{"body":"","parents":["9b79292ae7c2980acb531f1dff3cf1ca2d2f40b7"],"commit":{"authorName":"Jack Pope","revision":"4ca97e4891b6a664b4c3a183f16b81139655ff57","subject":"Clean up enableSiblingPrerendering flag (#32319)","authoredAt":"2025-05-08T20:49:23-04:00","shortRevision":"4ca97e4891","authorEmail":"jackpope1@gmail.com"},"patch":"diff --git a\/packages\/react-cache\/src\/__tests__\/ReactCacheOld-test.internal.js b\/packages\/react-cache\/src\/__tests__\/ReactCacheOld-test.internal.js\nindex 0c75abf06b..c9247f6a88 100644\n--- a\/packages\/react-cache\/src\/__tests__\/ReactCacheOld-test.internal.js\n+++ b\/packages\/react-cache\/src\/__tests__\/ReactCacheOld-test.internal.js\n@@ -126,8 +126,8 @@ describe('ReactCache', () => {\n await waitForAll([\n 'Suspend! [Hi]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Hi]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Hi]',\n ]);\n \n jest.advanceTimersByTime(100);\n@@ -150,8 +150,8 @@ describe('ReactCache', () => {\n await waitForAll([\n 'Suspend! [Hi]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Hi]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Hi]',\n ]);\n \n textResourceShouldFail = true;\n@@ -195,8 +195,8 @@ describe('ReactCache', () => {\n await waitForAll([\n 'App',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['App'] : []),\n+ \/\/ pre-warming\n+ 'App',\n ]);\n assertConsoleErrorDev([\n 'Invalid key type. Expected a string, number, symbol, or ' +\n@@ -204,27 +204,24 @@ describe('ReactCache', () => {\n 'To use non-primitive values as keys, you must pass a hash ' +\n 'function as the second argument to createResource().\\n' +\n ' in App (at **)',\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Invalid key type. Expected a string, number, symbol, or ' +\n- \"boolean, but instead received: [ 'Hi', 100 ]\\n\\n\" +\n- 'To use non-primitive values as keys, you must pass a hash ' +\n- 'function as the second argument to createResource().\\n' +\n- ' in App (at **)',\n- ]\n- : []),\n+\n+ \/\/ pre-warming\n+ 'Invalid key type. Expected a string, number, symbol, or ' +\n+ \"boolean, but instead received: [ 'Hi', 100 ]\\n\\n\" +\n+ 'To use non-primitive values as keys, you must pass a hash ' +\n+ 'function as the second argument to createResource().\\n' +\n+ ' in App (at **)',\n ]);\n } else {\n await waitForAll([\n 'App',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['App'] : []),\n+ \/\/ pre-warming\n+ 'App',\n ]);\n }\n });\n \n- \/\/ @gate enableSiblingPrerendering\n it('evicts least recently used values', async () => {\n ReactCache.unstable_setGlobalCacheLimit(3);\n \n@@ -240,15 +237,28 @@ describe('ReactCache', () => {\n await waitForPaint(['Suspend! [1]', 'Loading...']);\n jest.advanceTimersByTime(100);\n assertLog(['Promise resolved [1]']);\n- await waitForAll([1, 'Suspend! [2]']);\n+ await waitForAll([\n+ 1,\n+ 'Suspend! [2]',\n+ ...(gate('alwaysThrottleRetries')\n+ ? []\n+ : [1, 'Suspend! [2]', 'Suspend! [3]']),\n+ ]);\n \n jest.advanceTimersByTime(100);\n- assertLog(['Promise resolved [2]']);\n- await waitForAll([1, 2, 'Suspend! [3]']);\n+ assertLog([\n+ 'Promise resolved [2]',\n+ ...(gate('alwaysThrottleRetries') ? [] : ['Promise resolved [3]']),\n+ ]);\n+ await waitForAll([\n+ 1,\n+ 2,\n+ ...(gate('alwaysThrottleRetries') ? ['Suspend! [3]'] : [3]),\n+ ]);\n \n jest.advanceTimersByTime(100);\n- assertLog(['Promise resolved [3]']);\n- await waitForAll([1, 2, 3]);\n+ assertLog(gate('alwaysThrottleRetries') ? ['Promise resolved [3]'] : []);\n+ await waitForAll(gate('alwaysThrottleRetries') ? [1, 2, 3] : []);\n \n await act(() => jest.advanceTimersByTime(100));\n expect(root).toMatchRenderedOutput('123');\n@@ -378,8 +388,8 @@ describe('ReactCache', () => {\n await waitForAll([\n 'Suspend! [Hi]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Hi]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Hi]',\n ]);\n \n resolveThenable('Hi');\ndiff --git a\/packages\/react-devtools-shared\/src\/__tests__\/TimelineProfiler-test.js b\/packages\/react-devtools-shared\/src\/__tests__\/TimelineProfiler-test.js\nindex e632227ab3..d46cac42b7 100644\n--- a\/packages\/react-devtools-shared\/src\/__tests__\/TimelineProfiler-test.js\n+++ b\/packages\/react-devtools-shared\/src\/__tests__\/TimelineProfiler-test.js\n@@ -15,22 +15,11 @@ import {\n normalizeCodeLocInfo,\n } from '.\/utils';\n \n-import {ReactVersion} from '..\/..\/..\/..\/ReactVersions';\n-import semver from 'semver';\n-\n let React = require('react');\n let Scheduler;\n let store;\n let utils;\n \n-\/\/ TODO: This is how other DevTools tests access the version but we should find\n-\/\/ a better solution for this\n-const ReactVersionTestingAgainst = process.env.REACT_VERSION || ReactVersion;\n-\/\/ Disabling this while the flag is off in experimental. Leaving the logic so we can\n-\/\/ restore the behavior when we turn the flag back on.\n-const enableSiblingPrerendering =\n- false && semver.gte(ReactVersionTestingAgainst, '19.0.0');\n-\n \/\/ This flag is on experimental which disables timeline profiler.\n const enableComponentPerformanceTrack =\n React.version.startsWith('19') && React.version.includes('experimental');\n@@ -1678,8 +1667,8 @@ describe('Timeline profiler', () => {\n \n await waitForAll([\n 'suspended',\n-\n- ...(enableSiblingPrerendering ? ['suspended'] : []),\n+ \/\/ pre-warming\n+ 'suspended',\n ]);\n \n Scheduler.unstable_advanceTime(10);\n@@ -1691,8 +1680,7 @@ describe('Timeline profiler', () => {\n const timelineData = stopProfilingAndGetTimelineData();\n \n \/\/ Verify the Suspense event and duration was recorded.\n- if (enableSiblingPrerendering) {\n- expect(timelineData.suspenseEvents).toMatchInlineSnapshot(`\n+ expect(timelineData.suspenseEvents).toMatchInlineSnapshot(`\n [\n {\n \"componentName\": \"Example\",\n@@ -1720,29 +1708,11 @@ describe('Timeline profiler', () => {\n },\n ]\n `);\n- } else {\n- const suspenseEvent = timelineData.suspenseEvents[0];\n- expect(suspenseEvent).toMatchInlineSnapshot(`\n- {\n- \"componentName\": \"Example\",\n- \"depth\": 0,\n- \"duration\": 10,\n- \"id\": \"0\",\n- \"phase\": \"mount\",\n- \"promiseName\": \"\",\n- \"resolution\": \"resolved\",\n- \"timestamp\": 10,\n- \"type\": \"suspense\",\n- \"warning\": null,\n- }\n- `);\n- }\n \n \/\/ There should be two batches of renders: Suspeneded and resolved.\n expect(timelineData.batchUIDToMeasuresMap.size).toBe(2);\n- expect(timelineData.componentMeasures).toHaveLength(\n- enableSiblingPrerendering ? 3 : 2,\n- );\n+ \/\/ An additional measure with pre-warming\n+ expect(timelineData.componentMeasures).toHaveLength(3);\n });\n \n it('should mark concurrent render with suspense that rejects', async () => {\n@@ -1769,11 +1739,7 @@ describe('Timeline profiler', () => {\n <\/React.Suspense>,\n );\n \n- await waitForAll([\n- 'suspended',\n-\n- ...(enableSiblingPrerendering ? ['suspended'] : []),\n- ]);\n+ await waitForAll(['suspended', 'suspended']);\n \n Scheduler.unstable_advanceTime(10);\n rejectFn();\n@@ -1784,8 +1750,7 @@ describe('Timeline profiler', () => {\n const timelineData = stopProfilingAndGetTimelineData();\n \n \/\/ Verify the Suspense event and duration was recorded.\n- if (enableSiblingPrerendering) {\n- expect(timelineData.suspenseEvents).toMatchInlineSnapshot(`\n+ expect(timelineData.suspenseEvents).toMatchInlineSnapshot(`\n [\n {\n \"componentName\": \"Example\",\n@@ -1813,30 +1778,11 @@ describe('Timeline profiler', () => {\n },\n ]\n `);\n- } else {\n- expect(timelineData.suspenseEvents).toHaveLength(1);\n- const suspenseEvent = timelineData.suspenseEvents[0];\n- expect(suspenseEvent).toMatchInlineSnapshot(`\n- {\n- \"componentName\": \"Example\",\n- \"depth\": 0,\n- \"duration\": 10,\n- \"id\": \"0\",\n- \"phase\": \"mount\",\n- \"promiseName\": \"\",\n- \"resolution\": \"rejected\",\n- \"timestamp\": 10,\n- \"type\": \"suspense\",\n- \"warning\": null,\n- }\n- `);\n- }\n \n \/\/ There should be two batches of renders: Suspeneded and resolved.\n expect(timelineData.batchUIDToMeasuresMap.size).toBe(2);\n- expect(timelineData.componentMeasures).toHaveLength(\n- enableSiblingPrerendering ? 3 : 2,\n- );\n+ \/\/ An additional measure with pre-warming\n+ expect(timelineData.componentMeasures).toHaveLength(3);\n });\n \n it('should mark cascading class component state updates', async () => {\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMFiberAsync-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMFiberAsync-test.js\nindex 24a9c4308a..c1dc8a33cc 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMFiberAsync-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMFiberAsync-test.js\n@@ -751,7 +751,8 @@ describe('ReactDOMFiberAsync', () => {\n \/\/ Because it suspended, it remains on the current path\n expect(div.textContent).toBe('\/path\/a');\n });\n- assertLog(gate('enableSiblingPrerendering') ? ['Suspend! [\/path\/b]'] : []);\n+ \/\/ pre-warming\n+ assertLog(['Suspend! [\/path\/b]']);\n \n await act(async () => {\n resolvePromise();\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMForm-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMForm-test.js\nindex f981ed4c38..03b9076b33 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMForm-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMForm-test.js\n@@ -1437,8 +1437,8 @@ describe('ReactDOMForm', () => {\n assertLog([\n 'Suspend! [Count: 0]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Count: 0]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Count: 0]',\n ]);\n await act(() => resolveText('Count: 0'));\n assertLog(['Count: 0']);\n@@ -1448,8 +1448,8 @@ describe('ReactDOMForm', () => {\n assertLog([\n 'Suspend! [Count: 1]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Count: 1]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Count: 1]',\n ]);\n expect(container.textContent).toBe('Loading...');\n \n@@ -1482,8 +1482,8 @@ describe('ReactDOMForm', () => {\n await act(() => root.render());\n assertLog([\n 'Suspend! [Count: 0]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Count: 0]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Count: 0]',\n ]);\n await act(() => resolveText('Count: 0'));\n assertLog(['Count: 0']);\n@@ -1501,8 +1501,8 @@ describe('ReactDOMForm', () => {\n ]);\n assertLog([\n 'Suspend! [Count: 1]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Count: 1]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Count: 1]',\n ]);\n expect(container.textContent).toBe('Count: 0');\n });\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMSuspensePlaceholder-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMSuspensePlaceholder-test.js\nindex fa22142702..a38eb8f368 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMSuspensePlaceholder-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMSuspensePlaceholder-test.js\n@@ -164,8 +164,10 @@ describe('ReactDOMSuspensePlaceholder', () => {\n 'A',\n 'Suspend! [B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [B]', 'C'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [B]',\n+ 'C',\n ]);\n await act(() => {\n resolveText('B');\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactWrongReturnPointer-test.js b\/packages\/react-dom\/src\/__tests__\/ReactWrongReturnPointer-test.js\nindex 796d429625..e221f01b92 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactWrongReturnPointer-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactWrongReturnPointer-test.js\n@@ -196,8 +196,8 @@ test('regression (#20932): return pointer is correct before entering deleted tre\n 'Suspend! [0]',\n 'Loading Async...',\n 'Loading Tail...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [0]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [0]',\n ]);\n await act(() => {\n resolveText(0);\n@@ -211,7 +211,7 @@ test('regression (#20932): return pointer is correct before entering deleted tre\n 'Loading Async...',\n 'Suspend! [1]',\n 'Loading Async...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [1]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [1]',\n ]);\n });\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberCompleteWork.js b\/packages\/react-reconciler\/src\/ReactFiberCompleteWork.js\nindex c6b9334c65..d62e3c3fea 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberCompleteWork.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberCompleteWork.js\n@@ -41,7 +41,6 @@ import {\n enableRenderableContext,\n passChildrenWhenCloningPersistedNodes,\n disableLegacyMode,\n- enableSiblingPrerendering,\n enableViewTransition,\n enableSuspenseyImages,\n } from 'shared\/ReactFeatureFlags';\n@@ -667,9 +666,7 @@ function scheduleRetryEffect(\n \n \/\/ Track the lanes that have been scheduled for an immediate retry so that\n \/\/ we can mark them as suspended upon committing the root.\n- if (enableSiblingPrerendering) {\n- markSpawnedRetryLane(retryLane);\n- }\n+ markSpawnedRetryLane(retryLane);\n }\n }\n \ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberLane.js b\/packages\/react-reconciler\/src\/ReactFiberLane.js\nindex 6548aeac3a..fdada6b065 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberLane.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberLane.js\n@@ -27,7 +27,6 @@ import {\n transitionLaneExpirationMs,\n retryLaneExpirationMs,\n disableLegacyMode,\n- enableSiblingPrerendering,\n } from 'shared\/ReactFeatureFlags';\n import {isDevToolsPresent} from '.\/ReactFiberDevToolsHook';\n import {clz32} from '.\/clz32';\n@@ -267,13 +266,11 @@ export function getNextLanes(\n if (nonIdlePingedLanes !== NoLanes) {\n nextLanes = getHighestPriorityLanes(nonIdlePingedLanes);\n } else {\n- if (enableSiblingPrerendering) {\n- \/\/ Nothing has been pinged. Check for lanes that need to be prewarmed.\n- if (!rootHasPendingCommit) {\n- const lanesToPrewarm = nonIdlePendingLanes & ~warmLanes;\n- if (lanesToPrewarm !== NoLanes) {\n- nextLanes = getHighestPriorityLanes(lanesToPrewarm);\n- }\n+ \/\/ Nothing has been pinged. Check for lanes that need to be prewarmed.\n+ if (!rootHasPendingCommit) {\n+ const lanesToPrewarm = nonIdlePendingLanes & ~warmLanes;\n+ if (lanesToPrewarm !== NoLanes) {\n+ nextLanes = getHighestPriorityLanes(lanesToPrewarm);\n }\n }\n }\n@@ -293,13 +290,11 @@ export function getNextLanes(\n if (pingedLanes !== NoLanes) {\n nextLanes = getHighestPriorityLanes(pingedLanes);\n } else {\n- if (enableSiblingPrerendering) {\n- \/\/ Nothing has been pinged. Check for lanes that need to be prewarmed.\n- if (!rootHasPendingCommit) {\n- const lanesToPrewarm = pendingLanes & ~warmLanes;\n- if (lanesToPrewarm !== NoLanes) {\n- nextLanes = getHighestPriorityLanes(lanesToPrewarm);\n- }\n+ \/\/ Nothing has been pinged. Check for lanes that need to be prewarmed.\n+ if (!rootHasPendingCommit) {\n+ const lanesToPrewarm = pendingLanes & ~warmLanes;\n+ if (lanesToPrewarm !== NoLanes) {\n+ nextLanes = getHighestPriorityLanes(lanesToPrewarm);\n }\n }\n }\n@@ -802,7 +797,7 @@ export function markRootSuspended(\n root.suspendedLanes |= suspendedLanes;\n root.pingedLanes &= ~suspendedLanes;\n \n- if (enableSiblingPrerendering && didAttemptEntireTree) {\n+ if (didAttemptEntireTree) {\n \/\/ Mark these lanes as warm so we know there's nothing else to work on.\n root.warmLanes |= suspendedLanes;\n } else {\n@@ -913,7 +908,6 @@ export function markRootFinished(\n \/\/ suspended) instead of the regular mode (i.e. unwind and skip the siblings\n \/\/ as soon as something suspends to unblock the rest of the update).\n if (\n- enableSiblingPrerendering &&\n suspendedRetryLanes !== NoLanes &&\n \/\/ Note that we only do this if there were no updates since we started\n \/\/ rendering. This mirrors the logic in markRootUpdated — whenever we\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberRootScheduler.js b\/packages\/react-reconciler\/src\/ReactFiberRootScheduler.js\nindex 3415d1795a..f7c26580bb 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberRootScheduler.