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chromium/chromium/src/refs/heads/main/./testing/variations/fieldtrial_testing_config.json
blob: ed1a732d6d8dff91ce0592af648bd6316bb42fb9 [file] [edit]
{
"AAudioVariableSizedCallbacks": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AAudioVariableSizedCallbacks"
]
}
]
}
],
"AIFuseboxFakeboxEvolution": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PlusButtonInFakebox"
]
}
]
}
],
"AIFuseboxIOSModelPicker_ROW": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ComposeboxAdditionalAdvancedTools",
"ComposeboxDeepSearch",
"ComposeboxServerSideState"
]
}
]
}
],
"ANGLEPurgeableBufferPool": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ANGLEPurgeableBufferPool"
]
}
]
}
],
"AVFoundationCaptureForwardSampleTimestamps": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"AVFoundationCaptureForwardSampleTimestamps"
]
}
]
}
],
"AXRandomizedStressTests": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AXRandomizedStressTests"
]
}
]
}
],
"AXTreeFixing": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AXTreeFixing"
]
}
]
}
],
"AblateSearchProviderWarmupRequests": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AblateSearchProviderWarmup"
]
}
]
}
],
"AccessibilityGoogleTtsAutomaticReconnect": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled_20260825",
"enable_features": [
"AccessibilityGoogleTtsAutomaticReconnect"
]
}
]
}
],
"AccessibilityManifestV3ChromeVox": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AccessibilityManifestV3ChromeVox"
]
}
]
}
],
"AccessibilityPageZoomV2": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AccessibilityPageZoomV2"
]
}
]
}
],
"AccessibilityPerformanceMeasurementExperiment": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Control2025-07-08",
"disable_features": [
"AccessibilityPerformanceMeasurementExperiment"
]
}
]
}
],
"AccessibilityRequestScopedContentChangedEvents": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "MaxContentChangedEventsToFire_005",
"params": {
"max_events": "5",
"prevent_window_content_changes_for_nodes_not_likely_in_android": "true"
},
"enable_features": [
"AccessibilityRequestScopedContentChangedEvents"
]
}
]
}
],
"AccessibilitySequentialFocus": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AccessibilitySequentialFocus"
]
}
]
}
],
"AccountPickerDialog": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AccountPickerDialog"
]
}
]
}
],
"ActivitylessSigninAllEntryPointClank": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"EnableActivitylessSigninAllEntryPoint"
]
}
]
}
],
"AddressInfobarDisplayLength": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Sixteen_Seconds",
"params": {
"duration-seconds": "16"
},
"enable_features": [
"AddressInfobarDisplayLength"
]
}
]
}
],
"AddressSorterConnectCache": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AddressSorterConnectCache"
]
}
]
}
],
"AiSubscriptionAvatarRingAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"EnableAiSubscriptionAvatarRing"
]
}
]
}
],
"AiSubscriptionAvatarRingDesktop": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"EnableAiSubscriptionAvatarRing"
]
}
]
}
],
"AiSubscriptionAvatarRingFollowupIOS": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AiSubscriptionAvatarRingFollowupIOS"
]
}
]
}
],
"AiSubscriptionAvatarRingIOS": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AiSubscriptionAvatarRingIOS"
]
}
]
}
],
"Aim3pEntrypoint": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "enabled",
"enable_features": [
"Aim3pEntrypoint"
]
}
]
}
],
"AlignPdfDefaultPrintSettingsWithHTML": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AlignPdfDefaultPrintSettingsWithHTML"
]
}
]
}
],
"AlignWakeUps": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"AlignWakeUps"
]
}
]
}
],
"AllowMultipleMediaNotifications": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AllowMultipleMediaNotifications"
]
}
]
}
],
"AndroidAdaptiveAffinityMode": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_LongPageBoost_20260615",
"params": {
"helper_mode": "affinity",
"page_load_boost": "10s",
"scroll_boost": "0.2s",
"user_input_boost": "0.5s"
},
"enable_features": [
"UsePerformanceHelper"
]
}
]
}
],
"AndroidAnimatedImageDragShadow": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AnimatedImageDragShadow"
]
}
]
}
],
"AndroidAppRatingPrompt": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidAppRatingPrompt"
]
}
]
}
],
"AndroidBookmarkHistoryPane": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "EnabledWithHistoryPane",
"enable_features": [
"HistoryPaneAndroid"
]
}
]
}
],
"AndroidDesktopBookmarkImprovements": [
{
"platforms": [
"android"
],
"form_factors": [
"desktop"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidDesktopBookmarkDialog",
"AndroidDesktopBookmarkPopup",
"BookmarksBarContextMenu",
"BookmarksBarNTP"
]
}
]
}
],
"AndroidDesktopGlicContextMenu": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Disabled_50_20260915",
"disable_features": [
"ClankGlicContextMenu"
]
}
]
}
],
"AndroidDesktopUAPlatform": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidDesktopUAPlatform"
]
}
]
}
],
"AndroidDesktopUASpoofAsChromeOS": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidDesktopUASpoofAsChromeOS"
]
}
]
}
],
"AndroidDesktopWebPrefsLargeDisplays": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidDesktopWebPrefsLargeDisplays"
]
}
]
}
],
"AndroidDevToolsFrontend": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidDevToolsFrontend"
]
}
]
}
],
"AndroidDocumentPictureInPictureAPI": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"DocumentPictureInPictureAPI"
]
}
]
}
],
