is, all of the promises have already resolved),
+  // we should not trigger another update here. One case this happens is when
+  // we are in sync mode and a single promise is thrown both on initial render
+  // and on update; we attach two .then(retrySuspendedRoot) callbacks and each
+  // one performs Sync work, rerendering the Suspense.
 
-    if ((fiber.mode & ConcurrentMode) !== NoContext) {
-      if (root === nextRoot && nextRenderExpirationTime === suspendedTime) {
-        // Received a ping at the same priority level at which we're currently
-        // rendering. Restart from the root.
-        nextRoot = null;
-      }
+  if ((fiber.mode & ConcurrentMode) !== NoContext) {
+    if (root === nextRoot && nextRenderExpirationTime === suspendedTime) {
+      // Received a ping at the same priority level at which we're currently
+      // rendering. Restart from the root.
+      nextRoot = null;
     }
+  }
 
-    scheduleWorkToRoot(fiber, retryTime);
-    var rootExpirationTime = root.expirationTime;
-    if (rootExpirationTime !== NoWork) {
-      requestWork(root, rootExpirationTime);
-    }
+  scheduleWorkToRoot(fiber, retryTime);
+  var rootExpirationTime = root.expirationTime;
+  if (rootExpirationTime !== NoWork) {
+    requestWork(root, rootExpirationTime);
   }
 }
 
@@ -15075,7 +15097,7 @@ function onSuspend(
   msUntilTimeout
 ) {
   root.expirationTime = rootExpirationTime;
-  if (enableSuspense && msUntilTimeout === 0 && !shouldYield()) {
+  if (msUntilTimeout === 0 && !shouldYield()) {
     // Don't wait an additional tick. Commit the tree immediately.
     root.pendingCommitExpirationTime = suspendedExpirationTime;
     root.finishedWork = finishedWork;
@@ -15093,17 +15115,15 @@ function onYield(root) {
 }
 
 function onTimeout(root, finishedWork, suspendedExpirationTime) {
-  if (enableSuspense) {
-    // The root timed out. Commit it.
-    root.pendingCommitExpirationTime = suspendedExpirationTime;
-    root.finishedWork = finishedWork;
-    // Read the current time before entering the commit phase. We can be
-    // certain this won't cause tearing related to batching of event updates
-    // because we're at the top of a timer event.
-    recomputeCurrentRendererTime();
-    currentSchedulerTime = currentRendererTime;
-    flushRoot(root, suspendedExpirationTime);
-  }
+  // The root timed out. Commit it.
+  root.pendingCommitExpirationTime = suspendedExpirationTime;
+  root.finishedWork = finishedWork;
+  // Read the current time before entering the commit phase. We can be
+  // certain this won't cause tearing related to batching of event updates
+  // because we're at the top of a timer event.
+  recomputeCurrentRendererTime();
+  currentSchedulerTime = currentRendererTime;
+  flushRoot(root, suspendedExpirationTime);
 }
 
 function onCommit(root, expirationTime) {
@@ -15441,7 +15461,7 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       // If this root previously suspended, clear its existing timeout, since
       // we're about to try rendering again.
       var timeoutHandle = root.timeoutHandle;
-      if (enableSuspense && timeoutHandle !== noTimeout) {
+      if (timeoutHandle !== noTimeout) {
         root.timeoutHandle = noTimeout;
         // $FlowFixMe Complains noTimeout is not a TimeoutID, despite the check above
         cancelTimeout(timeoutHandle);
@@ -15465,7 +15485,7 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       // If this root previously suspended, clear its existing timeout, since
       // we're about to try rendering again.
       var _timeoutHandle = root.timeoutHandle;
-      if (enableSuspense && _timeoutHandle !== noTimeout) {
+      if (_timeoutHandle !== noTimeout) {
         root.timeoutHandle = noTimeout;
         // $FlowFixMe Complains noTimeout is not a TimeoutID, despite the check above
         cancelTimeout(_timeoutHandle);
@@ -15621,9 +15641,11 @@ function flushInteractiveUpdates$1() {
 // Might add PROFILE later.
 
 var didWarnAboutNestedUpdates = void 0;
+var didWarnAboutFindNodeInStrictMode = void 0;
 
 {
   didWarnAboutNestedUpdates = false;
+  didWarnAboutFindNodeInStrictMode = {};
 }
 
 function getContextForSubtree(parentComponent) {
@@ -15739,6 +15761,64 @@ function findHostInstance$1(component) {
   return hostFiber.stateNode;
 }
 
+function findHostInstanceWithWarning$1(component, methodName) {
+  {
+    var fiber = get$1(component);
+    if (fiber === undefined) {
+      if (typeof component.render === "function") {
+        invariant(false, "Unable to find node on an unmounted component.");
+      } else {
+        invariant(
+          false,
+          "Argument appears to not be a ReactComponent. Keys: %s",
+          Object.keys(component)
+        );
+      }
+    }
+    var hostFiber = findCurrentHostFiber(fiber);
+    if (hostFiber === null) {
+      return null;
+    }
+    if (hostFiber.mode & StrictMode) {
+      var componentName = getComponentName(fiber.type) || "Component";
+      if (!didWarnAboutFindNodeInStrictMode[componentName]) {
+        didWarnAboutFindNodeInStrictMode[componentName] = true;
+        if (fiber.mode & StrictMode) {
+          warningWithoutStack$1(
+            false,
+            "%s is deprecated in StrictMode. " +
+              "%s was passed an instance of %s which is inside StrictMode. " +
+              "Instead, add a ref directly to the element you want to reference." +
+              "\n%s" +
+              "\n\nLearn more about using refs safely here:" +
+              "\nhttps://fb.me/react-strict-mode-find-node",
+            methodName,
+            methodName,
+            componentName,
+            getStackByFiberInDevAndProd(hostFiber)
+          );
+        } else {
+          warningWithoutStack$1(
+            false,
+            "%s is deprecated in StrictMode. " +
+              "%s was passed an instance of %s which renders StrictMode children. " +
+              "Instead, add a ref directly to the element you want to reference." +
+              "\n%s" +
+              "\n\nLearn more about using refs safely here:" +
+              "\nhttps://fb.me/react-strict-mode-find-node",
+            methodName,
+            methodName,
+            componentName,
+            getStackByFiberInDevAndProd(hostFiber)
+          );
+        }
+      }
+    }
+    return hostFiber.stateNode;
+  }
+  return findHostInstance$1(component);
+}
+
 function createContainer(containerInfo, isConcurrent, hydrate) {
   return createFiberRoot(containerInfo, isConcurrent, hydrate);
 }
@@ -15816,7 +15896,7 @@ function createPortal(
 
 // TODO: this is special because it gets imported during build.