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberRootScheduler.js\n@@ -18,7 +18,6 @@ import {\n enableProfilerTimer,\n enableProfilerNestedUpdatePhase,\n enableComponentPerformanceTrack,\n- enableSiblingPrerendering,\n enableYieldingBeforePassive,\n enableGestureTransition,\n } from 'shared\/ReactFeatureFlags';\n@@ -381,7 +380,7 @@ function scheduleTaskForRootDuringMicrotask(\n \/\/ If we're prerendering, then we should use the concurrent work loop\n \/\/ even if the lanes are synchronous, so that prerendering never blocks\n \/\/ the main thread.\n- !(enableSiblingPrerendering && checkIfRootIsPrerendering(root, nextLanes))\n+ !checkIfRootIsPrerendering(root, nextLanes)\n ) {\n \/\/ Synchronous work is always flushed at the end of the microtask, so we\n \/\/ don't need to schedule an additional task.\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberWorkLoop.js b\/packages\/react-reconciler\/src\/ReactFiberWorkLoop.js\nindex 80d8f27951..95285c936e 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberWorkLoop.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberWorkLoop.js\n@@ -47,7 +47,6 @@ import {\n enableInfiniteRenderLoopDetection,\n disableLegacyMode,\n disableDefaultPropsExceptForClasses,\n- enableSiblingPrerendering,\n enableComponentPerformanceTrack,\n enableYieldingBeforePassive,\n enableThrottledScheduling,\n@@ -1061,7 +1060,7 @@ export function performWorkOnRoot(\n \/\/ the main thread.\n \/\/ TODO: We should consider doing this whenever a sync lane is suspended,\n \/\/ even for regular pings.\n- (enableSiblingPrerendering && checkIfRootIsPrerendering(root, lanes));\n+ checkIfRootIsPrerendering(root, lanes);\n \n let exitStatus = shouldTimeSlice\n ? renderRootConcurrent(root, lanes)\n@@ -1072,11 +1071,7 @@ export function performWorkOnRoot(\n do {\n if (exitStatus === RootInProgress) {\n \/\/ Render phase is still in progress.\n- if (\n- enableSiblingPrerendering &&\n- workInProgressRootIsPrerendering &&\n- !shouldTimeSlice\n- ) {\n+ if (workInProgressRootIsPrerendering && !shouldTimeSlice) {\n \/\/ We're in prerendering mode, but time slicing is not enabled. This\n \/\/ happens when something suspends during a synchronous update. Exit the\n \/\/ the work loop. When we resume, we'll use the concurrent work loop so\n@@ -2057,27 +2052,13 @@ function handleThrow(root: FiberRoot, thrownValue: any): void {\n \/\/ API for suspending. This implementation detail can change later, once we\n \/\/ deprecate the old API in favor of `use`.\n thrownValue = getSuspendedThenable();\n- workInProgressSuspendedReason =\n- \/\/ TODO: Suspending the work loop during the render phase is\n- \/\/ currently not compatible with sibling prerendering. We will add\n- \/\/ this optimization back in a later step.\n- !enableSiblingPrerendering &&\n- shouldRemainOnPreviousScreen() &&\n- \/\/ Check if there are other pending updates that might possibly unblock this\n- \/\/ component from suspending. This mirrors the check in\n- \/\/ renderDidSuspendDelayIfPossible. We should attempt to unify them somehow.\n- \/\/ TODO: Consider unwinding immediately, using the\n- \/\/ SuspendedOnHydration mechanism.\n- !includesNonIdleWork(workInProgressRootSkippedLanes) &&\n- !includesNonIdleWork(workInProgressRootInterleavedUpdatedLanes)\n- ? \/\/ Suspend work loop until data resolves\n- thrownValue === SuspenseActionException\n- ? SuspendedOnAction\n- : SuspendedOnData\n- : \/\/ Don't suspend work loop, except to check if the data has\n- \/\/ immediately resolved (i.e. in a microtask). Otherwise, trigger the\n- \/\/ nearest Suspense fallback.\n- SuspendedOnImmediate;\n+ \/\/ TODO: Suspending the work loop during the render phase is\n+ \/\/ currently not compatible with sibling prerendering. We will add\n+ \/\/ this optimization back in a later step.\n+ \/\/ Don't suspend work loop, except to check if the data has\n+ \/\/ immediately resolved (i.e. in a microtask). Otherwise, trigger the\n+ \/\/ nearest Suspense fallback.\n+ workInProgressSuspendedReason = SuspendedOnImmediate;\n } else if (thrownValue === SuspenseyCommitException) {\n thrownValue = getSuspendedThenable();\n workInProgressSuspendedReason = SuspendedOnInstance;\n@@ -2421,7 +2402,6 @@ function renderRootSync(\n workInProgressThrownValue = null;\n throwAndUnwindWorkLoop(root, unitOfWork, thrownValue, reason);\n if (\n- enableSiblingPrerendering &&\n shouldYieldForPrerendering &&\n workInProgressRootIsPrerendering\n ) {\n@@ -3008,56 +2988,54 @@ function throwAndUnwindWorkLoop(\n if (unitOfWork.flags & Incomplete) {\n \/\/ Unwind the stack until we reach the nearest boundary.\n let skipSiblings;\n- if (!enableSiblingPrerendering) {\n+\n+ if (\n+ \/\/ The current algorithm for both hydration and error handling assumes\n+ \/\/ that the tree is rendered sequentially. So we always skip the siblings.\n+ getIsHydrating() ||\n+ suspendedReason === SuspendedOnError\n+ ) {\n skipSiblings = true;\n- } else {\n+ \/\/ We intentionally don't set workInProgressRootDidSkipSuspendedSiblings,\n+ \/\/ because we don't want to trigger another prerender attempt.\n+ } else if (\n+ \/\/ Check whether this is a prerender\n+ !workInProgressRootIsPrerendering &&\n+ \/\/ Offscreen rendering is also a form of speculative rendering\n+ !includesSomeLane(workInProgressRootRenderLanes, OffscreenLane)\n+ ) {\n+ \/\/ This is not a prerender. Skip the siblings during this render. A\n+ \/\/ separate prerender will be scheduled for later.\n+ skipSiblings = true;\n+ workInProgressRootDidSkipSuspendedSiblings = true;\n+\n+ \/\/ Because we're skipping the siblings, schedule an immediate retry of\n+ \/\/ this boundary.\n+ \/\/\n+ \/\/ The reason we do this is because a prerender is only scheduled when\n+ \/\/ the root is blocked from committing, i.e. RootSuspendedWithDelay.\n+ \/\/ When the root is not blocked, as in the case when we render a\n+ \/\/ fallback, the original lane is considered to be finished, and\n+ \/\/ therefore no longer in need of being prerendered. However, there's\n+ \/\/ still a pending retry that will happen once the data streams in.\n+ \/\/ We should start rendering that even before the data streams in so we\n+ \/\/ can prerender the siblings.\n if (\n- \/\/ The current algorithm for both hydration and error handling assumes\n- \/\/ that the tree is rendered sequentially. So we always skip the siblings.\n- getIsHydrating() ||\n- suspendedReason === SuspendedOnError\n- ) {\n- skipSiblings = true;\n- \/\/ We intentionally don't set workInProgressRootDidSkipSuspendedSiblings,\n- \/\/ because we don't want to trigger another prerender attempt.\n- } else if (\n- \/\/ Check whether this is a prerender\n- !workInProgressRootIsPrerendering &&\n- \/\/ Offscreen rendering is also a form of speculative rendering\n- !includesSomeLane(workInProgressRootRenderLanes, OffscreenLane)\n+ suspendedReason === SuspendedOnData ||\n+ suspendedReason === SuspendedOnAction ||\n+ suspendedReason === SuspendedOnImmediate ||\n+ suspendedReason === SuspendedOnDeprecatedThrowPromise\n ) {\n- \/\/ This is not a prerender. Skip the siblings during this render. A\n- \/\/ separate prerender will be scheduled for later.\n- skipSiblings = true;\n- workInProgressRootDidSkipSuspendedSiblings = true;\n-\n- \/\/ Because we're skipping the siblings, schedule an immediate retry of\n- \/\/ this boundary.\n- \/\/\n- \/\/ The reason we do this is because a prerender is only scheduled when\n- \/\/ the root is blocked from committing, i.e. RootSuspendedWithDelay.\n- \/\/ When the root is not blocked, as in the case when we render a\n- \/\/ fallback, the original lane is considered to be finished, and\n- \/\/ therefore no longer in need of being prerendered. However, there's\n- \/\/ still a pending retry that will happen once the data streams in.\n- \/\/ We should start rendering that even before the data streams in so we\n- \/\/ can prerender the siblings.\n- if (\n- suspendedReason === SuspendedOnData ||\n- suspendedReason === SuspendedOnAction ||\n- suspendedReason === SuspendedOnImmediate ||\n- suspendedReason === SuspendedOnDeprecatedThrowPromise\n- ) {\n- const boundary = getSuspenseHandler();\n- if (boundary !== null && boundary.tag === SuspenseComponent) {\n- boundary.flags |= ScheduleRetry;\n- }\n+ const boundary = getSuspenseHandler();\n+ if (boundary !== null && boundary.tag === SuspenseComponent) {\n+ boundary.flags |= ScheduleRetry;\n }\n- } else {\n- \/\/ This is a prerender. Don't skip the siblings.\n- skipSiblings = false;\n }\n+ } else {\n+ \/\/ This is a prerender. Don't skip the siblings.\n+ skipSiblings = false;\n }\n+\n unwindUnitOfWork(unitOfWork, skipSiblings);\n } else {\n \/\/ Although the fiber suspended, we're intentionally going to commit it in\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ActivityLegacySuspense-test.js b\/packages\/react-reconciler\/src\/__tests__\/ActivityLegacySuspense-test.js\nindex 424594cc35..3d059ab8e3 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ActivityLegacySuspense-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ActivityLegacySuspense-test.js\n@@ -205,9 +205,8 @@ describe('Activity Suspense', () => {\n });\n assertLog([\n 'Suspend! [hello]',\n- ...(gate(flags => flags.enableSiblingPrerendering)\n- ? ['Suspend! [hello]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [hello]',\n ]);\n expect(root).toMatchRenderedOutput('Loading');\n \ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ActivityStrictMode-test.js b\/packages\/react-reconciler\/src\/__tests__\/ActivityStrictMode-test.js\nindex 12b319080d..78947437f6 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ActivityStrictMode-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ActivityStrictMode-test.js\n@@ -240,11 +240,10 @@ describe('Activity StrictMode', () => {\n 'Parent mount',\n 'Parent unmount',\n 'Parent mount',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Child rendered', 'Child suspended']\n- : []),\n-\n+ \/\/ pre-warming\n+ 'Child rendered',\n+ 'Child suspended',\n+ \/\/ end pre-warming\n '------------------------------',\n 'Child rendered',\n 'Child rendered',\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ActivitySuspense-test.js b\/packages\/react-reconciler\/src\/__tests__\/ActivitySuspense-test.js\nindex 2fb35df457..b18573efa5 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ActivitySuspense-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ActivitySuspense-test.js\n@@ -202,9 +202,8 @@ describe('Activity Suspense', () => {\n });\n assertLog([\n 'Suspend! [hello]',\n- ...(gate(flags => flags.enableSiblingPrerendering)\n- ? ['Suspend! [hello]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [hello]',\n ]);\n expect(root).toMatchRenderedOutput('Loading');\n \n@@ -265,7 +264,8 @@ describe('Activity Suspense', () => {\n assertLog([\n 'Open',\n 'Suspend! [Async]',\n- ...(gate(flags => flags.enableSiblingPrerendering) ? ['Loading...'] : []),\n+ \/\/ pre-warming\n+ 'Loading...',\n ]);\n \/\/ It should suspend with delay to prevent the already-visible Suspense\n \/\/ boundary from switching to a fallback\n@@ -276,7 +276,9 @@ describe('Activity Suspense', () => {\n await resolveText('Async');\n });\n assertLog([\n- ...(gate(flags => flags.enableSiblingPrerendering) ? ['Open'] : []),\n+ \/\/ pre-warming\n+ 'Open',\n+ \/\/ end pre-warming\n 'Async',\n ]);\n expect(root).toMatchRenderedOutput(\n@@ -333,7 +335,8 @@ describe('Activity Suspense', () => {\n assertLog([\n 'Open',\n 'Suspend! [Async]',\n- ...(gate(flags => flags.enableSiblingPrerendering) ? ['Loading...'] : []),\n+ \/\/ pre-warming\n+ 'Loading...',\n ]);\n \/\/ It should suspend with delay to prevent the already-visible Suspense\n \/\/ boundary from switching to a fallback\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactActWarnings-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactActWarnings-test.js\nindex 8282740655..017238e3f9 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactActWarnings-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactActWarnings-test.js\n@@ -367,8 +367,8 @@ describe('act warnings', () => {\n assertLog([\n 'Suspend! [Async]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Async]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Async]',\n ]);\n expect(root).toMatchRenderedOutput('Loading...');\n \n@@ -388,21 +388,19 @@ describe('act warnings', () => {\n \"This ensures that you're testing the behavior the user would see in the browser. \" +\n 'Learn more at https:\/\/react.dev\/link\/wrap-tests-with-act',\n \n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'A suspended resource finished loading inside a test, but the event was not wrapped in act(...).\\n' +\n- '\\n' +\n- 'When testing, code that resolves suspended data should be wrapped into act(...):\\n' +\n- '\\n' +\n- 'act(() => {\\n' +\n- ' \/* finish loading suspended data *\/\\n' +\n- '});\\n' +\n- '\/* assert on the output *\/\\n' +\n- '\\n' +\n- \"This ensures that you're testing the behavior the user would see in the browser. \" +\n- 'Learn more at https:\/\/react.dev\/link\/wrap-tests-with-act',\n- ]\n- : []),\n+ \/\/ pre-warming\n+\n+ 'A suspended resource finished loading inside a test, but the event was not wrapped in act(...).\\n' +\n+ '\\n' +\n+ 'When testing, code that resolves suspended data should be wrapped into act(...):\\n' +\n+ '\\n' +\n+ 'act(() => {\\n' +\n+ ' \/* finish loading suspended data *\/\\n' +\n+ '});\\n' +\n+ '\/* assert on the output *\/\\n' +\n+ '\\n' +\n+ \"This ensures that you're testing the behavior the user would see in the browser. \" +\n+ 'Learn more at https:\/\/react.dev\/link\/wrap-tests-with-act',\n ],\n \n {withoutStack: true},\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactAsyncActions-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactAsyncActions-test.js\nindex 43e071d414..20480eb287 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactAsyncActions-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactAsyncActions-test.js\n@@ -301,10 +301,9 @@ describe('ReactAsyncActions', () => {\n 'Async action ended',\n 'Pending: false',\n 'Suspend! [A1]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [B1]', 'Suspend! [C1]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B1]',\n+ 'Suspend! [C1]',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\n@@ -321,8 +320,8 @@ describe('ReactAsyncActions', () => {\n 'Pending: false',\n 'A1',\n 'Suspend! [B1]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C1]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [C1]',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactBatching-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactBatching-test.internal.js\nindex b11e78bdec..bc3cfd8deb 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactBatching-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactBatching-test.internal.js\n@@ -113,8 +113,10 @@ describe('ReactBlockingMode', () => {\n 'A',\n 'Suspend! [B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [B]', 'C'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [B]',\n+ 'C',\n ]);\n \/\/ In Legacy Mode, A and B would mount in a hidden primary tree. In\n \/\/ Concurrent Mode, nothing in the primary tree should mount. But the\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactCPUSuspense-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactCPUSuspense-test.js\nindex b36164fca2..1b1489de33 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactCPUSuspense-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactCPUSuspense-test.js\n@@ -233,8 +233,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ Inner contents suspended, so we continue showing a fallback.