"AndroidDownloadImprovements": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"EnableDownloadSaveAsContextMenu",
"OpenDownloadInFilesAppIfNoHandlerFound",
"OpenDownloadInNewTab",
"OpenDownloadInPreferredApp"
]
}
]
}
],
"AndroidFreLayoutUpdate": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_20260901",
"enable_features": [
"AndroidFreLayoutUpdate"
]
}
]
}
],
"AndroidMediaInsertion": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidMediaInsertion"
]
}
]
}
],
"AndroidNavigationBlurTransitionAnimation": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_FadeOut150",
"params": {
"nav-animation-fade-hold-duration-ms": "350",
"nav-animation-fade-out-duration-ms": "150",
"skip_srp": "false"
},
"enable_features": [
"AndroidNavigationBlurTransitionAnimation"
]
}
]
}
],
"AndroidReaderModeFastFollows": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "EnabledAll",
"enable_features": [
"ReaderModeBlurTransitionAnimation",
"ReaderModeDelayBottomSheetPeek",
"ReaderModeToggleLinks"
]
}
]
}
],
"AndroidResizeLargeNotificationBitmaps": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidResizeLargeNotificationBitmaps"
]
}
]
}
],
"AndroidResourceMemoryOptimization": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidResourceMemoryOptimization"
]
}
]
}
],
"AndroidSpareRendererCreation_V3": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "FilterNTPNoMemoryThresholdWithKill",
"params": {
"kill_when_backgrounded": "true",
"lowest-ranking": "true",
"not-perceptible-binding": "false",
"omnibox_spare_renderer_delay_ms": "500",
"only_for_navigation": "true",
"only_warmup_after_web_page_loaded": "true",
"remove-binding-no-timeout": "true",
"spare_renderer_available_memory_threshold_enabled": "false",
"spare_renderer_creation_timing": "after-loading",
"spare_renderer_timeout_seconds": "60"
},
"enable_features": [
"AndroidWarmUpSpareRendererWithTimeout",
"OverrideAndroidOmniboxSpareRendererDelay",
"ResumeNavigationWithSpeculativeRFHProcessGone",
"SpareRendererProcessPriority"
]
}
]
}
],
"AndroidSpellcheckAndGrammarCheck": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidGrammarCheck",
"AndroidSpellcheckFullApiBlink",
"AndroidSpellcheckNativeUi",
"LeftClickToHandleSuggestion",
"SpellCheckChunking"
]
}
]
}
],
"AndroidStartupImprovements": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidStartupImprovements"
]
}
]
}
],
"AndroidSurfaceControlPartialDamage": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidSurfaceControlPartialDamage"
]
}
]
}
],
"AndroidSwipeToSwitchPane": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_20260106",
"enable_features": [
"EnableSwipeToSwitchPane"
]
}
]
}
],
"AndroidSystemFontPrewarming": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidSystemFontPrewarming"
]
}
]
}
],
"AndroidTabDeclutterIPH": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"IPH_AndroidTabDeclutter"
],
"disable_features": []
}
]
}
],
"AndroidTabUiRefactor": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidTabUiRefactor"
]
}
]
}
],
"AndroidThreadPriority": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "RaiseDisplayCriticalThreadPriorityV2",
"params": {
"interactive": "-8",
"obey_soc_restrictions": "false",
"presentation": "-8"
},
"enable_features": [
"AndroidThreadPriority"
]
}
]
}
],
"AndroidTipsNotificationsV2": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_V2_EcosystemLockIn",
"params": {
"ecosystem_lock_in": "true"
},
"enable_features": [
"AndroidTipsNotificationsV2"
]
}
]
}
],
"AndroidUseCorrectDisplayWorkArea": [
{
"platforms": [
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidUseCorrectDisplayWorkArea"
]
}
]
}
],
"AndroidUseDisplayTopology": [
{
"platforms": [
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidUseDisplayTopology"
]
}
]
}
],
"AndroidVerticalTabs": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidVerticalTabs",
"IPH_AndroidVerticalTabsPromo"
]
}
]
}
],
"AndroidWindowManagementWebApi": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidUseCorrectDisplayWorkArea",
"AndroidUseDisplayTopology",
"AndroidWindowManagementWebApi"
]
}
]
}
],
"AndroidWindowOcclusion": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "FlexibleOcclusionMediumRateLimit",
"params": {
"calculate_occlusion_rate_limit_ms": "100",
"minimum_visibility_size_threshold": "10",
"occlusion_optimizations": "true",
"tracking_mode": "self_occlusion"
},
"enable_features": [
"AndroidWindowOcclusion"
]
}
]
}
],
"AndroidYuvOverlayEvenAlignment": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidYuvOverlayEvenAlignment"
]
}
]
}
],
"AndroidZeroCopyVideoCapture": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AndroidZeroCopyVideoCapture"
]
}
]
}
],
"AnnotatedPageContentExtraction": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Glic",
"params": {
"capture_delay": "5s",
"on_critical_path": "true"
},
"enable_features": [
"AnnotatedPageContentExtraction"
]
}
]
}
],
"AnnotatedPageContentExtractionOnHideFix": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"AnnotatedPageContentExtractionOnHideFix"
]
}
]
}
],
"AnnotatedPageContentNonSalientFilteringHoldback": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"AnnotatedPageContentNonSalientFiltering"
]
}
]
}
],
"AnnotatedPageContentPDFTextExtraction": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"MaxPassagesFromPDF": "10",
"max_text_byte_size": "1048576"
},
"enable_features": [
"AnnotatedPageContentPDFTextExtraction",
"PDFEmbeddingsGeneration"
]
}
]
}
],
"AnnotatedPageContentsVirtualStructure": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AnnotatedPageContentsVirtualStructure"
]
}
]
}
],
"AntivirusTelemetryForDownloads": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled_20260826",