 
-var ReactVersion = "16.5.2";
+var ReactVersion = "16.6.0-alpha.8af6728";
 
 // Modules provided by RN:
 var NativeMethodsMixin = function(findNodeHandle, findHostInstance) {
@@ -16322,6 +16402,7 @@ var getInspectorDataForViewTag = void 0;
 // Module provided by RN:
 var ReactCurrentOwner = ReactSharedInternals.ReactCurrentOwner;
 var findHostInstance = findHostInstance$1;
+var findHostInstanceWithWarning = findHostInstanceWithWarning$1;
 
 function findNodeHandle(componentOrHandle) {
   {
@@ -16355,7 +16436,14 @@ function findNodeHandle(componentOrHandle) {
   if (componentOrHandle.canonical && componentOrHandle.canonical._nativeTag) {
     return componentOrHandle.canonical._nativeTag;
   }
-  var hostInstance = findHostInstance(componentOrHandle);
+  var hostInstance = void 0;
+  {
+    hostInstance = findHostInstanceWithWarning(
+      componentOrHandle,
+      "findNodeHandle"
+    );
+  }
+
   if (hostInstance == null) {
     return hostInstance;
   }
diff --git a/Libraries/Renderer/oss/ReactNativeRenderer-prod.js b/Libraries/Renderer/oss/ReactNativeRenderer-prod.js
index d0c3a268e3d018..3fcf1033033884 100644
--- a/Libraries/Renderer/oss/ReactNativeRenderer-prod.js
+++ b/Libraries/Renderer/oss/ReactNativeRenderer-prod.js
@@ -1146,7 +1146,7 @@ var ReactSharedInternals =
     ? Symbol.for("react.concurrent_mode")
     : 60111,
   REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for("react.forward_ref") : 60112,
-  REACT_PLACEHOLDER_TYPE = hasSymbol ? Symbol.for("react.placeholder") : 60113,
+  REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for("react.suspense") : 60113,
   REACT_PURE_TYPE = hasSymbol ? Symbol.for("react.pure") : 60115,
   MAYBE_ITERATOR_SYMBOL = "function" === typeof Symbol && Symbol.iterator;
 function getIteratorFn(maybeIterable) {
@@ -1156,6 +1156,13 @@ function getIteratorFn(maybeIterable) {
     maybeIterable["@@iterator"];
   return "function" === typeof maybeIterable ? maybeIterable : null;
 }
+function getWrappedName(outerType, innerType, wrapperName) {
+  innerType = innerType.displayName || innerType.name || "";
+  return (
+    outerType.displayName ||
+    ("" !== innerType ? wrapperName + "(" + innerType + ")" : wrapperName)
+  );
+}
 function getComponentName(type) {
   if (null == type) return null;
   if ("function" === typeof type) return type.displayName || type.name || null;
@@ -1171,8 +1178,8 @@ function getComponentName(type) {
       return "Profiler";
     case REACT_STRICT_MODE_TYPE:
       return "StrictMode";
-    case REACT_PLACEHOLDER_TYPE:
-      return "Placeholder";
+    case REACT_SUSPENSE_TYPE:
+      return "Suspense";
   }
   if ("object" === typeof type) {
     switch (type.$$typeof) {
@@ -1181,12 +1188,9 @@ function getComponentName(type) {
       case REACT_PROVIDER_TYPE:
         return "Context.Provider";
       case REACT_FORWARD_REF_TYPE:
-        var renderFn = type.render;
-        renderFn = renderFn.displayName || renderFn.name || "";
-        return (
-          type.displayName ||
-          ("" !== renderFn ? "ForwardRef(" + renderFn + ")" : "ForwardRef")
-        );
+        return getWrappedName(type, type.render, "ForwardRef");
+      case REACT_PURE_TYPE:
+        return getWrappedName(type, type.render, "Pure");
     }
     if (
       "function" === typeof type.then &&
@@ -1640,7 +1644,9 @@ function finalizeInitialChildren(parentInstance) {
   UIManager.setChildren(parentInstance._nativeTag, nativeTags);
   return !1;
 }
-var BEFORE_SLASH_RE = /^(.*)[\\\/]/;
+var scheduleTimeout = setTimeout,
+  cancelTimeout = clearTimeout,
+  BEFORE_SLASH_RE = /^(.*)[\\\/]/;
 function getStackByFiberInDevAndProd(workInProgress) {
   var info = "";
   do {
@@ -1888,7 +1894,7 @@ function createFiberFromElement(element, mode, expirationTime) {
           (type.expirationTime = expirationTime),
           type
         );
-      case REACT_PLACEHOLDER_TYPE:
+      case REACT_SUSPENSE_TYPE:
         fiberTag = 16;
         break;
       default:
@@ -1960,6 +1966,43 @@ function markPendingPriorityLevel(root, expirationTime) {
         (root.latestPendingTime = expirationTime);
   findNextExpirationTimeToWorkOn(expirationTime, root);
 }
+function markSuspendedPriorityLevel(root, suspendedTime) {
+  root.didError = !1;
+  var latestPingedTime = root.latestPingedTime;
+  0 !== latestPingedTime &&
+    latestPingedTime <= suspendedTime &&
+    (root.latestPingedTime = 0);
+  latestPingedTime = root.earliestPendingTime;
+  var latestPendingTime = root.latestPendingTime;
+  latestPingedTime === suspendedTime
+    ? (root.earliestPendingTime =
+        latestPendingTime === suspendedTime
+          ? (root.latestPendingTime = 0)
+          : latestPendingTime)
+    : latestPendingTime === suspendedTime &&
+      (root.latestPendingTime = latestPingedTime);
+  latestPingedTime = root.earliestSuspendedTime;
+  latestPendingTime = root.latestSuspendedTime;
+  0 === latestPingedTime
+    ? (root.earliestSuspendedTime = root.latestSuspendedTime = suspendedTime)
+    : latestPingedTime > suspendedTime
+      ? (root.earliestSuspendedTime = suspendedTime)
+      : latestPendingTime < suspendedTime &&
+        (root.latestSuspendedTime = suspendedTime);
+  findNextExpirationTimeToWorkOn(suspendedTime, root);
+}
+function findEarliestOutstandingPriorityLevel(root, renderExpirationTime) {
+  var earliestPendingTime = root.earliestPendingTime;
+  root = root.earliestSuspendedTime;
+  if (
+    0 === renderExpirationTime ||
+    (0 !== earliestPendingTime && earliestPendingTime < renderExpirationTime)
+  )
+    renderExpirationTime = earliestPendingTime;
+  if (0 === renderExpirationTime || (0 !== root && root < renderExpirationTime))
+    renderExpirationTime = root;
+  return renderExpirationTime;
+}
 function findNextExpirationTimeToWorkOn(completedExpirationTime, root) {
   var earliestSuspendedTime = root.earliestSuspendedTime,
     latestSuspendedTime = root.latestSuspendedTime,
@@ -3313,7 +3356,8 @@ function updatePureComponent(
   updateExpirationTime,
   renderExpirationTime
 ) {
-  var render = Component.render;
+  var render = Component.render,
+    ref = workInProgress.ref;
   if (
     null !== current$$1 &&
     (0 === updateExpirationTime ||
@@ -3321,7 +3365,8 @@ function updatePureComponent(
     ((updateExpirationTime = current$$1.memoizedProps),
     (Component = Component.compare),
     (Component = null !== Component ? Component : shallowEqual),
-    Component(updateExpirationTime, nextProps))
+    workInProgress.ref === current$$1.ref &&
+      Component(updateExpirationTime, nextProps))
   )
     return bailoutOnAlreadyFinishedWork(
       current$$1,
@@ -3329,7 +3374,7 @@ function updatePureComponent(
       renderExpirationTime
     );
   prepareToReadContext(workInProgress, renderExpirationTime);
-  render = render(nextProps);
+  render = render(nextProps, ref);
   workInProgress.effectTag |= 1;
   reconcileChildren(current$$1, workInProgress, render, renderExpirationTime);
   workInProgress.memoizedProps = nextProps;
@@ -3986,7 +4031,46 @@ function beginWork(current$$1, workInProgress, renderExpirationTime) {
         null
       );
     case 16:
-      return null;
+      return (
+        (Component = workInProgress.pendingProps),
+        (props = 0 === (workInProgress.effectTag & 64)),
+        null !== current$$1 && null !== workInProgress.updateQueue
+          ? ((workInProgress.updateQueue = null), (props = !0))
+          : (props = !props),
+        0 !== (workInProgress.mode & 2) &&
+          (props
+            ? (workInProgress.effectTag |= 4)