\n assertLog([\n 'Suspend! [Inner]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Inner]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Inner]',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactConcurrentErrorRecovery-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactConcurrentErrorRecovery-test.js\nindex 4a00607ffb..d4bd1958f6 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactConcurrentErrorRecovery-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactConcurrentErrorRecovery-test.js\n@@ -399,10 +399,8 @@ describe('ReactConcurrentErrorRecovery', () => {\n });\n assertLog([\n 'Suspend! [Async]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Caught an error: Oops!']\n- : []),\n+ \/\/ pre-warming\n+ 'Caught an error: Oops!',\n ]);\n \/\/ The render suspended without committing the error.\n expect(root).toMatchRenderedOutput(null);\n@@ -420,13 +418,7 @@ describe('ReactConcurrentErrorRecovery', () => {\n );\n });\n });\n- assertLog([\n- 'Suspend! [Async]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Caught an error: Oops!']\n- : []),\n- ]);\n+ assertLog(['Suspend! [Async]', 'Caught an error: Oops!']);\n expect(root).toMatchRenderedOutput(null);\n \n await act(async () => {\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactContextPropagation-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactContextPropagation-test.js\nindex 019119edf7..6ed19ba6d5 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactContextPropagation-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactContextPropagation-test.js\n@@ -398,8 +398,8 @@ describe('ReactLazyContextPropagation', () => {\n 'Suspend! [B]',\n 'Loading...',\n 'B',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n expect(root).toMatchRenderedOutput('Loading...B');\n \n@@ -484,8 +484,8 @@ describe('ReactLazyContextPropagation', () => {\n 'Suspend! [B]',\n 'Loading...',\n 'B',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n expect(root).toMatchRenderedOutput('Loading...B');\n \n@@ -822,8 +822,8 @@ describe('ReactLazyContextPropagation', () => {\n assertLog([\n 'Suspend! [B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n expect(root).toMatchRenderedOutput('Loading...');\n \ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactDeferredValue-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactDeferredValue-test.js\nindex f57fc0ac02..f8504720ac 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactDeferredValue-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactDeferredValue-test.js\n@@ -420,10 +420,9 @@ describe('ReactDeferredValue', () => {\n \/\/ The initial value suspended, so we attempt the final value, which\n \/\/ also suspends.\n 'Suspend! [Final]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Loading...]', 'Suspend! [Final]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Loading...]',\n+ 'Suspend! [Final]',\n ]);\n expect(root).toMatchRenderedOutput(null);\n \n@@ -463,10 +462,9 @@ describe('ReactDeferredValue', () => {\n \/\/ The initial value suspended, so we attempt the final value, which\n \/\/ also suspends.\n 'Suspend! [Final]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Loading...]', 'Suspend! [Final]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Loading...]',\n+ 'Suspend! [Final]',\n ]);\n expect(root).toMatchRenderedOutput(null);\n \n@@ -507,8 +505,8 @@ describe('ReactDeferredValue', () => {\n \/\/ The initial value suspended, so we attempt the final value, which\n \/\/ also suspends.\n 'Suspend! [Final]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Final]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Final]',\n ]);\n expect(root).toMatchRenderedOutput('Fallback');\n \n@@ -541,10 +539,9 @@ describe('ReactDeferredValue', () => {\n \/\/ The initial value suspended, so we attempt the final value, which\n \/\/ also suspends.\n 'Suspend! [Final]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Loading...]', 'Suspend! [Final]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Loading...]',\n+ 'Suspend! [Final]',\n ]);\n expect(root).toMatchRenderedOutput(null);\n \n@@ -644,8 +641,8 @@ describe('ReactDeferredValue', () => {\n \/\/ go straight to attempting the final value.\n 'Suspend! [Content]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Content]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Content]',\n ]);\n \/\/ The content suspended, so we show a Suspense fallback\n expect(root).toMatchRenderedOutput('Loading...');\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactExpiration-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactExpiration-test.js\nindex 5b09d7d0b8..1c678f8cfe 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactExpiration-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactExpiration-test.js\n@@ -654,9 +654,10 @@ describe('ReactExpiration', () => {\n });\n await waitForAll([\n 'Suspend! [A1]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['B', 'C'] : []),\n-\n+ \/\/ pre-warming\n+ 'B',\n+ 'C',\n+ \/\/ end pre-warming\n 'Loading...',\n ]);\n \ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactHooksWithNoopRenderer-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactHooksWithNoopRenderer-test.js\nindex f72b738cf6..905aac9a78 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactHooksWithNoopRenderer-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactHooksWithNoopRenderer-test.js\n@@ -3658,8 +3658,8 @@ describe('ReactHooksWithNoopRenderer', () => {\n 'A',\n 'Suspend! [A]',\n 'Loading',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactLazy-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactLazy-test.internal.js\nindex e8c2153cab..a6306bfcfe 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactLazy-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactLazy-test.internal.js\n@@ -198,7 +198,10 @@ describe('ReactLazy', () => {\n \n await resolveFakeImport(Foo);\n \n- await waitForAll(['Foo']);\n+ await waitForAll([\n+ 'Foo',\n+ ...(gate('alwaysThrottleRetries') ? [] : ['Foo']),\n+ ]);\n expect(root).not.toMatchRenderedOutput('FooBar');\n \n await act(() => resolveFakeImport(Bar));\n@@ -326,8 +329,8 @@ describe('ReactLazy', () => {\n await waitForAll([\n 'Suspend! [LazyChildA]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [LazyChildB]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [LazyChildB]',\n ]);\n expect(root).not.toMatchRenderedOutput('AB');\n \n@@ -339,21 +342,12 @@ describe('ReactLazy', () => {\n \/\/ we can unwrap the result synchronously if it already loaded. Like `use`.\n await waitFor([\n 'A',\n-\n- \/\/ When enableSiblingPrerendering is on, LazyChildB was already\n- \/\/ initialized. So it also already resolved when we called\n- \/\/ resolveFakeImport above. So it doesn't suspend again.\n- ...(gate('enableSiblingPrerendering')\n- ? ['B']\n- : ['Suspend! [LazyChildB]']),\n+ \/\/ pre-warming: LazyChildB was already initialized. So it also already resolved\n+ \/\/ when we called resolveFakeImport above. So it doesn't suspend again.\n+ 'B',\n ]);\n });\n- assertLog([\n- ...(gate('enableSiblingPrerendering') ? [] : ['A', 'B']),\n-\n- 'Did mount: A',\n- 'Did mount: B',\n- ]);\n+ assertLog(['Did mount: A', 'Did mount: B']);\n expect(root).toMatchRenderedOutput('AB');\n \n \/\/ Swap the position of A and B\n@@ -1612,7 +1606,11 @@ describe('ReactLazy', () => {\n expect(ref.current).toBe(null);\n \n await act(() => resolveFakeImport(Foo));\n- assertLog(['Foo', ...(gate('enableSiblingPrerendering') ? ['Foo'] : [])]);\n+ assertLog([\n+ 'Foo',\n+ \/\/ pre-warming\n+ 'Foo',\n+ ]);\n \n await act(() => resolveFakeImport(ForwardRefBar));\n assertLog(['Foo', 'forwardRef', 'Bar']);\n@@ -1910,17 +1908,16 @@ describe('ReactLazy', () => {\n await waitForAll([\n 'Init A',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Init B'] : []),\n+ \/\/ pre-warming\n+ 'Init B',\n ]);\n expect(root).not.toMatchRenderedOutput('AB');\n \n await act(() => resolveFakeImport(ChildA));\n assertLog([\n 'A',\n-\n- \/\/ When enableSiblingPrerendering is on, B was already initialized.\n- ...(gate('enableSiblingPrerendering') ? ['A'] : ['Init B']),\n+ \/\/ pre-warming\n+ 'A',\n ]);\n \n await act(() => resolveFakeImport(ChildB));\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSiblingPrerendering-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSiblingPrerendering-test.js\nindex ceb3216097..4252fef65f 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSiblingPrerendering-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSiblingPrerendering-test.js\n@@ -171,7 +171,7 @@ describe('ReactSiblingPrerendering', () => {\n \/\/ After B suspends, we're still able to prerender C without starting\n \/\/ over because there's no fallback, so the root is blocked from\n \/\/ committing anyway.\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n+ 'Suspend! [C]',\n ]);\n });\n \n@@ -207,12 +207,10 @@ describe('ReactSiblingPrerendering', () => {\n \/\/ The second render is a prerender of the hidden content.\n await waitForPaint([\n 'Suspend! [B]',\n-\n \/\/ If B and C were visible, C would not have been attempted\n \/\/ during this pass, because it would prevented the fallback\n \/\/ from showing.\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n-\n+ 'Suspend! [C]',\n 'Loading...',\n ]);\n expect(root).toMatchRenderedOutput('A');\n@@ -240,13 +238,11 @@ describe('ReactSiblingPrerendering', () => {\n \n \/\/ Immediately after the fallback commits, retry the boundary again. This\n \/\/ time we include B, since we're not blocking the fallback from showing.\n- if (gate('enableSiblingPrerendering')) {\n- if (gate(flags => flags.enableYieldingBeforePassive)) {\n- \/\/ Passive effects.\n- await waitForPaint([]);\n- }\n- await waitForPaint(['Suspend! [A]', 'Suspend! [B]']);\n+ if (gate(flags => flags.enableYieldingBeforePassive)) {\n+ \/\/ Passive effects.\n+ await waitForPaint([]);\n }\n+ await waitForPaint(['Suspend! [A]', 'Suspend! [B]']);\n });\n expect(root).toMatchRenderedOutput('Loading...');\n });\n@@ -282,11 +278,7 @@ describe('ReactSiblingPrerendering', () => {\n \n \/\/ Now that the fallback is visible, we can prerender the siblings. Start\n \/\/ prerendering, then yield to simulate an interleaved event.\n- if (gate('enableSiblingPrerendering')) {\n- await waitFor(['A']);\n- } else {\n- await waitForAll([]);\n- }\n+ await waitFor(['A']);\n \n \/\/ To avoid the Suspense throttling mechanism, let's pretend there's been\n \/\/ more than a Just Noticeable Difference since we rendered the\n@@ -298,10 +290,6 @@ describe('ReactSiblingPrerendering', () => {\n \/\/ shouldn't unwind and lose our work-in-progress.\n await resolveText('B');\n await waitForPaint([\n- \/\/ When sibling prerendering is not enabled, we weren't already rendering\n- \/\/ when the data for B came in, so A doesn't get rendered until now.\n- ...(gate('enableSiblingPrerendering') ? [] : ['A']),\n-\n 'B',\n 'Suspend! [C]',\n \n@@ -321,23 +309,19 @@ describe('ReactSiblingPrerendering', () => {\n \n \/\/ Now that the inner fallback is showing, we can prerender the rest of\n \/\/ the tree.\n- assertLog(\n- gate('enableSiblingPrerendering')\n- ? [\n- \/\/ NOTE: C renders twice instead of once because when B resolved, it\n- \/\/ was treated like a retry update, not just a ping. So first it\n- \/\/ regular renders, then it prerenders. TODO: We should be able to\n- \/\/ optimize this by detecting inside the retry listener that the\n- \/\/ outer boundary is no longer suspended, and therefore doesn't need\n- \/\/ to be updated.\n- 'Suspend! [C]',\n-\n- \/\/ Now we're in prerender mode, so D is incuded in this attempt.\n- 'Suspend! [C]',\n- 'Suspend! [D]',\n- ]\n- : [],\n- );\n+ assertLog([\n+ \/\/ NOTE: C renders twice instead of once because when B resolved, it\n+ \/\/ was treated like a retry update, not just a ping. So first it\n+ \/\/ regular renders, then it prerenders. TODO: We should be able to\n+ \/\/ optimize this by detecting inside the retry listener that the\n+ \/\/ outer boundary is no longer suspended, and therefore doesn't need\n+ \/\/ to be updated.\n+ 'Suspend! [C]',\n+\n+ \/\/ Now we're in prerender mode, so D is incuded in this attempt.\n+ 'Suspend! [C]',\n+ 'Suspend! [D]',\n+ ]);\n expect(root).toMatchRenderedOutput(\n

AB<\/div>\n@@ -402,9 +386,7 @@ describe('ReactSiblingPrerendering', () => {\n );\n });\n \/\/ Once the inner fallback is committed, we can start prerendering C.\n- assertLog(\n- gate('enableSiblingPrerendering') ? ['Suspend! [B]', 'Suspend! [C]'] : [],\n- );\n+ assertLog(['Suspend! [B]', 'Suspend! [C]']);\n });\n \n it(\n@@ -488,9 +470,7 @@ describe('ReactSiblingPrerendering', () => {\n await waitForPaint([]);\n }\n \/\/ Now we can proceed to prerendering C.\n- if (gate('enableSiblingPrerendering')) {\n- await waitForPaint(['Suspend! [B]', 'Suspend! [C]']);\n- }\n+ await waitForPaint(['Suspend! [B]', 'Suspend! [C]']);\n });\n assertLog([]);\n },\n@@ -519,12 +499,10 @@ describe('ReactSiblingPrerendering', () => {\n \/\/ Synchronously render everything until we suspend in the shell\n assertLog(['A', 'B', 'Suspend! [Async]']);\n \n- if (gate('enableSiblingPrerendering')) {\n- \/\/ The rest of the siblings begin to prerender concurrently. Notice\n- \/\/ that we don't unwind here; we pick up where we left off above.\n- await waitFor(['C']);\n- await waitFor(['D']);\n- }\n+ \/\/ The rest of the siblings begin to prerender concurrently. Notice\n+ \/\/ that we don't unwind here; we pick up where we left off above.\n+ await waitFor(['C']);\n+ await waitFor(['D']);\n \n assertLog([]);\n expect(root).toMatchRenderedOutput(null);\n@@ -555,10 +533,8 @@ describe('ReactSiblingPrerendering', () => {\n \/\/ Synchronously render everything until we suspend in the shell\n assertLog(['A', 'B', 'Suspend! [Async]']);\n \n- if (gate('enableSiblingPrerendering')) {\n- \/\/ The rest of the siblings begin to prerender concurrently\n- await waitFor(['C']);\n- }\n+ \/\/ The rest of the siblings begin to prerender concurrently\n+ await waitFor(['C']);\n \n \/\/ While we're prerendering, Async resolves. We should unwind and\n \/\/ start over, rather than continue prerendering D.\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspense-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspense-test.internal.js\nindex d7ad652f1d..8657365b06 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspense-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspense-test.internal.js\n@@ -135,9 +135,9 @@ describe('ReactSuspense', () => {\n 'Bar',\n \/\/ A suspends\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['B'] : []),\n-\n+ \/\/ pre-warming\n+ 'B',\n+ \/\/ end pre-warming\n 'Loading...',\n ]);\n expect(container.textContent).toEqual('');\n@@ -169,10 +169,9 @@ describe('ReactSuspense', () => {\n 'Loading A...',\n 'Suspend! [B]',\n 'Loading B...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n ]);\n expect(container.innerHTML).toEqual('Loading A...Loading B...');\n \n@@ -181,8 +180,7 @@ describe('ReactSuspense', () => {\n await act(() => resolveText('A'));\n assertLog([\n 'A',\n-\n- ...(gate('enableSiblingPrerendering')\n+ ...(gate('alwaysThrottleRetries')\n ? ['Suspend! [B]', 'Suspend! [B]']\n : []),\n ]);\n@@ -288,10 +286,10 @@ describe('ReactSuspense', () => {\n 'Foo',\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]', 'Loading more...']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n+ 'Loading more...',\n ]);\n expect(container.textContent).toEqual('Loading...');\n \n@@ -341,10 +339,10 @@ describe('ReactSuspense', () => {\n 'Foo',\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]', 'Loading more...']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n+ 'Loading more...',\n ]);\n expect(container.textContent).toEqual('Loading...');\n \n@@ -390,10 +388,10 @@ describe('ReactSuspense', () => {\n 'Foo',\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]', 'Loading more...']