"enable_features": [
"AntivirusTelemetryForDownloads"
]
}
]
}
],
"AperitifHelpers": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AperitifHelpers"
]
}
]
}
],
"ApiGlicAccessFromPromotionPage": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ApiGlicAccessFromPromotionPage"
]
}
]
}
],
"AppListLaunchRecorder": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "AppListLaunchRecorder",
"enable_features": [
"EnableAppListLaunchRecording"
]
}
]
}
],
"AppMenuGlowUp": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AppMenuGlowUp"
]
}
]
}
],
"AppShimNotificationAttribution": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AppShimNotificationAttribution"
]
}
]
}
],
"ArcBlockIoScheduler": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"params": {
"data_block_io_scheduler": "true"
},
"enable_features": [
"ArcBlockIoScheduler"
],
"min_os_version": "15880.0.0"
}
]
}
],
"ArcVmInitThrottle3": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "throttle_to_50_percent",
"params": {
"quota": "50"
},
"enable_features": [
"CrOSLateBootArcVmInitialThrottle"
]
}
]
}
],
"ArcVmLowMemJemallocArenas": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"CrOSLateBootArcVmLowMemJemallocArenas"
]
}
]
}
],
"AsyncBeforeUnload": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"AsyncBeforeUnloadTimeout": "500ms"
},
"enable_features": [
"AsyncBeforeUnload"
]
}
]
}
],
"AsyncDnsLinux": [
{
"platforms": [
"linux"
],
"experiments": [
{
"name": "Enabled_20221111",
"enable_features": [
"AsyncDns"
]
}
]
}
],
"AsyncDnsQuicJob": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"AsyncDnsQuicJobFastFail": "true"
},
"enable_features": [
"AsyncDnsQuicJob"
]
}
]
}
],
"AsyncNavigationInterceptUnlaunch": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"AsyncNavigationIntercept"
]
}
]
}
],
"AsyncNotiicationmanager": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "EnableWithDownload",
"enable_features": [
"AsyncNotificationManager",
"AsyncNotificationManagerForDownload"
]
}
]
}
],
"AsyncThreadPoolInit": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"AsyncThreadPoolInit"
]
}
]
}
],
"AtMemoryDogfood": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"state": "2"
},
"enable_features": [
"AtMemoryMqlsLogging",
"AutofillAtMemory",
"AutofillAtMemoryDoubleCtrl",
"AutofillAtMemoryPreviouslyFilled",
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"name": "enabled_unlimited_20260420",
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"PartitionAllocSchedulerLoopQuarantineConfig": "{\"*\":{\"amsc\":{\"branch-capacity-in-bytes\":524288,\"enable-quarantine\":true,\"enable-zapping\":true,\"leak-on-destruction\":true}},\"browser\":{\"main\":{\"branch-capacity-in-bytes\":2147483647,\"enable-quarantine\":true,\"enable-task-controlled-purge\":true,\"enable-zapping\":true,\"leak-on-destruction\":false,\"pause-in-between-tasks\":true}},\"gpu-process\":{\"*\":{\"branch-capacity-in-bytes\":2147483647,\"enable-quarantine\":true,\"enable-task-controlled-purge\":true,\"enable-zapping\":true,\"leak-on-destruction\":false,\"pause-in-between-tasks\":true}},\"renderer\":{\"main\":{\"branch-capacity-in-bytes\":2147483647,\"enable-quarantine\":true,\"enable-task-controlled-purge\":true,\"enable-zapping\":true,\"leak-on-destruction\":false,\"pause-in-between-tasks\":true}}}",
"enabled-processes": "all-processes"
},
"enable_features": [
"PartitionAllocSchedulerLoopQuarantine",
"PartitionAllocWithAdvancedChecks"
],
"disable_features": [
"PartitionAllocSchedulerLoopQuarantineTaskObserverForBrowserUIThread"
],
"disable_benchmarking": true
}
]
}
],
"PartitionAllocParameterTuning": [
{
"platforms": [
"android_webview",
"chromeos",
"fuchsia",
"linux"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"BlinkUseLargeEmptySlotSpanRingForBufferRoot",
"PartitionAllocAdjustSizeWhenInForeground",
"PartitionAllocLargeEmptySlotSpanRing"
]
}
]
}
],
"PartitionAllocParameterTuningAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_20250305",
"enable_features": [
"BlinkUseLargeEmptySlotSpanRingForBufferRoot",
"PartitionAllocAdjustSizeWhenInForeground",
"PartitionAllocLargeEmptySlotSpanRing"
]
}
]
}
],
"PartitionAllocPermissiveMte": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PartitionAllocPermissiveMte"
]
}
]
}
],
"PartitionAllocTighterAlignedAllocBound": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PartitionAllocTighterAlignedAllocBound"
]
}
]
}
],
"PartitionAllocUnretainedDanglingPtr": [
{
"platforms": [
"android",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"mode": "dump_without_crashing"
},
"enable_features": [
"PartitionAllocUnretainedDanglingPtr"
]
}
]
}
],
"PartitionNetworkStateByNetworkAnonymizationKey": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"//0": "This feature has shipped for Chrome but not for ",
"//1": "Chromium embedders, so the corresponding feature ",
"//2": "flag value is false but we rely on this entry to ",
"//3": "enable the feature for most types of tests",
"name": "EnableFeatureForTests",
"enable_features": [
"PartitionConnectionsByNetworkIsolationKey"
],
"disable_features": []
}
]
}
],
"PassHistogramSharedMemoryOnLaunch": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PassHistogramSharedMemoryOnLaunch"
]
}
]
}
],
"PassageEmbeddingsPerformance": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"PassageEmbedder"
]
}
]
}
],
"PasskeyUnlockErrorUi": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_with_unlock_wording_20260212",
"params": {
"passkey_unlock_ui_experiment_arm": "text_with_unlock_wording"
},
"enable_features": [
"PasskeyUnlockErrorUi"
]
}
]
}
],