+            : (workInProgress.stateNode = null)),
+        (updateExpirationTime = Component.children),
+        (updateExpirationTime =
+          "function" === typeof updateExpirationTime
+            ? updateExpirationTime(props)
+            : props
+              ? Component.fallback
+              : updateExpirationTime),
+        null !== current$$1 && props !== workInProgress.memoizedState
+          ? ((workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              current$$1.child,
+              null,
+              renderExpirationTime
+            )),
+            (workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              null,
+              updateExpirationTime,
+              renderExpirationTime
+            )))
+          : reconcileChildren(
+              current$$1,
+              workInProgress,
+              updateExpirationTime,
+              renderExpirationTime
+            ),
+        (workInProgress.memoizedProps = Component),
+        (workInProgress.memoizedState = props),
+        workInProgress.child
+      );
     case 6:
       return (
         pushHostContainer(
@@ -4275,6 +4359,7 @@ function logCapturedError(capturedError) {
         : Error("Unspecified error at:" + componentStack);
   ExceptionsManager.handleException(error, !1);
 }
+var emptyObject$1 = {};
 function logError(boundary, errorInfo) {
   var source = errorInfo.source,
     stack = errorInfo.stack;
@@ -4624,6 +4709,9 @@ function commitWork(current$$1, finishedWork) {
       );
   }
 }
+function NoopComponent() {
+  return null;
+}
 function createRootErrorUpdate(fiber, errorInfo, expirationTime) {
   expirationTime = createUpdate(expirationTime);
   expirationTime.tag = 3;
@@ -4717,6 +4805,7 @@ var Dispatcher = { readContext: readContext },
   nextUnitOfWork = null,
   nextRoot = null,
   nextRenderExpirationTime = 0,
+  nextLatestAbsoluteTimeoutMs = -1,
   nextRenderDidError = !1,
   nextEffect = null,
   isCommitting$1 = !1,
@@ -4761,6 +4850,7 @@ function resetStack() {
     }
   nextRoot = null;
   nextRenderExpirationTime = 0;
+  nextLatestAbsoluteTimeoutMs = -1;
   nextRenderDidError = !1;
   nextUnitOfWork = null;
 }
@@ -4998,28 +5088,28 @@ function performUnitOfWork(workInProgress) {
   ReactCurrentOwner$2.current = null;
   return next;
 }
-function renderRoot(root, isYieldy, isExpired) {
+function renderRoot(root$jscomp$0, isYieldy, isExpired) {
   invariant(
     !isWorking,
     "renderRoot was called recursively. This error is likely caused by a bug in React. Please file an issue."
   );
   isWorking = !0;
   ReactCurrentOwner$2.currentDispatcher = Dispatcher;
-  var expirationTime = root.nextExpirationTimeToWorkOn;
+  var expirationTime = root$jscomp$0.nextExpirationTimeToWorkOn;
   if (
     expirationTime !== nextRenderExpirationTime ||
-    root !== nextRoot ||
+    root$jscomp$0 !== nextRoot ||
     null === nextUnitOfWork
   )
     resetStack(),
-      (nextRoot = root),
+      (nextRoot = root$jscomp$0),
       (nextRenderExpirationTime = expirationTime),
       (nextUnitOfWork = createWorkInProgress(
         nextRoot.current,
         null,
         nextRenderExpirationTime
       )),
-      (root.pendingCommitExpirationTime = 0);
+      (root$jscomp$0.pendingCommitExpirationTime = 0);
   var didFatal = !1;
   do {
     try {
@@ -5042,54 +5132,145 @@ function renderRoot(root, isYieldy, isExpired) {
         if (null === returnFiber) (didFatal = !0), onUncaughtError(thrownValue);
         else {
           a: {
-            var returnFiber$jscomp$0 = returnFiber,
+            var root = root$jscomp$0,
+              returnFiber$jscomp$0 = returnFiber,
               sourceFiber$jscomp$0 = sourceFiber,
               value = thrownValue;
             returnFiber = nextRenderExpirationTime;
             sourceFiber$jscomp$0.effectTag |= 512;
             sourceFiber$jscomp$0.firstEffect = sourceFiber$jscomp$0.lastEffect = null;
+            if (
+              null !== value &&
+              "object" === typeof value &&
+              "function" === typeof value.then
+            ) {
+              var thenable = value;
+              value = returnFiber$jscomp$0;
+              var earliestTimeoutMs = -1,
+                startTimeMs = -1;
+              do {
+                if (16 === value.tag) {
+                  var current = value.alternate;
+                  if (
+                    null !== current &&
+                    !0 === current.memoizedState &&
+                    null !== current.stateNode
+                  ) {
+                    startTimeMs = 10 * (current.stateNode.timedOutAt - 2);
+                    break;
+                  }
+                  current = value.pendingProps.maxDuration;
+                  if ("number" === typeof current)
+                    if (0 >= current) earliestTimeoutMs = 0;
+                    else if (
+                      -1 === earliestTimeoutMs ||
+                      current < earliestTimeoutMs
+                    )
+                      earliestTimeoutMs = current;
+                }
+                value = value.return;
+              } while (null !== value);
+              value = returnFiber$jscomp$0;
+              do {
+                if (16 === value.tag && !value.memoizedState) {
+                  returnFiber$jscomp$0 = retrySuspendedRoot.bind(
+                    null,
+                    root,
+                    value,
+                    0 === (value.mode & 1) ? 1 : returnFiber
+                  );
+                  thenable.then(returnFiber$jscomp$0, returnFiber$jscomp$0);
+                  if (0 === (value.mode & 2)) {
+                    value.effectTag |= 4;
+                    reconcileChildren(
+                      sourceFiber$jscomp$0.alternate,
+                      sourceFiber$jscomp$0,
+                      null,
+                      returnFiber
+                    );
+                    sourceFiber$jscomp$0.effectTag &= -513;
+                    4 === sourceFiber$jscomp$0.tag &&
+                      (sourceFiber$jscomp$0.tag = 0);
+                    if (
+                      2 === sourceFiber$jscomp$0.tag ||
+                      3 === sourceFiber$jscomp$0.tag
+                    )
+                      (sourceFiber$jscomp$0.effectTag &= -421),
+                        null === sourceFiber$jscomp$0.alternate &&
+                          ((sourceFiber$jscomp$0.tag = 0),
+                          (sourceFiber$jscomp$0.type = NoopComponent));
+                    break a;
+                  }
+                  -1 === earliestTimeoutMs
+                    ? (root = 1073741823)
+                    : (-1 === startTimeMs &&
+                        (startTimeMs =
+                          10 *
+                            (findEarliestOutstandingPriorityLevel(
+                              root,
+                              returnFiber
+                            ) -
+                              2) -
+                          5e3),
+                      (root = startTimeMs + earliestTimeoutMs));
+                  0 <= root &&
+                    nextLatestAbsoluteTimeoutMs < root &&
+                    (nextLatestAbsoluteTimeoutMs = root);
+                  value.effectTag |= 1024;
+                  value.expirationTime = returnFiber;
+                  break a;
+                }
+                value = value.return;
+              } while (null !== value);
+              value = Error(
+                "An update was suspended, but no placeholder UI was provided."