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n+ 'Loading more...',\n ]);\n expect(container.textContent).toEqual('Loading...');\n \n@@ -482,8 +480,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [default]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [default]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [default]',\n ]);\n \n await act(() => resolveText('default'));\n@@ -494,8 +492,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [new value]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [new value]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [new value]',\n ]);\n \n await act(() => resolveText('new value'));\n@@ -539,8 +537,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [default]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [default]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [default]',\n ]);\n \n await act(() => resolveText('default'));\n@@ -551,8 +549,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [new value]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [new value]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [new value]',\n ]);\n \n await act(() => resolveText('new value'));\n@@ -593,8 +591,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [default]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [default]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [default]',\n ]);\n \n await act(() => resolveText('default'));\n@@ -605,8 +603,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [new value]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [new value]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [new value]',\n ]);\n \n await act(() => resolveText('new value'));\n@@ -647,8 +645,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [default]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [default]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [default]',\n ]);\n \n await act(() => resolveText('default'));\n@@ -659,8 +657,8 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [new value]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [new value]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [new value]',\n ]);\n \n await act(() => resolveText('new value'));\n@@ -708,10 +706,9 @@ describe('ReactSuspense', () => {\n 'Suspend! [Child 2]',\n 'Loading...',\n 'destroy layout',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Child 1', 'Suspend! [Child 2]']\n- : []),\n+ \/\/ pre-warming\n+ 'Child 1',\n+ 'Suspend! [Child 2]',\n ]);\n \n await act(() => resolveText('Child 2'));\n@@ -737,13 +734,18 @@ describe('ReactSuspense', () => {\n assertLog([\n 'Suspend! [Child 1]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Child 1]', 'Suspend! [Child 2]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Child 1]',\n+ 'Suspend! [Child 2]',\n ]);\n await resolveText('Child 1');\n- await waitForAll(['Child 1', 'Suspend! [Child 2]']);\n+ await waitForAll([\n+ 'Child 1',\n+ 'Suspend! [Child 2]',\n+ ...(gate('alwaysThrottleRetries')\n+ ? []\n+ : ['Child 1', 'Suspend! [Child 2]']),\n+ ]);\n \n jest.advanceTimersByTime(6000);\n \ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseCallback-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseCallback-test.js\nindex 921c9666a9..866e87bd6c 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseCallback-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseCallback-test.js\n@@ -60,9 +60,17 @@ describe('ReactSuspense', () => {\n \n ReactNoop.render(elementBadType);\n await waitForAll([]);\n- assertConsoleErrorDev(['Unexpected type for suspenseCallback.'], {\n- withoutStack: true,\n- });\n+ assertConsoleErrorDev(\n+ [\n+ 'Unexpected type for suspenseCallback.',\n+ ...(gate('alwaysThrottleRetries')\n+ ? []\n+ : ['Unexpected type for suspenseCallback.']),\n+ ],\n+ {\n+ withoutStack: true,\n+ },\n+ );\n \n const elementMissingCallback = (\n \n@@ -93,7 +101,10 @@ describe('ReactSuspense', () => {\n ReactNoop.render(element);\n await waitForAll([]);\n expect(ReactNoop).toMatchRenderedOutput('Waiting');\n- expect(ops).toEqual([new Set([promise])]);\n+ expect(ops).toEqual([\n+ new Set([promise]),\n+ ...(gate('alwaysThrottleRetries') ? [] : new Set([promise])),\n+ ]);\n ops = [];\n \n await act(() => resolve());\n@@ -132,7 +143,10 @@ describe('ReactSuspense', () => {\n ReactNoop.render(element);\n await waitForAll([]);\n expect(ReactNoop).toMatchRenderedOutput('Waiting Tier 1');\n- expect(ops).toEqual([new Set([promise1])]);\n+ expect(ops).toEqual([\n+ new Set([promise1]),\n+ ...(gate('alwaysThrottleRetries') ? [] : new Set([promise1, promise2])),\n+ ]);\n ops = [];\n \n await act(() => resolve1());\n@@ -141,8 +155,8 @@ describe('ReactSuspense', () => {\n expect(ReactNoop).toMatchRenderedOutput('Waiting Tier 1');\n expect(ops).toEqual([\n new Set([promise2]),\n-\n- ...(gate('enableSiblingPrerendering') ? new Set([promise2]) : []),\n+ \/\/ pre-warming\n+ new Set([promise2]),\n ]);\n ops = [];\n \n@@ -182,7 +196,10 @@ describe('ReactSuspense', () => {\n await waitForAll([]);\n expect(ReactNoop).toMatchRenderedOutput('Waiting Tier 2');\n expect(ops1).toEqual([]);\n- expect(ops2).toEqual([new Set([promise])]);\n+ expect(ops2).toEqual([\n+ new Set([promise]),\n+ ...(gate('alwaysThrottleRetries') ? [] : [new Set([promise])]),\n+ ]);\n });\n \n \/\/ @gate enableSuspenseCallback\n@@ -231,11 +248,7 @@ describe('ReactSuspense', () => {\n await act(() => resolve1());\n expect(ReactNoop).toMatchRenderedOutput('Waiting Tier 2Done');\n expect(ops1).toEqual([]);\n- expect(ops2).toEqual([\n- new Set([promise2]),\n-\n- ...(gate('enableSiblingPrerendering') ? new Set([promise2]) : []),\n- ]);\n+ expect(ops2).toEqual([new Set([promise2]), new Set([promise2])]);\n ops1 = [];\n ops2 = [];\n \ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseEffectsSemantics-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseEffectsSemantics-test.js\nindex d45b29aee5..9fc94d7d0e 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseEffectsSemantics-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseEffectsSemantics-test.js\n@@ -283,14 +283,10 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create passive',\n 'Text:Outside create passive',\n 'App create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Inside:Before render',\n- 'Suspend:Async',\n- 'ClassText:Inside:After render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inside:Before render',\n+ 'Suspend:Async',\n+ 'ClassText:Inside:After render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -687,14 +683,10 @@ describe('ReactSuspenseEffectsSemantics', () => {\n ]);\n await waitForAll([\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Inside:Before render',\n- 'Suspend:Async',\n- 'Text:Inside:After render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inside:Before render',\n+ 'Suspend:Async',\n+ 'Text:Inside:After render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -850,13 +842,12 @@ describe('ReactSuspenseEffectsSemantics', () => {\n <\/>,\n );\n });\n- if (gate('enableSiblingPrerendering')) {\n- assertLog([\n- 'ClassText:Inside:Before render',\n- 'Suspend:Async',\n- 'ClassText:Inside:After render',\n- ]);\n- }\n+ \/\/ pre-warming\n+ assertLog([\n+ 'ClassText:Inside:Before render',\n+ 'Suspend:Async',\n+ 'ClassText:Inside:After render',\n+ ]);\n \n \/\/ Resolving the suspended resource should re-create inner layout effects.\n await act(async () => {\n@@ -961,10 +952,10 @@ describe('ReactSuspenseEffectsSemantics', () => {\n ]);\n await waitForAll([\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend:Async', 'Text:Outer render', 'Text:Inner render']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'Text:Outer render',\n+ 'Text:Inner render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1088,10 +1079,9 @@ describe('ReactSuspenseEffectsSemantics', () => {\n ]);\n await waitForAll([\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend:Async', 'Text:Outer render']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'Text:Outer render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1195,10 +1185,9 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:InnerFallback create insertion',\n 'Text:InnerFallback create layout',\n 'Text:InnerFallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Text:Inner render', 'Suspend:InnerAsync_1']\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inner render',\n+ 'Suspend:InnerAsync_1',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1228,16 +1217,12 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:OuterFallback create insertion',\n 'Text:OuterFallback create layout',\n 'Text:OuterFallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Outer render',\n- 'Suspend:OuterAsync_1',\n- 'Text:Inner render',\n- 'Suspend:InnerAsync_1',\n- 'Text:InnerFallback render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Outer render',\n+ 'Suspend:OuterAsync_1',\n+ 'Text:Inner render',\n+ 'Suspend:InnerAsync_1',\n+ 'Text:InnerFallback render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1255,15 +1240,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n assertLog([\n 'Text:Outer render',\n 'Suspend:OuterAsync_1',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Outer render',\n- 'Suspend:OuterAsync_1',\n- 'Text:Inner render',\n- 'AsyncText:InnerAsync_1 render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Outer render',\n+ 'Suspend:OuterAsync_1',\n+ 'Text:Inner render',\n+ 'AsyncText:InnerAsync_1 render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1288,16 +1269,12 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Outer render',\n 'Suspend:OuterAsync_1',\n 'Text:OuterFallback render',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Outer render',\n- 'Suspend:OuterAsync_1',\n- 'Text:Inner render',\n- 'Suspend:InnerAsync_2',\n- 'Text:InnerFallback render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Outer render',\n+ 'Suspend:OuterAsync_1',\n+ 'Text:Inner render',\n+ 'Suspend:InnerAsync_2',\n+ 'Text:InnerFallback render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1325,10 +1302,9 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:InnerFallback create layout',\n 'Text:OuterFallback destroy passive',\n 'AsyncText:OuterAsync_1 create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Text:Inner render', 'Suspend:InnerAsync_2']\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inner render',\n+ 'Suspend:InnerAsync_2',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1382,15 +1358,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:OuterFallback create insertion',\n 'Text:OuterFallback create layout',\n 'Text:OuterFallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Outer render',\n- 'Suspend:OuterAsync_2',\n- 'Text:Inner render',\n- 'AsyncText:InnerAsync_2 render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Outer render',\n+ 'Suspend:OuterAsync_2',\n+ 'Text:Inner render',\n+ 'AsyncText:InnerAsync_2 render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1480,10 +1452,9 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:InnerFallback create insertion',\n 'Text:InnerFallback create layout',\n 'Text:InnerFallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Text:Inner render', 'Suspend:InnerAsync_1']\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inner render',\n+ 'Suspend:InnerAsync_1',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1512,16 +1483,12 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:OuterFallback create insertion',\n 'Text:OuterFallback create layout',\n 'Text:OuterFallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Outer render',\n- 'Suspend:OuterAsync_1',\n- 'Text:Inner render',\n- 'Suspend:InnerAsync_1',\n- 'Text:InnerFallback render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Outer render',\n+ 'Suspend:OuterAsync_1',\n+ 'Text:Inner render',\n+ 'Suspend:InnerAsync_1',\n+ 'Text:InnerFallback render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1630,10 +1597,9 @@ describe('ReactSuspenseEffectsSemantics', () => {\n await waitForAll([\n 'Text:Fallback:Inside create passive',\n 'Text:Fallback:Outside create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Text:Inside render', 'Suspend:OutsideAsync']\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inside render',\n+ 'Suspend:OutsideAsync',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1667,15 +1633,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n ]);\n await waitForAll([\n 'Text:Fallback:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Inside render',\n- 'Suspend:OutsideAsync',\n- 'Text:Fallback:Inside render',\n- 'Suspend:FallbackAsync',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inside render',\n+ 'Suspend:OutsideAsync',\n+ 'Text:Fallback:Inside render',\n+ 'Suspend:FallbackAsync',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1787,15 +1749,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback:Outside create layout',\n 'Text:Fallback:Fallback create passive',\n 'Text:Fallback:Outside create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Inside render',\n- 'Suspend:OutsideAsync',\n- 'Text:Fallback:Inside render',\n- 'Suspend:FallbackAsync',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Inside render',\n+ 'Suspend:OutsideAsync',\n+ 'Text:Fallback:Inside render',\n+ 'Suspend:FallbackAsync',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -1915,8 +1873,8 @@ describe('ReactSuspenseEffectsSemantics', () => {\n ]);\n await waitForAll([\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend:Suspend'] : []),\n+ \/\/ pre-warming\n+ 'Suspend:Suspend',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2038,10 +1996,10 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend:Async', 'ThrowsInDidMount render', 'Text:Inside render']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'ThrowsInDidMount render',\n+ 'Text:Inside render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2301,14 +2259,10 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend:Async',\n- 'ThrowsInLayoutEffect render',\n- 'Text:Inside render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'ThrowsInLayoutEffect render',\n+ 'Text:Inside render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2555,14 +2509,13 @@ describe('ReactSuspenseEffectsSemantics', () => {\n );\n });\n \n- if (gate('enableSiblingPrerendering')) {\n- assertLog([\n- 'Text:Function render',\n- 'Suspend:Async_1',\n- 'Suspend:Async_2',\n- 'ClassText:Class render',\n- ]);\n- }\n+ \/\/ pre-warming\n+ assertLog([\n+ 'Text:Function render',\n+ 'Suspend:Async_1',\n+ 'Suspend:Async_2',\n+ 'ClassText:Class render',\n+ ]);\n \n \/\/ Resolving the suspended resource should re-create inner layout effects.\n await act(async () => {\n@@ -2572,15 +2525,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Function render',\n 'AsyncText:Async_1 render',\n 'Suspend:Async_2',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Function render',\n- 'AsyncText:Async_1 render',\n- 'Suspend:Async_2',\n- 'ClassText:Class render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Function render',\n+ 'AsyncText:Async_1 render',\n+ 'Suspend:Async_2',\n+ 'ClassText:Class render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2715,14 +2664,14 @@ describe('ReactSuspenseEffectsSemantics', () => {\n <\/>,\n );\n });\n- if (gate('enableSiblingPrerendering')) {\n- assertLog([\n- 'Text:Function render',\n- 'Suspender \"A\" render',\n- 'Suspend:A',\n- 'ClassText:Class render',\n- ]);\n- }\n+\n+ \/\/ pre-warming\n+ assertLog([\n+ 'Text:Function render',\n+ 'Suspender \"A\" render',\n+ 'Suspend:A',\n+ 'ClassText:Class render',\n+ ]);\n \n \/\/ Resolving the suspended resource should re-create inner layout effects.