"PasswordCompromiseWarningInDetailsCard": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PasswordCompromiseWarningInDetailsCard"
]
}
]
}
],
"PasswordInfobarDisplayLength": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Sixteen_Seconds",
"params": {
"duration-seconds": "16"
},
"enable_features": [
"PasswordInfobarDisplayLength"
]
}
]
}
],
"PasswordManualFallbackSecurityChecks": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"fuchsia",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PasswordManualFallbackSecurityChecks"
]
}
]
}
],
"PasswordSaveInContextErrorResolution": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PasswordSaveInContextErrorResolution"
]
}
]
}
],
"PasswordSaveUpdateDropdownMenu": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"IPH_PasswordsSavePrimingPromo",
"IPH_PasswordsSaveRecoveryPromo",
"PasswordSaveUpdateDropdownMenuExperiment"
],
"disable_features": [
"ThreeButtonPasswordSaveDialog"
]
}
]
}
],
"Path2DPaintCache": [
{
"platforms": [
"android",
"android_webview",
"windows",
"mac",
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"Path2DPaintCache"
]
}
]
}
],
"PauseMediaOnSystemSleepAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PauseMediaOnSystemSleepAndroid"
]
}
]
}
],
"PaymentHandlerCameraAccessUx": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PaymentHandlerCameraAccessUx"
]
}
]
}
],
"PaymentHandlerDialogUseInitiatorInUrlLoadForAndroid": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PaymentHandlerDialogUseInitiatorInUrlLoad"
]
}
]
}
],
"PaymentRequestEnforceLNAWithClientSecurityState": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PaymentRequestEnforceLNAWithClientSecurityState"
]
}
]
}
],
"PaymentRequestMandatoryPaymentAppUi": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PaymentRequestMandatoryPaymentAppUi"
]
}
]
}
],
"PdfAccessibilityHeuristicEnhancements": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PdfAccessibilityHeuristicEnhancements"
]
}
]
}
],
"PdfBufferedPaintManager": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PdfBufferedPaintManager"
]
}
]
}
],
"PdfGetSaveDataInBlocks": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PdfGetSaveDataInBlocks"
]
}
]
}
],
"PdfInfoBar": [
{
"platforms": [
"mac",
"windows"
],
"experiments": [
{
"name": "MostlyLaunched",
"params": {
"trigger": "startup"
},
"enable_features": [
"PdfInfoBar"
]
}
]
}
],
"PdfInkSignaturesTextAnnotations": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "enabled",
"params": {
"text-annotations": "true"
},
"enable_features": [
"PdfInk2"
]
}
]
}
],
"PdfUseSkiaRenderer": [
{
"platforms": [
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"premultiplied-alpha": "true"
},
"enable_features": [
"PdfUseSkiaRenderer"
]
}
]
}
],
"PerProcessReclaim": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "EnabledGroupA_08222019",
"params": {
"GraphWalkBackoffTimeSec": "60",
"NodeInvisibleTimeSec": "360",
"NodeTrimBackoffTimeSec": "1200"
},
"enable_features": [
"TrimOnMemoryPressure"
]
}
]
}
],
"PeriodicScudoPurge": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_PeriodicAndBackground",
"params": {
"ScudoBackgroundPurgeDelay": "10s",
"ScudoEnableBackgroundPurge": "true",
"ScudoEnableForegroundPeriodic": "true",
"ScudoInitialPurgeDelay": "60s",
"ScudoPeriodicPurgeInterval": "60s"
},
"enable_features": [
"PeriodicScudoPurge"
]
}
]
}
],
"PermissionPredictionsGeolocationAccuracy": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PermissionPredictionsGeolocationAccuracy"
]
}
]
}
],
"PermissionsAIv4": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PermissionsAIv4"
]
}
]
}
],
"PermissionsGestureGatedPrompts": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "MuteGeolocation",
"params": {
"exclude_same_origin_navigations": "true",
"mute_geolocation": "true"
},
"enable_features": [
"PermissionsGestureGatedPrompts"
]
}
]
}
],
"PersonalContextStudy": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"personal_context_enable_fetch_context": "true"
},
"enable_features": [
"PersonalContext"
]
}
]
}
],
"PervasiveSharedDictionaries": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PervasiveSharedDictionaries"
]
}
]
}
],
"PictureInPictureMovesToolbarAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PictureInPictureMovesToolbarAndroid"
]
}
]
}
],
"PinExtensionJourney": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"en_site_id": "8RJXcn5t20ugnJ3q1cK0VLDGHPAz",
"probability": "1.0"
},
"enable_features": [
"HappinessTrackingSurveysForPinExtensionJourney",
"PinExtensionJourney"
]
}
]
}
],
"PinTimeoutMigration": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"CrOSLateBootMigrateToModernPin"
]
}
]
}
],
"PinweaverPasswords": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"CrOSLateBootPinweaverForPassword"
]
}
]
}
],
"PlatformRuntimeComponentStudy": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled_20260209",
"enable_features": [
"EnablePlatformRuntimeComponent"
]
}
]
}
],
"PointerLockOnAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PointerLockOnAndroid"
]
}
]
}
],
"PolicyBlocklistProceedUntilResponse": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Holdback",
"disable_features": [
"PolicyBlocklistProceedUntilResponse"
]
}
]
}
],
"PqcBandwidthExperiment": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_0",
"params": {
"AddTLSServerHandshakePaddingBytes": "0"
},
"enable_features": [
"AddTLSServerHandshakePadding"
]
}
]
}
],
"PreFirstRunDesktopRefresh": [
{
"platforms": [
"windows",
"linux",
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreFirstRunDesktopRefresh"
]
}
]
}
],
"PrecomputeSiteInfo": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260127",