+              );
+            }
             nextRenderDidError = !0;
             value = createCapturedValue(value, sourceFiber$jscomp$0);
+            root = returnFiber$jscomp$0;
             do {
-              switch (returnFiber$jscomp$0.tag) {
+              switch (root.tag) {
                 case 5:
-                  returnFiber$jscomp$0.effectTag |= 1024;
-                  returnFiber$jscomp$0.expirationTime = returnFiber;
+                  sourceFiber$jscomp$0 = value;
+                  root.effectTag |= 1024;
+                  root.expirationTime = returnFiber;
                   returnFiber = createRootErrorUpdate(
-                    returnFiber$jscomp$0,
-                    value,
+                    root,
+                    sourceFiber$jscomp$0,
                     returnFiber
                   );
-                  enqueueCapturedUpdate(returnFiber$jscomp$0, returnFiber);
+                  enqueueCapturedUpdate(root, returnFiber);
                   break a;
                 case 2:
                 case 3:
-                  sourceFiber$jscomp$0 = value;
-                  var ctor = returnFiber$jscomp$0.type,
-                    instance = returnFiber$jscomp$0.stateNode;
                   if (
-                    0 === (returnFiber$jscomp$0.effectTag & 64) &&
-                    ("function" === typeof ctor.getDerivedStateFromError ||
-                      (null !== instance &&
-                        "function" === typeof instance.componentDidCatch &&
-                        (null === legacyErrorBoundariesThatAlreadyFailed ||
-                          !legacyErrorBoundariesThatAlreadyFailed.has(
-                            instance
-                          ))))
+                    ((sourceFiber$jscomp$0 = value),
+                    (returnFiber$jscomp$0 = root.type),
+                    (thenable = root.stateNode),
+                    0 === (root.effectTag & 64) &&
+                      ("function" ===
+                        typeof returnFiber$jscomp$0.getDerivedStateFromError ||
+                        (null !== thenable &&
+                          "function" === typeof thenable.componentDidCatch &&
+                          (null === legacyErrorBoundariesThatAlreadyFailed ||
+                            !legacyErrorBoundariesThatAlreadyFailed.has(
+                              thenable
+                            )))))
                   ) {
-                    returnFiber$jscomp$0.effectTag |= 1024;
-                    returnFiber$jscomp$0.expirationTime = returnFiber;
+                    root.effectTag |= 1024;
+                    root.expirationTime = returnFiber;
                     returnFiber = createClassErrorUpdate(
-                      returnFiber$jscomp$0,
+                      root,
                       sourceFiber$jscomp$0,
                       returnFiber
                     );
-                    enqueueCapturedUpdate(returnFiber$jscomp$0, returnFiber);
+                    enqueueCapturedUpdate(root, returnFiber);
                     break a;
                   }
               }
-              returnFiber$jscomp$0 = returnFiber$jscomp$0.return;
-            } while (null !== returnFiber$jscomp$0);
+              root = root.return;
+            } while (null !== root);
           }
           nextUnitOfWork = completeUnitOfWork(sourceFiber);
           continue;
@@ -5100,58 +5281,61 @@ function renderRoot(root, isYieldy, isExpired) {
   } while (1);
   isWorking = !1;
   lastContextWithAllBitsObserved = lastContextDependency = currentlyRenderingFiber = ReactCurrentOwner$2.currentDispatcher = null;
-  if (didFatal) (nextRoot = null), (root.finishedWork = null);
-  else if (null !== nextUnitOfWork) root.finishedWork = null;
+  if (didFatal) (nextRoot = null), (root$jscomp$0.finishedWork = null);
+  else if (null !== nextUnitOfWork) root$jscomp$0.finishedWork = null;
   else {
-    isYieldy = root.current.alternate;
+    isYieldy = root$jscomp$0.current.alternate;
     invariant(
       null !== isYieldy,
       "Finished root should have a work-in-progress. This error is likely caused by a bug in React. Please file an issue."
     );
     nextRoot = null;
     if (nextRenderDidError) {
-      didFatal = root.latestPendingTime;
-      sourceFiber = root.latestSuspendedTime;
-      returnFiber = root.latestPingedTime;
+      didFatal = root$jscomp$0.latestPendingTime;
+      sourceFiber = root$jscomp$0.latestSuspendedTime;
+      returnFiber = root$jscomp$0.latestPingedTime;
       if (
         (0 !== didFatal && didFatal > expirationTime) ||
         (0 !== sourceFiber && sourceFiber > expirationTime) ||
         (0 !== returnFiber && returnFiber > expirationTime)
       ) {
-        root.didError = !1;
-        isExpired = root.latestPingedTime;
-        0 !== isExpired &&
-          isExpired <= expirationTime &&
-          (root.latestPingedTime = 0);
-        isExpired = root.earliestPendingTime;
-        isYieldy = root.latestPendingTime;
-        isExpired === expirationTime
-          ? (root.earliestPendingTime =
-              isYieldy === expirationTime
-                ? (root.latestPendingTime = 0)
-                : isYieldy)
-          : isYieldy === expirationTime && (root.latestPendingTime = isExpired);
-        isExpired = root.earliestSuspendedTime;
-        isYieldy = root.latestSuspendedTime;
-        0 === isExpired
-          ? (root.earliestSuspendedTime = root.latestSuspendedTime = expirationTime)
-          : isExpired > expirationTime
-            ? (root.earliestSuspendedTime = expirationTime)
-            : isYieldy < expirationTime &&
-              (root.latestSuspendedTime = expirationTime);
-        findNextExpirationTimeToWorkOn(expirationTime, root);
-        root.expirationTime = root.expirationTime;
+        markSuspendedPriorityLevel(root$jscomp$0, expirationTime);
+        onSuspend(
+          root$jscomp$0,
+          isYieldy,
+          expirationTime,
+          root$jscomp$0.expirationTime,
+          -1
+        );
         return;
       }
-      if (!root.didError && !isExpired) {
-        root.didError = !0;
-        root.nextExpirationTimeToWorkOn = expirationTime;
-        root.expirationTime = 1;
+      if (!root$jscomp$0.didError && !isExpired) {
+        root$jscomp$0.didError = !0;
+        expirationTime = root$jscomp$0.nextExpirationTimeToWorkOn = expirationTime;
+        isExpired = root$jscomp$0.expirationTime = 1;
+        onSuspend(root$jscomp$0, isYieldy, expirationTime, isExpired, -1);
         return;
       }
     }
-    root.pendingCommitExpirationTime = expirationTime;
-    root.finishedWork = isYieldy;
+    isExpired || -1 === nextLatestAbsoluteTimeoutMs
+      ? ((root$jscomp$0.pendingCommitExpirationTime = expirationTime),
+        (root$jscomp$0.finishedWork = isYieldy))
+      : (markSuspendedPriorityLevel(root$jscomp$0, expirationTime),
+        (isExpired =
+          10 *
+          (findEarliestOutstandingPriorityLevel(root$jscomp$0, expirationTime) -
+            2)),
+        isExpired < nextLatestAbsoluteTimeoutMs &&
+          (nextLatestAbsoluteTimeoutMs = isExpired),
+        (isExpired = 10 * (requestCurrentTime() - 2)),
+        (isExpired = nextLatestAbsoluteTimeoutMs - isExpired),