\n textToRead = 'B';\n@@ -2733,15 +2682,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Function render',\n 'Suspender \"B\" render',\n 'Suspend:B',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Text:Function render',\n- 'Suspender \"B\" render',\n- 'Suspend:B',\n- 'ClassText:Class render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Text:Function render',\n+ 'Suspender \"B\" render',\n+ 'Suspend:B',\n+ 'ClassText:Class render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2977,15 +2922,11 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend:Async',\n- 'RefCheckerOuter render',\n- 'RefCheckerInner:refObject render',\n- 'RefCheckerInner:refCallback render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'RefCheckerOuter render',\n+ 'RefCheckerInner:refObject render',\n+ 'RefCheckerInner:refCallback render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -3089,17 +3030,13 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend:Async',\n- 'RefCheckerOuter render',\n- 'ClassComponent:refObject render',\n- 'RefCheckerInner:refObject render',\n- 'ClassComponent:refCallback render',\n- 'RefCheckerInner:refCallback render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'RefCheckerOuter render',\n+ 'ClassComponent:refObject render',\n+ 'RefCheckerInner:refObject render',\n+ 'ClassComponent:refCallback render',\n+ 'RefCheckerInner:refCallback render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -3199,17 +3136,13 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend:Async',\n- 'RefCheckerOuter render',\n- 'FunctionComponent render',\n- 'RefCheckerInner:refObject render',\n- 'FunctionComponent render',\n- 'RefCheckerInner:refCallback render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'RefCheckerOuter render',\n+ 'FunctionComponent render',\n+ 'RefCheckerInner:refObject render',\n+ 'FunctionComponent render',\n+ 'RefCheckerInner:refCallback render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -3311,10 +3244,9 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend:Async', 'RefChecker render']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'RefChecker render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -3433,14 +3365,10 @@ describe('ReactSuspenseEffectsSemantics', () => {\n 'Text:Fallback create insertion',\n 'Text:Fallback create layout',\n 'Text:Fallback create passive',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend:Async',\n- 'ThrowsInRefCallback render',\n- 'Text:Inside render',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend:Async',\n+ 'ThrowsInRefCallback render',\n+ 'Text:Inside render',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseFallback-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseFallback-test.js\nindex 2a6664c0dc..836ed7aac8 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseFallback-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseFallback-test.js\n@@ -142,8 +142,8 @@ describe('ReactSuspenseFallback', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n });\n@@ -159,8 +159,8 @@ describe('ReactSuspenseFallback', () => {\n await waitForAll([\n 'Suspend! [A]',\n \/\/ null\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(null);\n });\n@@ -176,8 +176,8 @@ describe('ReactSuspenseFallback', () => {\n await waitForAll([\n 'Suspend! [A]',\n \/\/ null\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(null);\n });\n@@ -195,8 +195,8 @@ describe('ReactSuspenseFallback', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n });\n@@ -214,8 +214,8 @@ describe('ReactSuspenseFallback', () => {\n await waitForAll([\n 'Suspend! [A]',\n \/\/ null\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(null);\n });\n@@ -233,8 +233,8 @@ describe('ReactSuspenseFallback', () => {\n await waitForAll([\n 'Suspend! [A]',\n \/\/ null\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(null);\n });\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseList-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseList-test.js\nindex 7cfe72dfc4..6faeae3acb 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseList-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseList-test.js\n@@ -245,9 +245,9 @@ describe('ReactSuspenseList', () => {\n 'Loading B',\n 'Suspend! [C]',\n 'Loading C',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [B]', 'Suspend! [C]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n+ 'Suspend! [C]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(\n@@ -260,7 +260,7 @@ describe('ReactSuspenseList', () => {\n \n await act(() => C.resolve());\n assertLog(\n- gate('enableSiblingPrerendering')\n+ gate('alwaysThrottleRetries')\n ? ['Suspend! [B]', 'C', 'Suspend! [B]']\n : ['C'],\n );\n@@ -746,7 +746,8 @@ describe('ReactSuspenseList', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(Loading<\/span>);\n@@ -919,8 +920,8 @@ describe('ReactSuspenseList', () => {\n 'Loading A',\n 'Loading B',\n 'Loading C',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(\n@@ -932,12 +933,7 @@ describe('ReactSuspenseList', () => {\n );\n \n await act(() => A.resolve());\n- assertLog([\n- 'A',\n- 'Suspend! [B]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n- ]);\n+ assertLog(['A', 'Suspend! [B]', 'Suspend! [B]']);\n \n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -990,8 +986,8 @@ describe('ReactSuspenseList', () => {\n 'Loading C',\n 'Loading B',\n 'Loading A',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [C]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(\n@@ -1006,8 +1002,8 @@ describe('ReactSuspenseList', () => {\n assertLog([\n 'C',\n 'Suspend! [B]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(\n@@ -1133,8 +1129,8 @@ describe('ReactSuspenseList', () => {\n 'A',\n 'C',\n 'Suspend! [E]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [E]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [E]',\n ]);\n \n \/\/ We can now resolve the full head.\n@@ -1153,8 +1149,8 @@ describe('ReactSuspenseList', () => {\n assertLog([\n 'E',\n 'Suspend! [F]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [F]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [F]',\n ]);\n \n \/\/ In the tail we can resolve one-by-one.\n@@ -1296,10 +1292,9 @@ describe('ReactSuspenseList', () => {\n 'E',\n 'Suspend! [F]',\n 'Loading F',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [D]', 'Suspend! [F]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [D]',\n+ 'Suspend! [F]',\n ]);\n \n \/\/ This will suspend, since the boundaries are avoided. Give them\n@@ -1347,8 +1342,8 @@ describe('ReactSuspenseList', () => {\n 'D',\n 'F',\n 'Suspend! [B]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \n \/\/ We can now resolve the full head.\n@@ -1369,8 +1364,8 @@ describe('ReactSuspenseList', () => {\n assertLog([\n 'B',\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \n \/\/ In the tail we can resolve one-by-one.\n@@ -1493,8 +1488,8 @@ describe('ReactSuspenseList', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading A',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(Loading A<\/span>);\n@@ -2007,8 +2002,8 @@ describe('ReactSuspenseList', () => {\n 'Suspend! [D]',\n 'Loading D',\n 'Loading E',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \n \/\/ This is suspended due to the update to D causing a loading state.\n@@ -2030,7 +2025,11 @@ describe('ReactSuspenseList', () => {\n \n await B.resolve();\n \n- await waitForAll(['B', 'Suspend! [C]']);\n+ await waitForAll([\n+ 'B',\n+ 'Suspend! [C]',\n+ ...(!gate('alwaysThrottleRetries') ? ['Suspend! [C]'] : []),\n+ ]);\n \n \/\/ Incremental loading is suspended.\n jest.advanceTimersByTime(500);\n@@ -2425,8 +2424,8 @@ describe('ReactSuspenseList', () => {\n 'A',\n 'Suspend! [B]',\n 'Loading B',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(\n@@ -2511,8 +2510,8 @@ describe('ReactSuspenseList', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading A',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(Loading A<\/span>);\n });\n@@ -2795,8 +2794,8 @@ describe('ReactSuspenseList', () => {\n 'B',\n 'Suspend! [C]',\n 'Fallback',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [C]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2805,7 +2804,9 @@ describe('ReactSuspenseList', () => {\n Loading...<\/span>\n <\/>,\n );\n- expect(onRender).toHaveBeenCalledTimes(1);\n+ expect(onRender).toHaveBeenCalledTimes(\n+ gate('alwaysThrottleRetries') ? 1 : 2,\n+ );\n \n \/\/ The treeBaseDuration should be the time to render each child. The last\n \/\/ one counts the fallback time.\n@@ -2828,12 +2829,18 @@ describe('ReactSuspenseList', () => {\n C<\/span>\n <\/>,\n );\n- expect(onRender).toHaveBeenCalledTimes(2);\n+ expect(onRender).toHaveBeenCalledTimes(\n+ gate('alwaysThrottleRetries') ? 2 : 3,\n+ );\n \n \/\/ actualDuration\n- expect(onRender.mock.calls[1][2]).toBe(1 + 4 + 5);\n+ expect(onRender.mock.calls[1][2]).toBe(\n+ gate('alwaysThrottleRetries') ? 1 + 4 + 5 : 5,\n+ );\n \/\/ treeBaseDuration\n- expect(onRender.mock.calls[1][3]).toBe(1 + 4 + 5);\n+ expect(onRender.mock.calls[1][3]).toBe(\n+ gate('alwaysThrottleRetries') ? 1 + 4 + 5 : 8,\n+ );\n \n ReactNoop.render();\n \n@@ -2850,8 +2857,8 @@ describe('ReactSuspenseList', () => {\n 'Fallback',\n \/\/ Lastly we render the tail.\n 'Fallback',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [C]',\n ]);\n \n \/\/ Flush suspended time.\n@@ -2867,7 +2874,7 @@ describe('ReactSuspenseList', () => {\n <\/>,\n );\n expect(onRender).toHaveBeenCalledTimes(\n- gate('enableSiblingPrerendering') ? 4 : 3,\n+ gate('alwaysThrottleRetries') ? 4 : 5,\n );\n \n \/\/ The treeBaseDuration should be the time to render the first two\n@@ -2877,16 +2884,20 @@ describe('ReactSuspenseList', () => {\n \/\/ with force fallback mode.\n \n \/\/ actualDuration\n- expect(onRender.mock.calls[2][2]).toBe((1 + 4 + 5 + 3) * 2 + 3);\n+ expect(onRender.mock.calls[2][2]).toBe(\n+ gate('alwaysThrottleRetries') ? (1 + 4 + 5 + 3) * 2 + 3 : 10,\n+ );\n \/\/ treeBaseDuration\n- expect(onRender.mock.calls[2][3]).toBe(1 + 4 + 3 + 3);\n+ expect(onRender.mock.calls[2][3]).toBe(\n+ gate('alwaysThrottleRetries') ? 1 + 4 + 3 + 3 : 10,\n+ );\n \n await act(() => C.resolve());\n assertLog([\n 'C',\n 'Suspend! [D]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [D]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [D]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2897,21 +2908,16 @@ describe('ReactSuspenseList', () => {\n <\/>,\n );\n \n- if (gate('enableSiblingPrerendering')) {\n- expect(onRender).toHaveBeenCalledTimes(6);\n-\n- \/\/ actualDuration\n- expect(onRender.mock.calls[5][2]).toBe(12);\n- \/\/ treeBaseDuration\n- expect(onRender.mock.calls[5][3]).toBe(1 + 4 + 5 + 3);\n- } else {\n- expect(onRender).toHaveBeenCalledTimes(4);\n+ expect(onRender).toHaveBeenCalledTimes(\n+ gate('alwaysThrottleRetries') ? 6 : 7,\n+ );\n \n- \/\/ actualDuration\n- expect(onRender.mock.calls[3][2]).toBe(5 + 12);\n- \/\/ treeBaseDuration\n- expect(onRender.mock.calls[3][3]).toBe(1 + 4 + 5 + 3);\n- }\n+ \/\/ actualDuration\n+ expect(onRender.mock.calls[5][2]).toBe(\n+ gate('alwaysThrottleRetries') ? 12 : 17,\n+ );\n+ \/\/ treeBaseDuration\n+ expect(onRender.mock.calls[5][3]).toBe(1 + 4 + 5 + 3);\n });\n \n \/\/ @gate enableSuspenseList\n@@ -2977,8 +2983,8 @@ describe('ReactSuspenseList', () => {\n 'Loading A',\n 'Loading B',\n 'Loading C',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(\n@@ -2990,12 +2996,7 @@ describe('ReactSuspenseList', () => {\n );\n \n await act(() => A.resolve());\n- assertLog([\n- 'A',\n- 'Suspend! [B]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n- ]);\n+ assertLog(['A', 'Suspend! [B]', 'Suspend! [B]']);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n A<\/span>\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspensePlaceholder-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspensePlaceholder-test.internal.js\nindex c24169c43f..196022d8a3 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspensePlaceholder-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspensePlaceholder-test.internal.js\n@@ -139,8 +139,10 @@ describe('ReactSuspensePlaceholder', () => {\n 'A',\n 'Suspend! [B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [B]', 'C'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [B]',\n+ 'C',\n ]);\n expect(ReactNoop).toMatchRenderedOutput('Loading...');\n \n@@ -160,8 +162,9 @@ describe('ReactSuspensePlaceholder', () => {\n await waitForAll([\n 'Suspend! [B2]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B2]', 'C'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B2]',\n+ 'C',\n ]);\n \n \/\/ Time out the update\n@@ -209,8 +212,10 @@ describe('ReactSuspensePlaceholder', () => {\n 'A',\n 'Suspend! [B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [B]', 'C'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [B]',\n+ 'C',\n ]);\n \n expect(ReactNoop).not.toMatchRenderedOutput('ABC');\n@@ -225,8 +230,10 @@ describe('ReactSuspensePlaceholder', () => {\n 'A',\n 'Suspend! [B2]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [B2]', 'C'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [B2]',\n+ 'C',\n ]);\n \/\/ Time out the update\n jest.advanceTimersByTime(750);\n@@ -264,8 +271,10 @@ describe('ReactSuspensePlaceholder', () => {\n 'a',\n 'Suspend! [b]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['a', 'Suspend! [b]', 'c'] : []),\n+ \/\/ pre-warming\n+ 'a',\n+ 'Suspend! [b]',\n+ 'c',\n ]);\n \n expect(ReactNoop).toMatchRenderedOutput(LOADING...<\/uppercase>);\n@@ -280,8 +289,9 @@ describe('ReactSuspensePlaceholder', () => {\n 'a',\n 'Suspend! [b2]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['a', 'Suspend! [b2]', 'c'] : []),\n+ 'a',\n+ 'Suspend! [b2]',\n+ 'c',\n ]);\n \/\/ Time out the update\n jest.advanceTimersByTime(750);\n@@ -375,15 +385,17 @@ describe('ReactSuspensePlaceholder', () => {\n 'Suspending',\n 'Suspend! [Loaded]',\n 'Fallback',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspending', 'Suspend! [Loaded]', 'Text']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspending',\n+ 'Suspend! [Loaded]',\n+ 'Text',\n ]);\n \/\/ Since this is initial render we immediately commit the fallback. Another test below\n \/\/ deals with the update case where this suspends.\n expect(ReactNoop).toMatchRenderedOutput('Loading...');\n- expect(onRender).toHaveBeenCalledTimes(1);\n+ expect(onRender).toHaveBeenCalledTimes(\n+ gate('alwaysThrottleRetries') ? 1 : 2,\n+ );\n \n \/\/ Initial mount only shows the \"Loading...\" Fallback.\n \/\/ The treeBaseDuration then should be 10ms spent rendering Fallback,\n@@ -401,21 +413,12 @@ describe('ReactSuspensePlaceholder', () => {\n ]);\n expect(ReactNoop).toMatchRenderedOutput('LoadedText');\n \n- if (gate('enableSiblingPrerendering')) {\n- expect(onRender).toHaveBeenCalledTimes(3);\n-\n- \/\/ When the suspending data is resolved and our final UI is rendered,\n- \/\/ both times should include the 8ms re-rendering Suspending and AsyncText.\n- expect(onRender.mock.calls[2][2]).toBe(8);\n- expect(onRender.mock.calls[2][3]).toBe(8);\n- } else {\n- expect(onRender).toHaveBeenCalledTimes(2);\n-\n- \/\/ When the suspending data is resolved and our final UI is rendered,\n- \/\/ both times should include the 8ms re-rendering Suspending and AsyncText.\n- expect(onRender.mock.calls[1][2]).toBe(8);\n- expect(onRender.mock.calls[1][3]).toBe(8);\n- }\n+ expect(onRender).toHaveBeenCalledTimes(3);\n+\n+ \/\/ When the suspending data is resolved and our final UI is rendered,\n+ \/\/ both times should include the 8ms re-rendering Suspending and AsyncText.\n+ expect(onRender.mock.calls[2][2]).toBe(8);\n+ expect(onRender.mock.calls[2][3]).toBe(8);\n });\n });\n \n@@ -536,14 +539,16 @@ describe('ReactSuspensePlaceholder', () => {\n 'Suspending',\n 'Suspend! [Loaded]',\n 'Fallback',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspending', 'Suspend! [Loaded]', 'Text']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspending',\n+ 'Suspend! [Loaded]',\n+ 'Text',\n ]);\n \/\/ Show the fallback UI.