"enable_features": [
"PrecomputeSiteInfo"
]
}
]
}
],
"PreconnectCreateNewTab": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_Nonstable_20230531",
"enable_features": [
"PreconnectOnTabCreation"
]
}
]
}
],
"PreconnectFromKeyedService": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "EnabledWithOTRtrue_20250724_Stable",
"params": {
"IdleTimeoutInSeconds": "30",
"MaxPreconnectRetryInterval": "30",
"MaxShortSessionThreshold": "30s",
"PingIntervalInSeconds": "27",
"QuicConnectionOptions": "ECCP",
"run_on_otr": "true"
},
"enable_features": [
"PreconnectFromKeyedService"
]
}
]
}
],
"PreconnectManagerDirectFastPath": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreconnectManagerDirectFastPath"
]
}
]
}
],
"PreconnectToSearchDesktop": [
{
"platforms": [
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "EnabledWithStartupDelayForegroundOnly",
"params": {
"skip_in_background": "true",
"startup_delay_ms": "5000"
},
"enable_features": [
"PreconnectToSearch"
]
}
]
}
],
"PredictionModelComponentDelivery": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"targets": "20"
},
"enable_features": [
"PredictionModelComponentDelivery"
]
}
]
}
],
"PreemptiveSodaDownload": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreemptiveSodaDownload"
]
}
]
}
],
"PreferWarmRendererProcess": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreferWarmRendererProcess"
]
}
]
}
],
"PrefetchActivationBeacon": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PrefetchActivationBeacon",
"PrerenderActivationBeacon"
]
}
]
}
],
"PrefetchBookmarkBarTrigger": [
{
"platforms": [
"linux",
"mac",
"windows",
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"BookmarkTriggerForPrefetch"
]
}
]
}
],
"PrefetchCancelUnrelatedPrefetch": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_Cancel_NotServable",
"params": {
"prefetch_cancel_unrelated_prefetch_cancel_policy": "NotServable",
"unblock_async_policy": "AsyncBlocked"
},
"enable_features": [
"PrefetchCancelUnrelatedPrefetch",
"PrefetchMatchResolverUnblockAsync"
]
}
]
}
],
"PrefetchMultipleActiveSetSizeLimitForBase": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_2",
"params": {
"prefetch_multiple_active_set_size_limit_for_base_value": "2"
},
"enable_features": [
"PrefetchMultipleActiveSetSizeLimitForBase"
]
}
]
}
],
"PrefetchTimeoutForWebViewPrefetch": [
{
"platforms": [
"android_webview"
],
"experiments": [
{
"name": "Enabled_2000ms",
"params": {
"prefetch_timeout_ms": "2000"
},
"enable_features": [
"PrefetchUseContentRefactor"
]
}
]
}
],
"PreloadActivationReportWithExtensionInterception": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreloadActivationReportWithExtensionInterception"
]
}
]
}
],
"PreloadMediaEngagementData": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreloadMediaEngagementData"
]
}
]
}
],
"PreloadingRespectUserAgentOverride": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreloadingRespectUserAgentOverride",
"RespectUserAgentOverrideInSearchPrefetch"
]
}
]
}
],
"PrepopulatedEnginesMigration": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260320",
"enable_features": [
"ApplySearchEngineTypeMigration",
"PrepopulatedEnginesMigration"
]
}
]
}
],
"Prerender2EarlyDocumentLifecycleUpdateV2": [
{
"platforms": [
"linux",
"mac",
"windows",
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"Prerender2EarlyDocumentLifecycleUpdate"
]
}
]
}
],
"Prerender2FallbackPrefetchSpecRules": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled_NoTimeout_Burst",
"params": {
"kPrerender2FallbackPrefetchSchedulerPolicy": "Burst",
"kPrerender2FallbackPrefetchUseBlockUntilHeadTimetout": "false"
},
"enable_features": [
"Prerender2FallbackPrefetchSpecRules"
]
}
]
}
],
"PreventSaveUpdatePasswordOnFederatedLogin": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows",
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreventPasswordManagerOnFederatedLogin"
]
}
]
}
],
"PreviewHandwritingGesture": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreviewHandwritingGesture"
]
}
]
}
],
"PrewarmZeroSuggestTrigger": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_WithDisableOnStartup",
"enable_features": [
"PrewarmDisableOnStartup",
"PrewarmZeroSuggestTrigger"
]
}
]
}
],
"PriceTrackingDesktopExpansionStudy": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PriceTrackingSubscriptionServiceLocaleKey",
"ShoppingList"
]
}
]
}
],
"PriceTrackingPageActionIconLabelFeatureIPH": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"availability": "any",
"event_trigger": "name:price_tracking_page_action_icon_label_in_trigger;comparator:==0;window:1;storage:365",
"event_used": "name:used;comparator:any;window:365;storage:365",
"session_rate": "any"
},
"enable_features": [
"IPH_PriceTrackingPageActionIconLabelFeature"
],
"disable_features": []
}
]
}
],
"PrioritizeMainFrameNavigationNetworkResponse": [
{
"platforms": [
"android",
"android_webview",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PrioritizeMainFrameNavigationNetworkResponse"
]
}
]
}
],
"PrivateAI": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ZeroStateSuggestionsUsePrivateAi"
]
}
]
}
],
"PrivateInsights": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"fcp_population_name_contextual_cues": "chrome/private_insights/contextual_cues",
"fcp_server_uri": "https://federatedcompute-pa.googleapis.com/",
"fcp_use_attestation_transparency_verifier": "true",
"upload_interval": "10m"
},
"enable_features": [
"PrivateInsightsFeature"
]
}
]
}
],
"ProactivePasswordProtection": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"CsdProactivePasswordProtectionSampleRate": "1.0"
},