+        onSuspend(
+          root$jscomp$0,
+          isYieldy,
+          expirationTime,
+          root$jscomp$0.expirationTime,
+          0 > isExpired ? 0 : isExpired
+        ));
   }
 }
 function captureCommitPhaseError(fiber, error) {
@@ -5224,7 +5408,33 @@ function computeExpirationForFiber(currentTime, fiber) {
     (lowestPriorityPendingInteractiveExpirationTime = currentTime);
   return currentTime;
 }
-function scheduleWork(fiber, expirationTime) {
+function retrySuspendedRoot(root, fiber, suspendedTime) {
+  var retryTime = root.earliestSuspendedTime;
+  var latestSuspendedTime = root.latestSuspendedTime;
+  if (
+    0 !== retryTime &&
+    suspendedTime >= retryTime &&
+    suspendedTime <= latestSuspendedTime
+  ) {
+    latestSuspendedTime = retryTime = suspendedTime;
+    root.didError = !1;
+    var latestPingedTime = root.latestPingedTime;
+    if (0 === latestPingedTime || latestPingedTime < latestSuspendedTime)
+      root.latestPingedTime = latestSuspendedTime;
+    findNextExpirationTimeToWorkOn(latestSuspendedTime, root);
+  } else
+    (retryTime = requestCurrentTime()),
+      (retryTime = computeExpirationForFiber(retryTime, fiber)),
+      markPendingPriorityLevel(root, retryTime);
+  0 !== (fiber.mode & 1) &&
+    root === nextRoot &&
+    nextRenderExpirationTime === suspendedTime &&
+    (nextRoot = null);
+  scheduleWorkToRoot(fiber, retryTime);
+  fiber = root.expirationTime;
+  0 !== fiber && requestWork(root, fiber);
+}
+function scheduleWorkToRoot(fiber, expirationTime) {
   if (0 === fiber.expirationTime || fiber.expirationTime > expirationTime)
     fiber.expirationTime = expirationTime;
   var alternate = fiber.alternate;
@@ -5253,44 +5463,24 @@ function scheduleWork(fiber, expirationTime) {
       }
       node = node.return;
     }
-  fiber = null === root ? null : root;
-  if (null !== fiber) {
-    !isWorking &&
+  return null === root ? null : root;
+}
+function scheduleWork(fiber, expirationTime) {
+  fiber = scheduleWorkToRoot(fiber, expirationTime);
+  null !== fiber &&
+    (!isWorking &&
       0 !== nextRenderExpirationTime &&
       expirationTime < nextRenderExpirationTime &&
-      resetStack();
-    markPendingPriorityLevel(fiber, expirationTime);
-    if (!isWorking || isCommitting$1 || nextRoot !== fiber) {
-      expirationTime = fiber.expirationTime;
-      if (null === fiber.nextScheduledRoot)
-        (fiber.expirationTime = expirationTime),
-          null === lastScheduledRoot
-            ? ((firstScheduledRoot = lastScheduledRoot = fiber),
-              (fiber.nextScheduledRoot = fiber))
-            : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = fiber),
-              (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
-      else if (
-        ((alternate = fiber.expirationTime),
-        0 === alternate || expirationTime < alternate)
-      )
-        fiber.expirationTime = expirationTime;
-      isRendering ||
-        (isBatchingUpdates
-          ? isUnbatchingUpdates &&
-            ((nextFlushedRoot = fiber),
-            (nextFlushedExpirationTime = 1),
-            performWorkOnRoot(fiber, 1, !0))
-          : 1 === expirationTime
-            ? performWork(1, null)
-            : scheduleCallbackWithExpirationTime(fiber, expirationTime));
-    }
+      resetStack(),
+    markPendingPriorityLevel(fiber, expirationTime),
+    (isWorking && !isCommitting$1 && nextRoot === fiber) ||
+      requestWork(fiber, fiber.expirationTime),
     nestedUpdateCount > NESTED_UPDATE_LIMIT &&
       ((nestedUpdateCount = 0),
       invariant(
         !1,
         "Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops."
-      ));
-  }
+      )));
 }
 var firstScheduledRoot = null,
   lastScheduledRoot = null,
@@ -5329,6 +5519,37 @@ function scheduleCallbackWithExpirationTime(root, expirationTime) {
   scheduledCallback = performAsyncWork;
   callbackID = setTimeout(setTimeoutCallback, 1);
 }
+function onSuspend(
+  root,
+  finishedWork,
+  suspendedExpirationTime,
+  rootExpirationTime,
+  msUntilTimeout
+) {
+  root.expirationTime = rootExpirationTime;
+  0 !== msUntilTimeout || shouldYield()
+    ? 0 < msUntilTimeout &&
+      (root.timeoutHandle = scheduleTimeout(
+        onTimeout.bind(null, root, finishedWork, suspendedExpirationTime),
+        msUntilTimeout
+      ))
+    : ((root.pendingCommitExpirationTime = suspendedExpirationTime),
+      (root.finishedWork = finishedWork));
+}
+function onTimeout(root, finishedWork, suspendedExpirationTime) {
+  root.pendingCommitExpirationTime = suspendedExpirationTime;
+  root.finishedWork = finishedWork;
+  recomputeCurrentRendererTime();
+  currentSchedulerTime = currentRendererTime;
+  invariant(
+    !isRendering,
+    "work.commit(): Cannot commit while already rendering. This likely means you attempted to commit from inside a lifecycle method."
+  );
+  nextFlushedRoot = root;
+  nextFlushedExpirationTime = suspendedExpirationTime;
+  performWorkOnRoot(root, suspendedExpirationTime, !0);
+  performWork(1, null);
+}
 function requestCurrentTime() {
   if (isRendering) return currentSchedulerTime;
   findHighestPriorityRoot();
@@ -5340,6 +5561,32 @@ function requestCurrentTime() {
       (currentSchedulerTime = currentRendererTime);
   return currentSchedulerTime;
 }
+function requestWork(root, expirationTime) {
+  if (null === root.nextScheduledRoot)
+    (root.expirationTime = expirationTime),
+      null === lastScheduledRoot
+        ? ((firstScheduledRoot = lastScheduledRoot = root),
+          (root.nextScheduledRoot = root))
+        : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = root),
+          (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
+  else {
+    var remainingExpirationTime = root.expirationTime;
+    if (
+      0 === remainingExpirationTime ||
+      expirationTime < remainingExpirationTime
+    )
+      root.expirationTime = expirationTime;
+  }
+  isRendering ||
+    (isBatchingUpdates
+      ? isUnbatchingUpdates &&
+        ((nextFlushedRoot = root),
+        (nextFlushedExpirationTime = 1),
+        performWorkOnRoot(root, 1, !0))
+      : 1 === expirationTime
+        ? performWork(1, null)
+        : scheduleCallbackWithExpirationTime(root, expirationTime));
+}
 function findHighestPriorityRoot() {
   var highestPriorityWork = 0,
     highestPriorityRoot = null;
@@ -5476,6 +5723,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
     null !== finishedWork
       ? completeRoot(root, finishedWork, expirationTime)
       : ((root.finishedWork = null),
+        (finishedWork = root.timeoutHandle),
+        -1 !== finishedWork &&
+          ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
         renderRoot(root, !1, isExpired),
         (finishedWork = root.finishedWork),
         null !== finishedWork &&
@@ -5485,6 +5735,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       null !== finishedWork
         ? completeRoot(root, finishedWork, expirationTime)
         : ((root.finishedWork = null),
+          (finishedWork = root.timeoutHandle),
+          -1 !== finishedWork &&
+            ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
           renderRoot(root, !0, isExpired),