\n expect(ReactNoop).toMatchRenderedOutput('Loading...');\n- expect(onRender).toHaveBeenCalledTimes(2);\n+ expect(onRender).toHaveBeenCalledTimes(\n+ gate('alwaysThrottleRetries') ? 2 : 3,\n+ );\n \n jest.advanceTimersByTime(900);\n \n@@ -579,15 +584,16 @@ describe('ReactSuspensePlaceholder', () => {\n 'Suspend! [Loaded]',\n 'Fallback',\n 'Suspend! [Sibling]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspending', 'Suspend! [Loaded]', 'New', 'Suspend! [Sibling]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspending',\n+ 'Suspend! [Loaded]',\n+ 'New',\n+ 'Suspend! [Sibling]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput('Loading...');\n \n expect(onRender).toHaveBeenCalledTimes(\n- gate('enableSiblingPrerendering') ? 4 : 3,\n+ gate('alwaysThrottleRetries') ? 4 : 5,\n );\n \n \/\/ Resolve the pending promise.\n@@ -600,23 +606,17 @@ describe('ReactSuspensePlaceholder', () => {\n await waitForAll(['Suspending', 'Loaded', 'New', 'Sibling']);\n });\n \n- if (gate('enableSiblingPrerendering')) {\n- expect(onRender).toHaveBeenCalledTimes(5);\n-\n- \/\/ When the suspending data is resolved and our final UI is rendered,\n- \/\/ both times should include the 6ms rendering Text,\n- \/\/ the 2ms rendering Suspending, and the 1ms rendering AsyncText.\n- expect(onRender.mock.calls[4][2]).toBe(9);\n- expect(onRender.mock.calls[4][3]).toBe(9);\n- } else {\n- expect(onRender).toHaveBeenCalledTimes(4);\n-\n- \/\/ When the suspending data is resolved and our final UI is rendered,\n- \/\/ both times should include the 6ms rendering Text,\n- \/\/ the 2ms rendering Suspending, and the 1ms rendering AsyncText.\n- expect(onRender.mock.calls[3][2]).toBe(9);\n- expect(onRender.mock.calls[3][3]).toBe(9);\n- }\n+ expect(onRender).toHaveBeenCalledTimes(\n+ gate('alwaysThrottleRetries') ? 5 : 6,\n+ );\n+\n+ \/\/ When the suspending data is resolved and our final UI is rendered,\n+ \/\/ both times should include the 6ms rendering Text,\n+ \/\/ the 2ms rendering Suspending, and the 1ms rendering AsyncText.\n+ expect(onRender.mock.calls[4][2]).toBe(9);\n+ expect(onRender.mock.calls[4][3]).toBe(\n+ gate('alwaysThrottleRetries') ? 9 : 10,\n+ );\n });\n });\n });\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseWithNoopRenderer-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseWithNoopRenderer-test.js\nindex 79968949e3..3637093529 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseWithNoopRenderer-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactSuspenseWithNoopRenderer-test.js\n@@ -296,7 +296,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ A suspends\n 'Suspend! [A]',\n \n- ...(gate('enableSiblingPrerendering') ? ['B'] : []),\n+ \/\/ pre-warming\n+ 'B',\n+ \/\/ end pre-warming\n \n \/\/ We immediately unwind and switch to a fallback without\n \/\/ rendering siblings.\n@@ -334,10 +336,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Loading A...',\n 'Suspend! [B]',\n 'Loading B...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -351,8 +352,7 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await act(() => resolveText('A'));\n assertLog([\n 'A',\n-\n- ...(gate('enableSiblingPrerendering')\n+ ...(gate('alwaysThrottleRetries')\n ? ['Suspend! [B]', 'Suspend! [B]']\n : []),\n ]);\n@@ -395,9 +395,10 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'A',\n 'Suspend! [B]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['C', 'D'] : []),\n-\n+ \/\/ pre-warming\n+ 'C',\n+ 'D',\n+ \/\/ end pre-warming\n 'Loading...',\n ]);\n \/\/ Did not commit yet.\n@@ -509,8 +510,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [Result]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Result]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Result]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -562,8 +563,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'A',\n 'Suspend! [1]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [1]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [1]',\n ]);\n \n await act(() => resolveText('1'));\n@@ -631,9 +632,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n });\n await waitForAll([\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['B'] : []),\n-\n+ \/\/ pre-warming\n+ 'B',\n+ \/\/ end pre-warming\n 'Loading...',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(null);\n@@ -765,14 +766,10 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ The async content suspends\n 'Suspend! [Outer content]',\n 'Loading outer...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend! [Outer content]',\n- 'Suspend! [Inner content]',\n- 'Loading inner...',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Outer content]',\n+ 'Suspend! [Inner content]',\n+ 'Loading inner...',\n ]);\n \/\/ The outer loading state finishes immediately.\n expect(ReactNoop).toMatchRenderedOutput(\n@@ -952,10 +949,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -1068,10 +1064,10 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n ReactNoop.render();\n await waitForAll([\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]', 'Suspend! [C]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n+ 'Suspend! [C]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput('Loading...');\n \n@@ -1735,10 +1731,10 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ A suspends\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]', 'Loading more...']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n+ 'Loading more...',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -1753,8 +1749,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ B suspends\n 'Suspend! [B]',\n 'Loading more...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \n \/\/ Because we've already been waiting for so long we've exceeded\n@@ -1799,10 +1795,10 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ A suspends\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]', 'Loading more...']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n+ 'Loading more...',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -1881,10 +1877,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Loading A...',\n 'Suspend! [B]',\n 'Loading B...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput(\n <>\n@@ -2035,8 +2030,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \n assertLog([\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput('Loading...');\n \n@@ -2046,10 +2041,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \n assertLog([\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [A]', 'Suspend! [B]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'Suspend! [B]',\n ]);\n });\n \n@@ -2108,8 +2102,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \n assertLog([\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n await resolveText('A');\n \n@@ -2138,8 +2132,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \n assertLog([\n 'Suspend! [A]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n await resolveText('A');\n \n@@ -2168,8 +2162,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Foo',\n 'Suspend! [A]',\n 'Initial load...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]', 'B'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n+ 'B',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -2191,8 +2186,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Suspend! [C]',\n 'Updating...',\n 'B',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [C]'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [C]',\n ]);\n \/\/ Flush to skip suspended time.\n Scheduler.unstable_advanceTime(600);\n@@ -2240,8 +2236,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Suspend! [A]',\n 'B',\n \/\/ null\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n expect(ReactNoop).toMatchRenderedOutput();\n \n@@ -2263,8 +2259,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Suspend! [C]',\n \/\/ null\n 'B',\n-\n- ...(gate('enableSiblingPrerendering') ? ['A', 'Suspend! [C]'] : []),\n+ \/\/ pre-warming\n+ 'A',\n+ 'Suspend! [C]',\n ]);\n \/\/ Flush to skip suspended time.\n Scheduler.unstable_advanceTime(600);\n@@ -2312,8 +2309,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'A',\n 'Suspend! [B]',\n 'Loading B...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \/\/ Flush to skip suspended time.\n Scheduler.unstable_advanceTime(600);\n@@ -2394,8 +2391,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'A',\n 'Suspend! [B]',\n \/\/ Null\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n \/\/ Still suspended.\n expect(ReactNoop).toMatchRenderedOutput();\n@@ -2424,8 +2421,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \/\/ Only a short time is needed to unsuspend the initial loading state.\n Scheduler.unstable_advanceTime(400);\n@@ -2478,8 +2475,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \/\/ Only a short time is needed to unsuspend the initial loading state.\n Scheduler.unstable_advanceTime(400);\n@@ -2538,8 +2535,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \/\/ Only a short time is needed to unsuspend the initial loading state.\n Scheduler.unstable_advanceTime(400);\n@@ -2587,8 +2584,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \/\/ Only a short time is needed to unsuspend the initial loading state.\n Scheduler.unstable_advanceTime(400);\n@@ -2652,8 +2649,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \/\/ Only a short time is needed to unsuspend the initial loading state.\n Scheduler.unstable_advanceTime(400);\n@@ -2727,8 +2724,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [A]',\n ]);\n \/\/ Only a short time is needed to unsuspend the initial loading state.\n Scheduler.unstable_advanceTime(400);\n@@ -2794,8 +2791,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Hi!',\n 'Suspend! [A]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Hi!', 'Suspend! [A]'] : []),\n+ \/\/ pre-warming\n+ 'Hi!',\n+ 'Suspend! [A]',\n ]);\n await act(() => resolveText('A'));\n assertLog(['Hi!', 'A']);\n@@ -3117,73 +3115,6 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n },\n );\n \n- \/\/ TODO: This test is substantially different when sibling prerendering is\n- \/\/ enabled because we never work on Idle updates if there are pending retries.\n- \/\/ This was already an issue before the enableSiblingPrerendering change but\n- \/\/ it's exacerbated by the fact that we schedule a retry immediately. I'm not\n- \/\/ going to bother to update this test for now, though, because Idle updates\n- \/\/ aren't actually used and should probably just be deleted unless\/until we\n- \/\/ finish the feature. Feel free to delete if needed.\n- \/\/ @gate !enableSiblingPrerendering\n- \/\/ @gate enableLegacyCache\n- it(\n- 'multiple updates originating inside a Suspense boundary at different ' +\n- 'priority levels are not dropped, including Idle updates',\n- async () => {\n- const {useState} = React;\n- const root = ReactNoop.createRoot();\n-\n- function Parent() {\n- return (\n- <>\n- }>\n- \n- <\/Suspense>\n- <\/>\n- );\n- }\n-\n- let setText;\n- function Child() {\n- const [text, _setText] = useState('A');\n- setText = _setText;\n- return ;\n- }\n-\n- await seedNextTextCache('A');\n- await act(() => {\n- root.render();\n- });\n- assertLog(['A']);\n- expect(root).toMatchRenderedOutput();\n-\n- await act(async () => {\n- \/\/ Schedule two updates that originate inside the Suspense boundary.\n- \/\/ The first one causes the boundary to suspend. The second one is at\n- \/\/ lower priority and unsuspends it by hiding the async component.\n- setText('B');\n-\n- await resolveText('C');\n- ReactNoop.idleUpdates(() => {\n- setText('C');\n- });\n-\n- \/\/ First we attempt the high pri update. It suspends.\n- await waitForPaint(['Suspend! [B]', 'Loading...']);\n- expect(root).toMatchRenderedOutput(\n- <>\n- \n- \n- <\/>,\n- );\n-\n- \/\/ Now flush the remaining work. The Idle update successfully finishes.\n- await waitForAll(['C']);\n- expect(root).toMatchRenderedOutput();\n- });\n- },\n- );\n-\n \/\/ @gate enableLegacyCache\n it(\n 'fallback component can update itself even after a high pri update to ' +\n@@ -3226,8 +3157,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await waitForAll([\n 'Suspend! [B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [B]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [B]',\n ]);\n });\n \n@@ -3264,8 +3195,7 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \n \/\/ Then complete the update to the fallback.\n 'Still loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n+ 'Suspend! [C]',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\n@@ -3326,12 +3256,7 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n await act(() => {\n setText('C');\n });\n- assertLog([\n- 'Suspend! [C]',\n- 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n- ]);\n+ assertLog(['Suspend! [C]', 'Loading...', 'Suspend! [C]']);\n \n \/\/ Commit. This will insert a fragment fiber to wrap around the component\n \/\/ that triggered the update.\n@@ -3411,8 +3336,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n assertLog([\n 'Suspend! [C]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [C]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [C]',\n ]);\n \n \/\/ Commit. This will insert a fragment fiber to wrap around the component\n@@ -3444,9 +3369,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n \/\/ be able to finish rendering.\n assertLog([\n 'Suspend! [D]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [D]'] : []),\n-\n+ \/\/ pre-warming\n+ 'Suspend! [D]',\n+ \/\/ end pre-warming\n 'E',\n ]);\n expect(root).toMatchRenderedOutput();\n@@ -3534,10 +3459,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Outer step: 0',\n 'Suspend! [Inner text: B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Inner text: B]', 'Inner step: 0']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Inner text: B]',\n+ 'Inner step: 0',\n ]);\n \/\/ Commit the placeholder\n await advanceTimers(250);\n@@ -3566,10 +3490,9 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Outer step: 1',\n 'Suspend! [Inner text: B]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Inner text: B]', 'Inner step: 1']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Inner text: B]',\n+ 'Inner step: 1',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\n@@ -3664,8 +3587,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'Outer: B0',\n 'Suspend! [Inner: B0]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Inner: B0]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Inner: B0]',\n ]);\n \/\/ Commit the placeholder\n await advanceTimers(250);\n@@ -3907,77 +3830,6 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n });\n });\n \n- \/\/ TODO: This test is substantially different when sibling prerendering is\n- \/\/ enabled because we never work on Idle updates if there are pending retries.\n- \/\/ This was already an issue before the enableSiblingPrerendering change but\n- \/\/ it's exacerbated by the fact that we schedule a retry immediately. I'm not\n- \/\/ going to bother to update this test for now, though, because Idle updates\n- \/\/ aren't actually used and should probably just be deleted unless\/until we\n- \/\/ finish the feature. Feel free to delete if needed.\n- \/\/ @gate !enableSiblingPrerendering\n- \/\/ @gate enableLegacyCache\n- it('regression related to Idle updates (outdated experiment): #18657', async () => {\n- const {useState} = React;\n-\n- let setText;\n- function App() {\n- const [text, _setText] = useState('A');\n- setText = _setText;\n- return ;\n- }\n-\n- const root = ReactNoop.createRoot();\n- await act(async () => {\n- await seedNextTextCache('A');\n- root.render(\n- }>\n- \n- <\/Suspense>,\n- );\n- });\n- assertLog(['A']);\n- expect(root).toMatchRenderedOutput();\n-\n- await act(async () => {\n- setText('B');\n- ReactNoop.idleUpdates(() => {\n- setText('C');\n- });\n-\n- \/\/ Suspend the first update. This triggers an immediate fallback because\n- \/\/ it wasn't wrapped in startTransition.