"enable_features": [
"ProactivePasswordProtection"
]
}
]
}
],
"ProcessHtmlDataImmediately": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "AllChunks",
"params": {
"first": "true",
"main": "true",
"rest": "true"
},
"enable_features": [
"ProcessHtmlDataImmediately"
]
}
]
}
],
"ProcessReuseOnPrerenderCOOPSwapAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ProcessReuseOnPrerenderCOOPSwap"
]
}
]
}
],
"ProfileLoadTracker": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ProfileLoadTracker"
]
}
]
}
],
"ProfilesReordering": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ProfilesReordering"
]
}
]
}
],
"ProgressiveAccessibilityPhase2": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ProgressiveAccessibilityPhase2"
]
}
]
}
],
"ProtectedAudienceDeprecation": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Disabled_20260803",
"disable_features": [
"AdInterestGroupAPI",
"Fledge"
]
}
]
}
],
"PushMessagingDisallowSenderIDs": [
{
"platforms": [
"android",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PushMessagingDisallowSenderIDs"
]
}
]
}
],
"PushMessagingGcmEndpointWebpushPath": [
{
"platforms": [
"android",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_Dogfood",
"enable_features": [
"PushMessagingGcmEndpointWebpushPath"
]
}
]
}
],
"QuicSocketSendBufferSize": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"fuchsia",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"QuicSocketSendBufferSizeParam": "1048576"
},
"enable_features": [
"QuicSocketSendBufferSize"
]
}
]
}
],
"ReactivePrefetchAndroidDiscardBody": [
{
"platforms": [
"android"
],
"experiments": [
{
"//0": "This experiment is only enabled on Android,",
"//1": "because only android has the",
"//2": "LoadingPredictorPrefetch feature enabled by",
"//3": "default. On other platforms it would conflict",
"//4": "with the ReactivePrefetchDesktop experiment.",
"name": "Enabled",
"enable_features": [
"LoadingPredictorPrefetchUseReadAndDiscardBody"
]
}
]
}
],
"ReadAloudAppMenuIPH": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "ReadAloudAppMenuIPHEnabled",
"params": {
"availability": "any",
"event_trigger": "name:read_aloud_app_menu_iph_trigger;comparator:==0;window:30;storage:90",
"event_used": "name:read_aloud_app_menu_pressed;comparator:==0;window:30;storage:90",
"session_rate": "any"
},
"enable_features": [
"IPH_ReadAloudAppMenuFeature"
]
}
]
}
],
"ReadAnythingDistillationQualityEvaluation": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ReadAnythingDistillationQualityEvaluation"
]
}
]
}
],
"ReadAnythingDistillerRefactor": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ReadAnythingDistillerRefactor"
]
}
]
}
],
"ReadAnythingIPHRollout": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"availability": "any",
"distillable_urls": "support.google.com,docs.google.com",
"event_trigger": "name:iph_reading_mode_side_panel_trigger;comparator:<=3;window:360;storage:360",
"event_used": "name:reading_mode_side_panel_shown;comparator:==0;window:360;storage:360",
"session_rate": "==0"
},
"enable_features": [
"IPH_ReadingModeSidePanel"
]
}
]
}
],
"ReadAnythingImprovedUi": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ReadAnythingImprovedUi"
]
}
]
}
],
"ReadAnythingMenuShuffleExperiment": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "EnabledWithSeparation",
"params": {
"read_anything_menu_shuffle_group_name": "MenuShuffleSeparation"
},
"enable_features": [
"ReadAnythingMenuShuffleExperiment"
]
}
]
}
],
"ReadAnythingOmnibox": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"IPH_ReadingModePageActionLabel",
"ReadAnythingOmniboxChip"
]
}
]
}
],
"RealboxVirtualFocusNavigation": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"form_factors": [
"desktop"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RealboxVirtualFocusNavigation"
]
}
]
}
],
"RebindServiceBatchApi": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RebindServiceBatchApi",
"RebindingChildServiceConnectionController"
]
}
]
}
],
"RecordLockAcquisitionTimeStudy": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260721",
"params": {
"RecordLockAcquisitionTimeAllowedThreads": "CrBrowserMain,CrRendererMain,CrGpuMain,VizCompositor,Compositor,BrowserIO,NetworkService,GPU.ForegroundWorker,GPU.BackgroundWorker,Renderer.ForegroundWorker,Renderer.BackgroundWorker,Browser.ForegroundWorker,Browser.BackgroundWorker"
},
"enable_features": [
"RecordLockAcquisitionTime"
]
}
]
}
],
"RecoverTabsOfLastClosedWindow": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RecoverTabsOfLastClosedWindow"
]
}
]
}
],
"RedWarningSurvey": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "RedInterstitial_20241212",
"params": {
"RedWarningSurveyDidProceedFilter": "TRUE,FALSE",
"RedWarningSurveyTriggerId": "ZdMdCoDc50ugnJ3q1cK0VwqVnKb6",
"probability": "1.0"
},
"enable_features": [
"RedWarningSurvey"
]
}
]
}
],
"RedWarningSurveyAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "RedInterstitialAndroid_20260817",
"params": {
"RedWarningSurveyAndroidHeedTriggerId": "mEt9WGQW70tK1KeaPYj0PTxM5Wnt",
"RedWarningSurveyAndroidProceedTriggerId": "wfaSygGGJ0tK1KeaPYj0WwvBHcxH",
"probability": "1.0"
},
"enable_features": [
"RedWarningSurveyAndroid"
]
}
]
}
],
"ReduceAcceptLanguage": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ReduceAcceptLanguage"
]
}
]
}
],
"ReduceAcceptLanguageHTTP": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ReduceAcceptLanguageHTTP"
]
}
]
}
],
"ReduceMojoURLLoaderFactoryCloning": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"UseLazyURLLoaderFactoryForServiceWorkerFallback": "true",
"UseLazyURLLoaderFactoryForSubresourceProxying": "true"
},
"enable_features": [