           (finishedWork = root.finishedWork),
           null !== finishedWork &&
@@ -5736,6 +5989,13 @@ function completeRoot(root, finishedWork$jscomp$0, expirationTime) {
             case 15:
               break;
             case 16:
+              if (0 === (current$$1.mode & 2))
+                (current$$1.updateQueue = emptyObject$1),
+                  scheduleWork(current$$1, 1);
+              else {
+                var currentTime = requestCurrentTime();
+                current$$1.stateNode = { timedOutAt: currentTime };
+              }
               break;
             default:
               invariant(
@@ -6161,7 +6421,7 @@ var roots = new Map(),
   findFiberByHostInstance: getInstanceFromTag,
   getInspectorDataForViewTag: getInspectorDataForViewTag,
   bundleType: 0,
-  version: "16.5.2",
+  version: "16.6.0-alpha.8af6728",
   rendererPackageName: "react-native-renderer"
 });
 var ReactNativeRenderer$2 = { default: ReactNativeRenderer },
diff --git a/Libraries/Renderer/oss/ReactNativeRenderer-profiling.js b/Libraries/Renderer/oss/ReactNativeRenderer-profiling.js
index a8566250cae58a..3a9645d82e6bb4 100644
--- a/Libraries/Renderer/oss/ReactNativeRenderer-profiling.js
+++ b/Libraries/Renderer/oss/ReactNativeRenderer-profiling.js
@@ -1147,7 +1147,7 @@ var ReactSharedInternals =
     ? Symbol.for("react.concurrent_mode")
     : 60111,
   REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for("react.forward_ref") : 60112,
-  REACT_PLACEHOLDER_TYPE = hasSymbol ? Symbol.for("react.placeholder") : 60113,
+  REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for("react.suspense") : 60113,
   REACT_PURE_TYPE = hasSymbol ? Symbol.for("react.pure") : 60115,
   MAYBE_ITERATOR_SYMBOL = "function" === typeof Symbol && Symbol.iterator;
 function getIteratorFn(maybeIterable) {
@@ -1157,6 +1157,13 @@ function getIteratorFn(maybeIterable) {
     maybeIterable["@@iterator"];
   return "function" === typeof maybeIterable ? maybeIterable : null;
 }
+function getWrappedName(outerType, innerType, wrapperName) {
+  innerType = innerType.displayName || innerType.name || "";
+  return (
+    outerType.displayName ||
+    ("" !== innerType ? wrapperName + "(" + innerType + ")" : wrapperName)
+  );
+}
 function getComponentName(type) {
   if (null == type) return null;
   if ("function" === typeof type) return type.displayName || type.name || null;
@@ -1172,8 +1179,8 @@ function getComponentName(type) {
       return "Profiler";
     case REACT_STRICT_MODE_TYPE:
       return "StrictMode";
-    case REACT_PLACEHOLDER_TYPE:
-      return "Placeholder";
+    case REACT_SUSPENSE_TYPE:
+      return "Suspense";
   }
   if ("object" === typeof type) {
     switch (type.$$typeof) {
@@ -1182,12 +1189,9 @@ function getComponentName(type) {
       case REACT_PROVIDER_TYPE:
         return "Context.Provider";
       case REACT_FORWARD_REF_TYPE:
-        var renderFn = type.render;
-        renderFn = renderFn.displayName || renderFn.name || "";
-        return (
-          type.displayName ||
-          ("" !== renderFn ? "ForwardRef(" + renderFn + ")" : "ForwardRef")
-        );
+        return getWrappedName(type, type.render, "ForwardRef");
+      case REACT_PURE_TYPE:
+        return getWrappedName(type, type.render, "Pure");
     }
     if (
       "function" === typeof type.then &&
@@ -1642,6 +1646,7 @@ function finalizeInitialChildren(parentInstance) {
   return !1;
 }
 var scheduleTimeout = setTimeout,
+  cancelTimeout = clearTimeout,
   BEFORE_SLASH_RE = /^(.*)[\\\/]/;
 function getStackByFiberInDevAndProd(workInProgress) {
   var info = "";
@@ -1898,7 +1903,7 @@ function createFiberFromElement(element, mode, expirationTime) {
           (type.expirationTime = expirationTime),
           type
         );
-      case REACT_PLACEHOLDER_TYPE:
+      case REACT_SUSPENSE_TYPE:
         fiberTag = 16;
         break;
       default:
@@ -2034,6 +2039,18 @@ function markSuspendedPriorityLevel(root, suspendedTime) {
         (root.latestSuspendedTime = suspendedTime);
   findNextExpirationTimeToWorkOn(suspendedTime, root);
 }
+function findEarliestOutstandingPriorityLevel(root, renderExpirationTime) {
+  var earliestPendingTime = root.earliestPendingTime;
+  root = root.earliestSuspendedTime;
+  if (
+    0 === renderExpirationTime ||
+    (0 !== earliestPendingTime && earliestPendingTime < renderExpirationTime)
+  )
+    renderExpirationTime = earliestPendingTime;
+  if (0 === renderExpirationTime || (0 !== root && root < renderExpirationTime))
+    renderExpirationTime = root;
+  return renderExpirationTime;
+}
 function findNextExpirationTimeToWorkOn(completedExpirationTime, root) {
   var earliestSuspendedTime = root.earliestSuspendedTime,
     latestSuspendedTime = root.latestSuspendedTime,
@@ -3397,7 +3414,8 @@ function updatePureComponent(
   updateExpirationTime,
   renderExpirationTime
 ) {
-  var render = Component.render;
+  var render = Component.render,
+    ref = workInProgress.ref;
   if (
     null !== current$$1 &&
     (0 === updateExpirationTime ||
@@ -3405,7 +3423,8 @@ function updatePureComponent(
     ((updateExpirationTime = current$$1.memoizedProps),
     (Component = Component.compare),
     (Component = null !== Component ? Component : shallowEqual),
-    Component(updateExpirationTime, nextProps))
+    workInProgress.ref === current$$1.ref &&
+      Component(updateExpirationTime, nextProps))
   )
     return bailoutOnAlreadyFinishedWork(
       current$$1,
@@ -3413,7 +3432,7 @@ function updatePureComponent(
       renderExpirationTime
     );
   prepareToReadContext(workInProgress, renderExpirationTime);
-  render = render(nextProps);
+  render = render(nextProps, ref);
   workInProgress.effectTag |= 1;
   reconcileChildren(current$$1, workInProgress, render, renderExpirationTime);
   workInProgress.memoizedProps = nextProps;
@@ -4078,7 +4097,46 @@ function beginWork(current$$1, workInProgress, renderExpirationTime) {
         null
       );
     case 16:
-      return null;
+      return (
+        (Component = workInProgress.pendingProps),
+        (props = 0 === (workInProgress.effectTag & 64)),
+        null !== current$$1 && null !== workInProgress.updateQueue
+          ? ((workInProgress.updateQueue = null), (props = !0))
+          : (props = !props),
+        0 !== (workInProgress.mode & 2) &&
+          (props
+            ? (workInProgress.effectTag |= 4)
+            : (workInProgress.stateNode = null)),
+        (updateExpirationTime = Component.children),
+        (updateExpirationTime =
+          "function" === typeof updateExpirationTime
+            ? updateExpirationTime(props)
+            : props
+              ? Component.fallback
+              : updateExpirationTime),
+        null !== current$$1 && props !== workInProgress.memoizedState
+          ? ((workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              current$$1.child,
+              null,
+              renderExpirationTime
+            )),
+            (workInProgress.child = reconcileChildFibers(
+              workInProgress,
+              null,
+              updateExpirationTime,
+              renderExpirationTime
+            )))
+          : reconcileChildren(
+              current$$1,
+              workInProgress,