\n- await waitForPaint(['Suspend! [B]', 'Loading...']);\n- expect(root).toMatchRenderedOutput(\n- <>\n- \n- \n- <\/>,\n- );\n-\n- \/\/ Once the fallback renders, proceed to the Idle update. This will\n- \/\/ also suspend.\n- await waitForAll(['Suspend! [C]']);\n- });\n-\n- \/\/ Finish loading B.\n- await act(async () => {\n- setText('B');\n- await resolveText('B');\n- });\n- \/\/ We did not try to render the Idle update again because there have been no\n- \/\/ additional updates since the last time it was attempted.\n- assertLog(['B']);\n- expect(root).toMatchRenderedOutput();\n-\n- \/\/ Finish loading C.\n- await act(async () => {\n- setText('C');\n- await resolveText('C');\n- });\n- assertLog(['C']);\n- expect(root).toMatchRenderedOutput();\n- });\n-\n \/\/ @gate enableLegacyCache\n it('retries have lower priority than normal updates', async () => {\n const {useState} = React;\n@@ -4004,8 +3856,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n 'A',\n 'Suspend! [Async]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Async]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Async]',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\n@@ -4076,8 +3928,8 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n assertLog([\n 'Suspend! [Async]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend! [Async]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Async]',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\n@@ -4248,10 +4100,11 @@ describe('ReactSuspenseWithNoopRenderer', () => {\n '1',\n 'Suspend! [Async]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend! [Async]', 'A', 'B', 'C']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend! [Async]',\n+ 'A',\n+ 'B',\n+ 'C',\n ]);\n expect(root).toMatchRenderedOutput(\n <>\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactTransition-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactTransition-test.js\nindex 60456ee639..d3ad2e6138 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactTransition-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactTransition-test.js\n@@ -860,9 +860,9 @@ describe('ReactTransition', () => {\n assertLog([\n \/\/ Suspend.\n 'Suspend! [Async]',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Normal pri: 0'] : []),\n-\n+ \/\/ pre-warming\n+ 'Normal pri: 0',\n+ \/\/ end pre-warming\n 'Loading...',\n ]);\n expect(root).toMatchRenderedOutput('(empty), Normal pri: 0');\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactTransitionTracing-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactTransitionTracing-test.js\nindex 772eb98710..ab4982ce02 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactTransitionTracing-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactTransitionTracing-test.js\n@@ -442,7 +442,9 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Page Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 1000)',\n 'onTransitionProgress(page transition, 1000, 2000, [suspense page])',\n ]);\n@@ -533,7 +535,9 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Page Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 1000)',\n 'onTransitionProgress(page transition, 1000, 1000, [suspense page])',\n ]);\n@@ -552,7 +556,9 @@ describe('ReactInteractionTracing', () => {\n 'Suspend [Show Text]',\n 'Show Text Loading...',\n 'Page Two',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Show Text]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Show Text]',\n+ \/\/ end pre-warming\n 'onTransitionStart(text transition, 2000)',\n 'onTransitionProgress(text transition, 2000, 2000, [show text])',\n ]);\n@@ -642,7 +648,9 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Page Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 1000)',\n 'onTransitionProgress(page transition, 1000, 2000, [suspense page])',\n ]);\n@@ -656,9 +664,10 @@ describe('ReactInteractionTracing', () => {\n 'Show Text Loading...',\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Show Text]', 'Suspend [Page Two]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Show Text]',\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(show text, 2000)',\n 'onTransitionProgress(show text, 2000, 2000, [show text])',\n ]);\n@@ -761,15 +770,13 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend [Page Two]',\n- 'Suspend [Show Text One]',\n- 'Show Text One Loading...',\n- 'Suspend [Show Text Two]',\n- 'Show Text Two Loading...',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ 'Suspend [Show Text One]',\n+ 'Show Text One Loading...',\n+ 'Suspend [Show Text Two]',\n+ 'Show Text Two Loading...',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 1000)',\n 'onTransitionProgress(page transition, 1000, 2000, [suspense page])',\n ]);\n@@ -784,9 +791,10 @@ describe('ReactInteractionTracing', () => {\n 'Show Text One Loading...',\n 'Suspend [Show Text Two]',\n 'Show Text Two Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Show Text One]', 'Suspend [Show Text Two]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Show Text One]',\n+ 'Suspend [Show Text Two]',\n+ \/\/ end pre-warming\n 'onTransitionProgress(page transition, 1000, 3000, [show text one, show text two])',\n ]);\n \n@@ -899,15 +907,13 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend [Page Two]',\n- 'Suspend [Show Text One]',\n- 'Show Text One Loading...',\n- 'Suspend [Show Text]',\n- 'Show Text Loading...',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ 'Suspend [Show Text One]',\n+ 'Show Text One Loading...',\n+ 'Suspend [Show Text]',\n+ 'Show Text Loading...',\n+ \/\/ end pre-warming\n 'onTransitionStart(navigate, 1000)',\n 'onTransitionStart(show text one, 1000)',\n 'onTransitionProgress(navigate, 1000, 2000, [suspense page])',\n@@ -923,9 +929,10 @@ describe('ReactInteractionTracing', () => {\n 'Show Text One Loading...',\n 'Suspend [Show Text]',\n 'Show Text Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Show Text One]', 'Suspend [Show Text]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Show Text One]',\n+ 'Suspend [Show Text]',\n+ \/\/ end pre-warming\n 'onTransitionProgress(navigate, 1000, 3000, [show text one, ])',\n 'onTransitionProgress(show text one, 1000, 3000, [show text one, ])',\n ]);\n@@ -942,13 +949,11 @@ describe('ReactInteractionTracing', () => {\n 'Show Text Loading...',\n 'Suspend [Show Text Two]',\n 'Show Text Two Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend [Show Text One]',\n- 'Suspend [Show Text]',\n- 'Suspend [Show Text Two]',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Show Text One]',\n+ 'Suspend [Show Text]',\n+ 'Suspend [Show Text Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(show text two, 3000)',\n 'onTransitionProgress(show text two, 3000, 4000, [show text two])',\n ]);\n@@ -1153,9 +1158,11 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Page Two]', 'Suspend [Marker Text]', 'Loading...']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ 'Suspend [Marker Text]',\n+ 'Loading...',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 1000)',\n ]);\n \n@@ -1167,7 +1174,9 @@ describe('ReactInteractionTracing', () => {\n 'Page Two',\n 'Suspend [Marker Text]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Marker Text]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Marker Text]',\n+ \/\/ end pre-warming\n 'onMarkerProgress(page transition, async marker, 1000, 3000, [marker suspense])',\n 'onMarkerComplete(page transition, sync marker, 1000, 3000)',\n ]);\n@@ -1271,15 +1280,13 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Outer Text]',\n 'Outer...',\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend [Outer Text]',\n- 'Suspend [Inner Text One]',\n- 'Inner One...',\n- 'Suspend [Inner Text Two]',\n- 'Inner Two...',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Outer Text]',\n+ 'Suspend [Inner Text One]',\n+ 'Inner One...',\n+ 'Suspend [Inner Text Two]',\n+ 'Inner Two...',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 1000)',\n 'onMarkerProgress(page transition, outer marker, 1000, 2000, [outer])',\n ]);\n@@ -1297,9 +1304,9 @@ describe('ReactInteractionTracing', () => {\n 'Suspend [Inner Text One]',\n 'Inner One...',\n 'Inner Text Two',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Inner Text One]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Inner Text One]',\n+ \/\/ end pre-warming\n 'onMarkerProgress(page transition, outer marker, 1000, 4000, [inner one])',\n 'onMarkerComplete(page transition, marker two, 1000, 4000)',\n ]);\n@@ -1535,9 +1542,10 @@ describe('ReactInteractionTracing', () => {\n 'Loading...',\n 'Suspend [Sibling Text]',\n 'Sibling Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Page Two]', 'Suspend [Sibling Text]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ 'Suspend [Sibling Text]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition one, 1000)',\n 'onMarkerProgress(transition one, parent, 1000, 2000, [suspense page, suspense sibling])',\n 'onMarkerProgress(transition one, marker one, 1000, 2000, [suspense page])',\n@@ -1553,9 +1561,10 @@ describe('ReactInteractionTracing', () => {\n 'Loading...',\n 'Suspend [Sibling Text]',\n 'Sibling Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Page Two]', 'Suspend [Sibling Text]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ 'Suspend [Sibling Text]',\n+ \/\/ end pre-warming\n 'onMarkerProgress(transition one, parent, 1000, 3000, [suspense sibling])',\n 'onMarkerIncomplete(transition one, marker one, 1000, [{endTime: 3000, name: marker one, type: marker}, {endTime: 3000, name: suspense page, type: suspense}])',\n 'onMarkerIncomplete(transition one, parent, 1000, [{endTime: 3000, name: marker one, type: marker}, {endTime: 3000, name: suspense page, type: suspense}])',\n@@ -1569,9 +1578,9 @@ describe('ReactInteractionTracing', () => {\n 'Loading...',\n 'Suspend [Sibling Text]',\n 'Sibling Loading...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Page Two]', 'Suspend [Sibling Text]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ 'Suspend [Sibling Text]',\n ]);\n });\n \n@@ -1693,9 +1702,10 @@ describe('ReactInteractionTracing', () => {\n 'Loading One...',\n 'Suspend [Page Two]',\n 'Loading Two...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Page One]', 'Suspend [Page Two]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page One]',\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition, 1000)',\n 'onMarkerProgress(transition, parent, 1000, 2000, [suspense one, suspense two])',\n 'onMarkerProgress(transition, one, 1000, 2000, [suspense one])',\n@@ -1709,7 +1719,9 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading Two...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Page Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onMarkerProgress(transition, parent, 1000, 3000, [suspense two])',\n 'onMarkerIncomplete(transition, one, 1000, [{endTime: 3000, name: one, type: marker}, {endTime: 3000, name: suspense one, type: suspense}])',\n 'onMarkerIncomplete(transition, parent, 1000, [{endTime: 3000, name: one, type: marker}, {endTime: 3000, name: suspense one, type: suspense}])',\n@@ -1836,14 +1848,12 @@ describe('ReactInteractionTracing', () => {\n 'Loading One...',\n 'Suspend [Page Two]',\n 'Loading Two...',\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend [Page One]',\n- 'Suspend [Child]',\n- 'Loading Child...',\n- 'Suspend [Page Two]',\n- ]\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page One]',\n+ 'Suspend [Child]',\n+ 'Loading Child...',\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition, 1000)',\n 'onMarkerProgress(transition, parent, 1000, 2000, [suspense one, suspense two])',\n 'onMarkerProgress(transition, one, 1000, 2000, [suspense one])',\n@@ -1858,7 +1868,9 @@ describe('ReactInteractionTracing', () => {\n 'Page One',\n 'Suspend [Child]',\n 'Loading Child...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Child]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Child]',\n+ \/\/ end pre-warming\n 'onMarkerProgress(transition, parent, 1000, 3000, [suspense two, suspense child])',\n 'onMarkerProgress(transition, one, 1000, 3000, [suspense child])',\n 'onMarkerComplete(transition, page one, 1000, 3000)',\n@@ -1871,7 +1883,10 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Page Two]',\n 'Loading Two...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Page Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n+\n \/\/ \"suspense one\" has unsuspended so shouldn't be included\n \/\/ tracing marker \"page one\" has completed so shouldn't be included\n \/\/ all children of \"suspense child\" haven't yet been rendered so shouldn't be included\n@@ -1969,7 +1984,9 @@ describe('ReactInteractionTracing', () => {\n \n await waitForAll([\n 'Suspend [Child]',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Child]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Child]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition, 0)',\n 'onMarkerProgress(transition, parent, 0, 1000, [child])',\n 'onTransitionProgress(transition, 0, 1000, [child])',\n@@ -1983,9 +2000,9 @@ describe('ReactInteractionTracing', () => {\n await waitForAll([\n 'Suspend [Appended child]',\n 'Suspend [Child]',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Appended child]', 'Suspend [Child]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Appended child]',\n+ 'Suspend [Child]',\n ]);\n \n \/\/ This deleted child isn't part of the transition so we\n@@ -1995,7 +2012,8 @@ describe('ReactInteractionTracing', () => {\n await advanceTimers(1000);\n await waitForAll([\n 'Suspend [Child]',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Child]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Child]',\n ]);\n \n await resolveText('Child');\n@@ -2097,7 +2115,9 @@ describe('ReactInteractionTracing', () => {\n \n assertLog([\n 'Suspend [Child]',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Child]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Child]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition one, 0)',\n 'onMarkerProgress(transition one, parent, 0, 1000, [child])',\n 'onTransitionProgress(transition one, 0, 1000, [child])',\n@@ -2118,9 +2138,10 @@ describe('ReactInteractionTracing', () => {\n assertLog([\n 'Suspend [Appended child]',\n 'Suspend [Child]',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Appended child]', 'Suspend [Child]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Appended child]',\n+ 'Suspend [Child]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition two, 1000)',\n 'onMarkerProgress(transition two, appended child, 1000, 2000, [appended child])',\n 'onTransitionProgress(transition two, 1000, 2000, [appended child])',\n@@ -2134,7 +2155,9 @@ describe('ReactInteractionTracing', () => {\n \n assertLog([\n 'Suspend [Child]',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Child]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Child]',\n+ \/\/ end pre-warming\n 'onMarkerProgress(transition two, appended child, 1000, 3000, [])',\n 'onMarkerIncomplete(transition two, appended child, 1000, [{endTime: 3000, name: appended child, type: suspense}])',\n ]);\n@@ -2291,20 +2314,11 @@ describe('ReactInteractionTracing', () => {\n assertLog([\n 'Suspend [Text]',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? [\n- 'Suspend [Text]',\n- 'onTransitionStart(transition, 0)',\n-\n- 'Suspend [Hidden Text]',\n- 'Hidden Loading...',\n- ]\n- : [\n- 'Suspend [Hidden Text]',\n- 'Hidden Loading...',\n- 'onTransitionStart(transition, 0)',\n- ]),\n+ \/\/ pre-warming\n+ 'Suspend [Text]',\n+ 'onTransitionStart(transition, 0)',\n+ 'Suspend [Hidden Text]',\n+ 'Hidden Loading...',\n ]);\n \n await act(() => {\n@@ -2368,7 +2382,9 @@ describe('ReactInteractionTracing', () => {\n assertLog([\n 'Suspend [Page Two]',\n 'Loading...