"ReduceMojoURLLoaderFactoryCloning"
]
}
]
}
],
"RelaunchWaitForParentProcess": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RelaunchWaitForParentProcess"
]
}
]
}
],
"RemoteActorCredentialSharing": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RemoteActorCredentialSharing"
]
}
]
}
],
"RendererProcessLimitOnAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"params": {
"count": "42"
},
"enable_features": [
"RendererProcessLimitOnAndroid"
]
}
]
}
],
"RequiresLoadIgnoreLimitsForDomWindowsOnly": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RequiresLoadIgnoreLimitsForDomWindowsOnly"
]
}
]
}
],
"ResampleScrollEventsForFling": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ResampleScrollEventsForFling"
]
}
]
}
],
"RestrictPendingInputEventTypeToBlockMainThread": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"RestrictPendingInputEventType"
]
}
]
}
],
"ResumeNavigationWithSpeculativeRFHProcessGone": [
{
"platforms": [
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ReportStuckThrottle",
"ResumeNavigationWithSpeculativeRFHProcessGone"
]
}
]
}
],
"RichInlineAutocompleteIOS": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"params": {
"RichAutocompletionAutocompleteShortcutTextMinChar": "3",
"RichAutocompletionAutocompleteTitlesMinChar": "3",
"RichAutocompletionParam": "TextField"
},
"enable_features": [
"OmniboxRichAutocompletion"
]
}
]
}
],
"RicherImageSuggestions": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "DirectNavigationInRealbox_20260928",
"enable_features": [
"ComposeboxRichImageSuggestionsRealbox"
],
"disable_features": [
"ComposeboxRichImageSuggestionsOmnibox"
]
}
]
}
],
"RoundedWindows": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "RoundedWindowsEnabled",
"enable_features": [
"FeatureManagementRoundedWindows"
]
}
]
}
],
"SPCLocaleValidation": [
{
"platforms": [
"android",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SPCLocaleValidation"
]
}
]
}
],
"SQLitePersistentCookieStoreEarlyInit": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"check_disk": "true"
},
"enable_features": [
"SQLitePersistentCookieStoreEarlyInit"
]
}
]
}
],
"SafeBrowsingDailyPhishingReportsLimit": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"kMaxReportsPerIntervalESB": "10"
},
"enable_features": [
"SafeBrowsingDailyPhishingReportsLimit"
]
}
]
}
],
"SafeBrowsingExtensionTelemetrySearchHijackingSignal": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"HeuristicCheckIntervalSeconds": "28800",
"HeuristicThreshold": "2"
},
"enable_features": [
"SafeBrowsingExtensionTelemetrySearchHijackingSignal"
]
}
]
}
],
"SafeBrowsingLocalListsUseSBv5": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SafeBrowsingLocalListsUseSBv5"
]
}
]
}
],
"SafeBrowsingWaitForDnsForRealTimeLookup": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SafeBrowsingWaitForDnsForRealTimeLookup"
]
}
]
}
],
"SafetyCheckUnusedSitePermissions": [
{
"platforms": [
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SafetyCheckUnusedSitePermissions"
]
}
]
}
],
"SafetyHubIncreasePasswordCheckFrequencyV2": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows",
"ios"
],
"experiments": [
{
"name": "Enabled",
"params": {
"background-password-check-interval": "2d",
"password-check-mon-weight": "5",
"password-check-sat-weight": "9",
"password-check-sun-weight": "9"
},
"enable_features": [
"SafetyHub"
]
}
]
}
],
"SafetyHubUnusedPermissionRevocationForAllSurfaces": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SafetyHubUnusedPermissionRevocationForAllSurfaces"
]
}
]
}
],
"SandboxedProcessServiceLimitOnAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SandboxedProcessServiceLimitOnAndroid"
]
}
]
}
],
"ScheduledRestart": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ScheduledRestart"
]
}
]
}
],
"SchoolToolsBocaPollingInterval": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled_0",
"params": {
"InSessionPollingIntervalInSeconds": "0",
"IndefinitePollingIntervalInSeconds": "0"
},
"enable_features": [
"BocaCustomPolling"
]
}
]
}
],
"ScrollJankHoldback": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Holdback_20260811",
"params": {
"max_resample_time": "20ms"
},
"enable_features": [
"ResamplingScrollEvents"
],
"disable_features": [
"InputOnViz",
"InputVizardSpeculativeTransfer",
"ScrollPredictorRefinedHasPrediction",
"UpdateScrollPredictorInputMapping",
"WaitForLateScrollEvents"
]
}
]
}
],
"ScrollJankV4MetricFastScrollContinuityRequiresSameDirection": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ScrollJankV4MetricFastScrollContinuityRequiresSameDirection"
]
}
]
}
],
"ScrollJankV4MetricReportAndroidAppJankStats": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ScrollJankV4MetricReportAndroidAppJankStats"
]
}
]
}
],
"ScrollPredictorEnhancements": [
{
"platforms": [
"android_webview"
],
"experiments": [
{
"name": "ResampleLimit35ms_WebView_20261001",
"params": {
"max_resample_time": "35ms"
},
"enable_features": [
"ResamplingScrollEvents",
"ScrollPredictorRefinedHasPrediction"
]
}
]
}
],
"SeaPenUseExptTemplate": [
{
"platforms": [
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SeaPenUseExptTemplate"
]
}
]
}
],
"SearchEngineExplicitChoiceDialog": [
{
"platforms": [
"windows",
"mac"
],
"experiments": [
{
"name": "Enabled",
"params": {
"unlimited_shows": "false"
},
"enable_features": [
"SearchEngineExplicitChoiceDialog",
"SearchEngineUnconditionalDialog"
]
}
]
}
],
"SearchInCCT": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"params": {
"omnibox_allowed_package_names": "org.chromium.customtabsclient"
},
"enable_features": [
"SearchInCCT"
]
}
]
}
],
"SearchPromotionIPH": [
{
"platforms": [