+              updateExpirationTime,
+              renderExpirationTime
+            ),
+        (workInProgress.memoizedProps = Component),
+        (workInProgress.memoizedState = props),
+        workInProgress.child
+      );
     case 6:
       return (
         pushHostContainer(
@@ -4368,6 +4426,7 @@ function logCapturedError(capturedError) {
         : Error("Unspecified error at:" + componentStack);
   ExceptionsManager.handleException(error, !1);
 }
+var emptyObject$1 = {};
 function logError(boundary, errorInfo) {
   var source = errorInfo.source,
     stack = errorInfo.stack;
@@ -4717,6 +4776,9 @@ function commitWork(current$$1, finishedWork) {
       );
   }
 }
+function NoopComponent() {
+  return null;
+}
 function createRootErrorUpdate(fiber, errorInfo, expirationTime) {
   expirationTime = createUpdate(expirationTime);
   expirationTime.tag = 3;
@@ -4764,39 +4826,120 @@ function throwException(
 ) {
   sourceFiber.effectTag |= 512;
   sourceFiber.firstEffect = sourceFiber.lastEffect = null;
+  if (
+    null !== value &&
+    "object" === typeof value &&
+    "function" === typeof value.then
+  ) {
+    var thenable = value;
+    value = returnFiber;
+    var earliestTimeoutMs = -1,
+      startTimeMs = -1;
+    do {
+      if (16 === value.tag) {
+        var current = value.alternate;
+        if (
+          null !== current &&
+          !0 === current.memoizedState &&
+          null !== current.stateNode
+        ) {
+          startTimeMs = 10 * (current.stateNode.timedOutAt - 2);
+          break;
+        }
+        current = value.pendingProps.maxDuration;
+        if ("number" === typeof current)
+          if (0 >= current) earliestTimeoutMs = 0;
+          else if (-1 === earliestTimeoutMs || current < earliestTimeoutMs)
+            earliestTimeoutMs = current;
+      }
+      value = value.return;
+    } while (null !== value);
+    value = returnFiber;
+    do {
+      if (16 === value.tag && !value.memoizedState) {
+        returnFiber = retrySuspendedRoot.bind(
+          null,
+          root,
+          value,
+          0 === (value.mode & 1) ? 1 : renderExpirationTime
+        );
+        returnFiber = tracing.unstable_wrap(returnFiber);
+        thenable.then(returnFiber, returnFiber);
+        if (0 === (value.mode & 2)) {
+          value.effectTag |= 4;
+          reconcileChildren(
+            sourceFiber.alternate,
+            sourceFiber,
+            null,
+            renderExpirationTime
+          );
+          sourceFiber.effectTag &= -513;
+          4 === sourceFiber.tag && (sourceFiber.tag = 0);
+          if (2 === sourceFiber.tag || 3 === sourceFiber.tag)
+            (sourceFiber.effectTag &= -421),
+              null === sourceFiber.alternate &&
+                ((sourceFiber.tag = 0), (sourceFiber.type = NoopComponent));
+          return;
+        }
+        -1 === earliestTimeoutMs
+          ? (root = 1073741823)
+          : (-1 === startTimeMs &&
+              (startTimeMs =
+                10 *
+                  (findEarliestOutstandingPriorityLevel(
+                    root,
+                    renderExpirationTime
+                  ) -
+                    2) -
+                5e3),
+            (root = startTimeMs + earliestTimeoutMs));
+        0 <= root &&
+          nextLatestAbsoluteTimeoutMs < root &&
+          (nextLatestAbsoluteTimeoutMs = root);
+        value.effectTag |= 1024;
+        value.expirationTime = renderExpirationTime;
+        return;
+      }
+      value = value.return;
+    } while (null !== value);
+    value = Error(
+      "An update was suspended, but no placeholder UI was provided."
+    );
+  }
   nextRenderDidError = !0;
   value = createCapturedValue(value, sourceFiber);
   root = returnFiber;
   do {
     switch (root.tag) {
       case 5:
+        sourceFiber = value;
         root.effectTag |= 1024;
         root.expirationTime = renderExpirationTime;
         renderExpirationTime = createRootErrorUpdate(
           root,
-          value,
+          sourceFiber,
           renderExpirationTime
         );
         enqueueCapturedUpdate(root, renderExpirationTime);
         return;
       case 2:
       case 3:
-        returnFiber = value;
-        sourceFiber = root.type;
-        var instance = root.stateNode;
         if (
+          ((sourceFiber = value),
+          (returnFiber = root.type),
+          (thenable = root.stateNode),
           0 === (root.effectTag & 64) &&
-          ("function" === typeof sourceFiber.getDerivedStateFromError ||
-            (null !== instance &&
-              "function" === typeof instance.componentDidCatch &&
-              (null === legacyErrorBoundariesThatAlreadyFailed ||
-                !legacyErrorBoundariesThatAlreadyFailed.has(instance))))
+            ("function" === typeof returnFiber.getDerivedStateFromError ||
+              (null !== thenable &&
+                "function" === typeof thenable.componentDidCatch &&
+                (null === legacyErrorBoundariesThatAlreadyFailed ||
+                  !legacyErrorBoundariesThatAlreadyFailed.has(thenable)))))
         ) {
           root.effectTag |= 1024;
           root.expirationTime = renderExpirationTime;
           renderExpirationTime = createClassErrorUpdate(
             root,
-            returnFiber,
+            sourceFiber,
             renderExpirationTime
           );
           enqueueCapturedUpdate(root, renderExpirationTime);
@@ -4866,6 +5009,7 @@ var isWorking = !1,
   nextUnitOfWork = null,
   nextRoot = null,
   nextRenderExpirationTime = 0,
+  nextLatestAbsoluteTimeoutMs = -1,
   nextRenderDidError = !1,
   nextEffect = null,
   isCommitting$1 = !1,
@@ -4910,6 +5054,7 @@ function resetStack() {
     }
   nextRoot = null;
   nextRenderExpirationTime = 0;
+  nextLatestAbsoluteTimeoutMs = -1;
   nextRenderDidError = !1;
   nextUnitOfWork = null;
 }
@@ -5070,6 +5215,13 @@ function commitAllLifeCycles(
           );
           break;
         case 16:
+          0 === (finishedWork.mode & 2)
+            ? ((finishedWork.updateQueue = emptyObject$1),
+              scheduleWork(finishedWork, 1))
+            : ((committedExpirationTime = requestCurrentTime()),
+              (finishedWork.stateNode = {
+                timedOutAt: committedExpirationTime
+              }));
           break;
         default:
           invariant(
@@ -5609,7 +5761,23 @@ function renderRoot(root, isYieldy, isExpired) {
         return;
       }
     }
-    onComplete(root, isYieldy, expirationTime);
+    isExpired || -1 === nextLatestAbsoluteTimeoutMs
+      ? onComplete(root, isYieldy, expirationTime)
+      : (markSuspendedPriorityLevel(root, expirationTime),
+        (isExpired =
+          10 *
+          (findEarliestOutstandingPriorityLevel(root, expirationTime) - 2)),
+        isExpired < nextLatestAbsoluteTimeoutMs &&
+          (nextLatestAbsoluteTimeoutMs = isExpired),
+        (isExpired = 10 * (requestCurrentTime() - 2)),
+        (isExpired = nextLatestAbsoluteTimeoutMs - isExpired),
+        onSuspend(
+          root,
+          isYieldy,
+          expirationTime,
+          root.expirationTime,
+          0 > isExpired ? 0 : isExpired
+        ));
   }
 }
 function captureCommitPhaseError(fiber, error) {