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Page Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Page Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(page transition, 0)',\n 'onTransitionProgress(page transition, 0, 1000, [suspense page])',\n ]);\n@@ -2440,10 +2456,13 @@ describe('ReactInteractionTracing', () => {\n 'Text',\n 'Suspend [Text Two]',\n 'Loading Two...',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Text Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Text Two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition, 0)',\n 'onTransitionProgress(transition, 0, 1000, [two])',\n- ...(gate('enableSiblingPrerendering') ? ['Suspend [Text Two]'] : []),\n+ \/\/ pre-warming\n+ 'Suspend [Text Two]',\n ]);\n \n await act(() => {\n@@ -2515,9 +2534,10 @@ describe('ReactInteractionTracing', () => {\n 'Loading one...',\n 'Suspend [Text two]',\n 'Loading two...',\n- ...(gate('enableSiblingPrerendering')\n- ? ['Suspend [Text one]', 'Suspend [Text two]']\n- : []),\n+ \/\/ pre-warming\n+ 'Suspend [Text one]',\n+ 'Suspend [Text two]',\n+ \/\/ end pre-warming\n 'onTransitionStart(transition one, 0) \/root one\/',\n 'onTransitionProgress(transition one, 0, 1000, [one]) \/root one\/',\n 'onTransitionStart(transition two, 0) \/root two\/',\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactUse-test.js b\/packages\/react-reconciler\/src\/__tests__\/ReactUse-test.js\nindex de0773076c..9714cb4a3e 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactUse-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactUse-test.js\n@@ -196,8 +196,8 @@ describe('ReactUse', () => {\n assertLog([\n 'Suspend!',\n 'Loading...',\n-\n- ...(gate('enableSiblingPrerendering') ? ['Suspend!'] : []),\n+ \/\/ pre-warming\n+ 'Suspend!',\n ]);\n expect(root).toMatchRenderedOutput('Loading...');\n });\n@@ -1123,10 +1123,9 @@ describe('ReactUse', () => {\n });\n assertLog([\n '(Loading A...)',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['(Loading C...)', '(Loading B...)']\n- : []),\n+ \/\/ pre-warming\n+ '(Loading C...)',\n+ '(Loading B...)',\n ]);\n expect(root).toMatchRenderedOutput('(Loading A...)');\n \n@@ -2051,16 +2050,12 @@ describe('ReactUse', () => {\n assertLog(['Async text requested [World]']);\n \n await act(() => resolveTextRequests('World'));\n- assertConsoleErrorDev(\n- gate('enableSiblingPrerendering')\n- ? [\n- 'A component was suspended by an uncached promise. ' +\n- 'Creating promises inside a Client Component or hook is not yet supported, ' +\n- 'except via a Suspense-compatible library or framework.\\n' +\n- ' in App (at **)',\n- ]\n- : [],\n- );\n+ assertConsoleErrorDev([\n+ 'A component was suspended by an uncached promise. ' +\n+ 'Creating promises inside a Client Component or hook is not yet supported, ' +\n+ 'except via a Suspense-compatible library or framework.\\n' +\n+ ' in App (at **)',\n+ ]);\n \n assertLog(['Hi', 'World']);\n expect(root).toMatchRenderedOutput('Hi World');\n@@ -2107,17 +2102,13 @@ describe('ReactUse', () => {\n assertLog(['Async text requested [World]']);\n \n await act(() => resolveTextRequests('World'));\n- assertConsoleErrorDev(\n- gate('enableSiblingPrerendering')\n- ? [\n- 'A component was suspended by an uncached promise. ' +\n- 'Creating promises inside a Client Component or hook is not yet supported, ' +\n- 'except via a Suspense-compatible library or framework.\\n' +\n- ' in div (at **)\\n' +\n- ' in App (at **)',\n- ]\n- : [],\n- );\n+ assertConsoleErrorDev([\n+ 'A component was suspended by an uncached promise. ' +\n+ 'Creating promises inside a Client Component or hook is not yet supported, ' +\n+ 'except via a Suspense-compatible library or framework.\\n' +\n+ ' in div (at **)\\n' +\n+ ' in App (at **)',\n+ ]);\n \n assertLog(['Hi', 'World']);\n expect(root).toMatchRenderedOutput(

Hi World<\/div>);\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/StrictEffectsMode-test.js b\/packages\/react-reconciler\/src\/__tests__\/StrictEffectsMode-test.js\nindex 0c7e75c39a..0d0287bca6 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/StrictEffectsMode-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/StrictEffectsMode-test.js\n@@ -907,10 +907,9 @@ describe('StrictEffectsMode', () => {\n 'Child suspended',\n 'Fallback',\n 'Fallback',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Child rendered', 'Child suspended']\n- : []),\n+ \/\/ pre-warming\n+ 'Child rendered',\n+ 'Child suspended',\n ]);\n \n log = [];\n@@ -932,10 +931,9 @@ describe('StrictEffectsMode', () => {\n 'Fallback',\n 'Parent dep destroy',\n 'Parent dep create',\n-\n- ...(gate('enableSiblingPrerendering')\n- ? ['Child rendered', 'Child suspended']\n- : []),\n+ \/\/ pre-warming\n+ 'Child rendered',\n+ 'Child suspended',\n ]);\n \n log = [];\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/useSyncExternalStore-test.js b\/packages\/react-reconciler\/src\/__tests__\/useSyncExternalStore-test.js\nindex a5c6a6995d..eb5bc6ed98 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/useSyncExternalStore-test.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/useSyncExternalStore-test.js\n@@ -333,8 +333,8 @@ describe('useSyncExternalStore', () => {\n \/\/ This should a synchronous re-render of A using the updated value. In\n \/\/ this test, this causes A to suspend.\n 'Suspend A',\n-\n- ...(gate('enableSiblingPrerendering') ? ['B: Updated'] : []),\n+ \/\/ pre-warming\n+ 'B: Updated',\n ]);\n \/\/ Nothing has committed, because A suspended and no fallback\n \/\/ was provided.\n@@ -419,7 +419,9 @@ describe('useSyncExternalStore', () => {\n await act(async () => {\n root.render();\n });\n- assertLog([...(gate('enableSiblingPrerendering') ? ['(not set)'] : [])]);\n+\n+ \/\/ pre-warming\n+ assertLog(['(not set)']);\n \n expect(root).toMatchRenderedOutput('Loading...');\n \n@@ -429,11 +431,12 @@ describe('useSyncExternalStore', () => {\n resolveText('A');\n });\n assertLog([\n- ...(gate('enableSiblingPrerendering')\n- ? ['A', 'B', 'A', 'B', 'B']\n- : gate(flags => flags.alwaysThrottleRetries)\n- ? ['A', '(not set)', 'A', '(not set)', 'B']\n- : ['A', '(not set)', 'A', '(not set)', '(not set)', 'B']),\n+ 'A',\n+ 'B',\n+ 'A',\n+ 'B',\n+ 'B',\n+ ...(gate('alwaysThrottleRetries') ? [] : ['B']),\n ]);\n \n expect(root).toMatchRenderedOutput('AB');\ndiff --git a\/packages\/shared\/ReactFeatureFlags.js b\/packages\/shared\/ReactFeatureFlags.js\nindex 142d1a2d27..217b095a29 100644\n--- a\/packages\/shared\/ReactFeatureFlags.js\n+++ b\/packages\/shared\/ReactFeatureFlags.js\n@@ -141,8 +141,6 @@ export const enablePersistedModeClonedFlag = false;\n \n export const enableShallowPropDiffing = false;\n \n-export const enableSiblingPrerendering = true;\n-\n \/**\n * Enables an expiration time for retry lanes to avoid starvation.\n *\/\ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.native-fb-dynamic.js b\/packages\/shared\/forks\/ReactFeatureFlags.native-fb-dynamic.js\nindex c2b56602b3..29a49ae366 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.native-fb-dynamic.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.native-fb-dynamic.js\n@@ -23,7 +23,6 @@ export const enableHiddenSubtreeInsertionEffectCleanup = __VARIANT__;\n export const enablePersistedModeClonedFlag = __VARIANT__;\n export const enableShallowPropDiffing = __VARIANT__;\n export const passChildrenWhenCloningPersistedNodes = __VARIANT__;\n-export const enableSiblingPrerendering = __VARIANT__;\n export const enableFastAddPropertiesInDiffing = __VARIANT__;\n export const enableLazyPublicInstanceInFabric = __VARIANT__;\n export const renameElementSymbol = __VARIANT__;\ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.native-fb.js b\/packages\/shared\/forks\/ReactFeatureFlags.native-fb.js\nindex 0234e597e3..8383c0dc35 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.native-fb.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.native-fb.js\n@@ -25,7 +25,6 @@ export const {\n enablePersistedModeClonedFlag,\n enableShallowPropDiffing,\n passChildrenWhenCloningPersistedNodes,\n- enableSiblingPrerendering,\n enableFastAddPropertiesInDiffing,\n enableLazyPublicInstanceInFabric,\n renameElementSymbol,\ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.native-oss.js b\/packages\/shared\/forks\/ReactFeatureFlags.native-oss.js\nindex 65fe40ebae..acc04dfb05 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.native-oss.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.native-oss.js\n@@ -61,8 +61,6 @@ export const renameElementSymbol = true;\n export const retryLaneExpirationMs = 5000;\n export const syncLaneExpirationMs = 250;\n export const transitionLaneExpirationMs = 5000;\n-export const enableSiblingPrerendering = true;\n-\n export const enableHydrationLaneScheduling = true;\n \n export const enableYieldingBeforePassive = false;\ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.js b\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.js\nindex 5a97041080..4e51e7260e 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.js\n@@ -62,7 +62,6 @@ export const enableInfiniteRenderLoopDetection = false;\n \n export const renameElementSymbol = true;\n export const enableShallowPropDiffing = false;\n-export const enableSiblingPrerendering = true;\n \n export const enableYieldingBeforePassive = true;\n \ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.native-fb.js b\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.native-fb.js\nindex 980c0cdea9..c9bd058f1f 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.native-fb.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.native-fb.js\n@@ -60,7 +60,6 @@ export const renameElementSymbol = false;\n export const retryLaneExpirationMs = 5000;\n export const syncLaneExpirationMs = 250;\n export const transitionLaneExpirationMs = 5000;\n-export const enableSiblingPrerendering = true;\n export const enableHydrationLaneScheduling = true;\n export const enableYieldingBeforePassive = false;\n export const enableThrottledScheduling = false;\ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.www.js b\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.www.js\nindex 0ffb689e3b..baceb1e6b7 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.www.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.test-renderer.www.js\n@@ -71,7 +71,6 @@ export const renameElementSymbol = false;\n \n export const enableObjectFiber = false;\n export const enableShallowPropDiffing = false;\n-export const enableSiblingPrerendering = true;\n \n export const enableHydrationLaneScheduling = true;\n \ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.www-dynamic.js b\/packages\/shared\/forks\/ReactFeatureFlags.www-dynamic.js\nindex 46442874e7..700aebb1cc 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.www-dynamic.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.www-dynamic.js\n@@ -33,7 +33,6 @@ export const transitionLaneExpirationMs = 5000;\n export const enableSchedulingProfiler = __VARIANT__;\n \n export const enableInfiniteRenderLoopDetection = __VARIANT__;\n-export const enableSiblingPrerendering = __VARIANT__;\n \n export const enableFastAddPropertiesInDiffing = __VARIANT__;\n export const enableLazyPublicInstanceInFabric = false;\ndiff --git a\/packages\/shared\/forks\/ReactFeatureFlags.www.js b\/packages\/shared\/forks\/ReactFeatureFlags.www.js\nindex bb5f09767d..5ecd0073ed 100644\n--- a\/packages\/shared\/forks\/ReactFeatureFlags.www.js\n+++ b\/packages\/shared\/forks\/ReactFeatureFlags.www.js\n@@ -26,7 +26,6 @@ export const {\n enableObjectFiber,\n enableRenderableContext,\n enableRetryLaneExpiration,\n- enableSiblingPrerendering,\n enableTransitionTracing,\n enableTrustedTypesIntegration,\n favorSafetyOverHydrationPerf,\ndiff --git a\/scripts\/jest\/TestFlags.js b\/scripts\/jest\/TestFlags.js\nindex f736ca2254..12b74039d5 100644\n--- a\/scripts\/jest\/TestFlags.js\n+++ b\/scripts\/jest\/TestFlags.js\n@@ -87,7 +87,7 @@ function getTestFlags() {\n \/\/ TODO: Suspending the work loop during the render phase is currently\n \/\/ not compatible with sibling prerendering. We will add this optimization\n \/\/ back in a later step.\n- enableSuspendingDuringWorkLoop: !featureFlags.enableSiblingPrerendering,\n+ enableSuspendingDuringWorkLoop: false,\n \n \/\/ This flag is used to determine whether we should run Fizz tests using\n \/\/ the external runtime or the inline script runtime.\n","files":[{"path":"packages\/react-cache\/src\/__tests__\/ReactCacheOld-test.internal.js","status":"M"},{"path":"packages\/react-devtools-shared\/src\/__tests__\/TimelineProfiler-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMFiberAsync-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMForm-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMSuspensePlaceholder-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactWrongReturnPointer-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/ReactFiberCompleteWork.js","status":"M"},{"path":"packages\/react-reconciler\/src\/ReactFiberLane.js","status":"M"},{"path":"packages\/react-reconciler\/src\/ReactFiberRootScheduler.js","status":"M"},{"path":"packages\/react-reconciler\/src\/ReactFiberWorkLoop.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ActivityLegacySuspense-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ActivityStrictMode-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ActivitySuspense-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactActWarnings-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactAsyncActions-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactBatching-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactCPUSuspense-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactConcurrentErrorRecovery-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactContextPropagation-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactDeferredValue-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactExpiration-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactHooksWithNoopRenderer-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactLazy-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSiblingPrerendering-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspense-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspenseCallback-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspenseEffectsSemantics-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspenseFallback-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspenseList-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspensePlaceholder-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactSuspenseWithNoopRenderer-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactTransition-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactTransitionTracing-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactUse-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/StrictEffectsMode-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/useSyncExternalStore-test.js","status":"M"},{"path":"packages\/shared\/ReactFeatureFlags.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.native-fb-dynamic.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.native-fb.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.native-oss.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.test-renderer.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.test-renderer.native-fb.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.test-renderer.www.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.www-dynamic.js","status":"M"},{"path":"packages\/shared\/forks\/ReactFeatureFlags.www.js","status":"M"},{"path":"scripts\/jest\/TestFlags.js","status":"M"}]}

dillon1000/react

Files changed