@@ -5682,6 +5850,32 @@ function computeExpirationForFiber(currentTime, fiber) {
     (lowestPriorityPendingInteractiveExpirationTime = currentTime);
   return currentTime;
 }
+function retrySuspendedRoot(root, fiber, suspendedTime) {
+  var retryTime = root.earliestSuspendedTime;
+  var latestSuspendedTime = root.latestSuspendedTime;
+  if (
+    0 !== retryTime &&
+    suspendedTime >= retryTime &&
+    suspendedTime <= latestSuspendedTime
+  ) {
+    latestSuspendedTime = retryTime = suspendedTime;
+    root.didError = !1;
+    var latestPingedTime = root.latestPingedTime;
+    if (0 === latestPingedTime || latestPingedTime < latestSuspendedTime)
+      root.latestPingedTime = latestSuspendedTime;
+    findNextExpirationTimeToWorkOn(latestSuspendedTime, root);
+  } else
+    (retryTime = requestCurrentTime()),
+      (retryTime = computeExpirationForFiber(retryTime, fiber)),
+      markPendingPriorityLevel(root, retryTime);
+  0 !== (fiber.mode & 1) &&
+    root === nextRoot &&
+    nextRenderExpirationTime === suspendedTime &&
+    (nextRoot = null);
+  scheduleWorkToRoot(fiber, retryTime);
+  fiber = root.expirationTime;
+  0 !== fiber && requestWork(root, fiber);
+}
 function scheduleWorkToRoot(fiber, expirationTime) {
   if (0 === fiber.expirationTime || fiber.expirationTime > expirationTime)
     fiber.expirationTime = expirationTime;
@@ -5736,46 +5930,20 @@ function scheduleWorkToRoot(fiber, expirationTime) {
 }
 function scheduleWork(fiber, expirationTime) {
   fiber = scheduleWorkToRoot(fiber, expirationTime);
-  if (null !== fiber) {
-    !isWorking &&
+  null !== fiber &&
+    (!isWorking &&
       0 !== nextRenderExpirationTime &&
       expirationTime < nextRenderExpirationTime &&
-      resetStack();
-    markPendingPriorityLevel(fiber, expirationTime);
-    if (!isWorking || isCommitting$1 || nextRoot !== fiber) {
-      expirationTime = fiber.expirationTime;
-      if (null === fiber.nextScheduledRoot)
-        (fiber.expirationTime = expirationTime),
-          null === lastScheduledRoot
-            ? ((firstScheduledRoot = lastScheduledRoot = fiber),
-              (fiber.nextScheduledRoot = fiber))
-            : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = fiber),
-              (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
-      else {
-        var remainingExpirationTime = fiber.expirationTime;
-        if (
-          0 === remainingExpirationTime ||
-          expirationTime < remainingExpirationTime
-        )
-          fiber.expirationTime = expirationTime;
-      }
-      isRendering ||
-        (isBatchingUpdates
-          ? isUnbatchingUpdates &&
-            ((nextFlushedRoot = fiber),
-            (nextFlushedExpirationTime = 1),
-            performWorkOnRoot(fiber, 1, !0))
-          : 1 === expirationTime
-            ? performWork(1, null)
-            : scheduleCallbackWithExpirationTime(fiber, expirationTime));
-    }
+      resetStack(),
+    markPendingPriorityLevel(fiber, expirationTime),
+    (isWorking && !isCommitting$1 && nextRoot === fiber) ||
+      requestWork(fiber, fiber.expirationTime),
     nestedUpdateCount > NESTED_UPDATE_LIMIT &&
       ((nestedUpdateCount = 0),
       invariant(
         !1,
         "Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops."
-      ));
-  }
+      )));
 }
 var firstScheduledRoot = null,
   lastScheduledRoot = null,
@@ -5826,13 +5994,29 @@ function onSuspend(
   msUntilTimeout
 ) {
   root.expirationTime = rootExpirationTime;
-  0 < msUntilTimeout &&
-    (root.timeoutHandle = scheduleTimeout(
-      onTimeout.bind(null, root, finishedWork, suspendedExpirationTime),
-      msUntilTimeout
-    ));
+  0 !== msUntilTimeout || shouldYield()
+    ? 0 < msUntilTimeout &&
+      (root.timeoutHandle = scheduleTimeout(
+        onTimeout.bind(null, root, finishedWork, suspendedExpirationTime),
+        msUntilTimeout
+      ))
+    : ((root.pendingCommitExpirationTime = suspendedExpirationTime),
+      (root.finishedWork = finishedWork));
+}
+function onTimeout(root, finishedWork, suspendedExpirationTime) {
+  root.pendingCommitExpirationTime = suspendedExpirationTime;
+  root.finishedWork = finishedWork;
+  recomputeCurrentRendererTime();
+  currentSchedulerTime = currentRendererTime;
+  invariant(
+    !isRendering,
+    "work.commit(): Cannot commit while already rendering. This likely means you attempted to commit from inside a lifecycle method."
+  );
+  nextFlushedRoot = root;
+  nextFlushedExpirationTime = suspendedExpirationTime;
+  performWorkOnRoot(root, suspendedExpirationTime, !0);
+  performWork(1, null);
 }
-function onTimeout() {}
 function onCommit(root, expirationTime) {
   root.expirationTime = expirationTime;
   root.finishedWork = null;
@@ -5848,6 +6032,32 @@ function requestCurrentTime() {
       (currentSchedulerTime = currentRendererTime);
   return currentSchedulerTime;
 }
+function requestWork(root, expirationTime) {
+  if (null === root.nextScheduledRoot)
+    (root.expirationTime = expirationTime),
+      null === lastScheduledRoot
+        ? ((firstScheduledRoot = lastScheduledRoot = root),
+          (root.nextScheduledRoot = root))
+        : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = root),
+          (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot));
+  else {
+    var remainingExpirationTime = root.expirationTime;
+    if (
+      0 === remainingExpirationTime ||
+      expirationTime < remainingExpirationTime
+    )
+      root.expirationTime = expirationTime;
+  }
+  isRendering ||
+    (isBatchingUpdates
+      ? isUnbatchingUpdates &&
+        ((nextFlushedRoot = root),
+        (nextFlushedExpirationTime = 1),
+        performWorkOnRoot(root, 1, !0))
+      : 1 === expirationTime
+        ? performWork(1, null)
+        : scheduleCallbackWithExpirationTime(root, expirationTime));
+}
 function findHighestPriorityRoot() {
   var highestPriorityWork = 0,
     highestPriorityRoot = null;
@@ -5984,6 +6194,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
     null !== finishedWork
       ? completeRoot(root, finishedWork, expirationTime)
       : ((root.finishedWork = null),
+        (finishedWork = root.timeoutHandle),
+        -1 !== finishedWork &&
+          ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
         renderRoot(root, !1, isExpired),
         (finishedWork = root.finishedWork),
         null !== finishedWork &&
@@ -5993,6 +6206,9 @@ function performWorkOnRoot(root, expirationTime, isExpired) {
       null !== finishedWork
         ? completeRoot(root, finishedWork, expirationTime)
         : ((root.finishedWork = null),
+          (finishedWork = root.timeoutHandle),
+          -1 !== finishedWork &&
+            ((root.timeoutHandle = -1), cancelTimeout(finishedWork)),
           renderRoot(root, !0, isExpired),
           (finishedWork = root.finishedWork),
           null !== finishedWork &&
@@ -6397,7 +6613,7 @@ var roots = new Map(),
   findFiberByHostInstance: getInstanceFromTag,
   getInspectorDataForViewTag: getInspectorDataForViewTag,
   bundleType: 0,
-  version: "16.5.2",
+  version: "16.6.0-alpha.8af6728",
   rendererPackageName: "react-native-renderer"
 });
 var ReactNativeRenderer$2 = { default: ReactNativeRenderer },