"windows"
],
"experiments": [
{
"//0": "Prod-like config: trigger at most once (==0), only if never accepted (used == 0), and session_rate is 0.",
"name": "Enabled_Install",
"params": {
"action": "install",
"availability": "any",
"event_trigger": "name:search_promotion_trigger;comparator:==0;window:360;storage:360",
"event_used": "name:search_promotion_accepted;comparator:==0;window:360;storage:360",
"extension_id": "dakcooigljlhlgibgdfadgphfnoooacj",
"instructions_url": "https://www.google.com/chrome/landing/google-search-extension-edge/",
"session_rate": "==0"
},
"enable_features": [
"IPH_SearchPromotionFeature"
]
}
]
}
],
"SearchSettingsUpdateV2": [
{
"platforms": [
"android",
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SearchSettingsUpdateV2"
]
}
]
}
],
"SecurePaymentConfirmationCredentialDiscoveryMode": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"mode": "hybrid"
},
"enable_features": [
"SecurePaymentConfirmationCredentialDiscoveryMode"
]
}
]
}
],
"SegmentationPlatformURLVisitResumptionRanker": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"params": {
"use_random_score": "true"
},
"enable_features": [
"SegmentationPlatformURLVisitResumptionRanker"
]
}
]
}
],
"SensorsAllowAskBlockPermissionModel": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SensorsAllowAskBlockPermissionModel"
]
}
]
}
],
"ServeJavaCachedZeroSuggest": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"ServeJavaCachedZeroSuggest"
]
}
]
}
],
"ServiceWorkerDatabaseDoomOnMissingNextId": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260901",
"enable_features": [
"ServiceWorkerDatabaseDoomOnMissingNextId"
]
}
]
}
],
"ServiceWorkerDumpWithoutCrashingOnStorageKeyMismatch": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ServiceWorkerDumpWithoutCrashingOnStorageKeyMismatch"
]
}
]
}
],
"ServiceWorkerRaceNetworkRequestDeprecateTwoPhaseWrite": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ServiceWorkerRaceNetworkRequestDeprecateTwoPhaseWrite"
]
}
]
}
],
"ServiceWorkerRaceNetworkRequestFallbackOnDisconnect": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ServiceWorkerRaceNetworkRequestFallbackOnDisconnect"
]
}
]
}
],
"ServiceWorkerSyntheticResponse": [
{
"platforms": [
"android",
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "EnabledWithNetworkServiceDelegation",
"params": {
"off_main_thread": "network_service"
},
"enable_features": [
"ServiceWorkerSyntheticResponse",
"URLLoaderUseProvidedResponseBodyStream"
]
}
]
}
],
"SettingsInTab": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SettingsInTab"
]
}
]
}
],
"ShareEventArgsOnDispatch": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ShareEventArgsOnDispatch"
]
}
]
}
],
"SharedHighlightingIphClank": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"params": {
"availability": "any",
"event_1": "name:iph_shared_highlighting_receiver_trigger;comparator:==0;window:7;storage:360",
"event_trigger": "name:iph_shared_highlighting_receiver_trigger;comparator:<5;window:360;storage:360",
"event_used": "name:iph_shared_highlighting_used;comparator:<2;window:360;storage:360",
"session_rate": "any"
},
"enable_features": [
"IPH_SharedHighlightingBuilder",
"IPH_SharedHighlightingReceiver"
]
}
]
}
],
"SharedHighlightingIphDesktop": [
{
"platforms": [
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"availability": "any",
"event_1": "name:iph_desktop_shared_highlighting_trigger;comparator:==0;window:7;storage:360",
"event_trigger": "name:iph_desktop_shared_highlighting_trigger;comparator:<5;window:360;storage:360",
"event_used": "name:iph_desktop_shared_highlighting_used;comparator:<2;window:360;storage:360",
"session_rate": "any"
},
"enable_features": [
"IPH_DesktopSharedHighlighting"
]
}
]
}
],
"SharedMemorySystemProfileMinidump": [
{
"platforms": [
"android",
"chromeos",
"linux",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SharedMemorySystemProfileMinidump"
]
}
]
}
],
"SharedStorageDeprecation": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Disabled",
"disable_features": [
"SharedStorageAPI"
]
}
]
}
],
"SharedTabGroups": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "JoinOnlyEnabled",
"enable_features": [
"DataSharingJoinOnly"
]
}
]
}
],
"SharedTabGroupsIOS": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"DataSharing",
"DataSharingJoinOnly"
]
}
]
}
],
"SharingHubDesktopScreenshots": [
{
"platforms": [
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"DesktopScreenshots"
]
}
]
}
],
"ShowSearchEngineChoiceScreenAfterWiping": [
{
"platforms": [
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"WipeChoicePrefsOnMissingDefaultSearchEngine"
]
}
]
}
],
"ShowSuggestionsOnAutofocus": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ShowSuggestionsOnAutofocus"
]
}
]
}
],
"ShutdownPreNativeThreadPoolAfterStartupInBackground": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ShutdownPreNativeThreadPoolAfterStartup"
]
}
]
}
],
"SigninButtonProfileMenu": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SigninButtonProfileMenu"
]
}
]
}
],
"SimdutfBase64Encode": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SimdutfBase64Encode"
]
}
]
}
],
"SimpleCachePrefetchExperiment2": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled_32KiB",
"params": {
"FullPrefetchBytes": "32768",
"PrefetchDiskCacheOnly": "true",
"TrailerPrefetchSpeculativeBytes": "10240"
},
"enable_features": [
"SimpleCachePrefetchExperiment2"
]
}
]
}
],
"SimplifiedHindiModel": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260515",
"enable_features": [
"TranslateSimplifiedHindi"
]
}
]
},
{
"platforms": [
"android",
"ios"
],
"experiments": [
{
"name": "Enabled_20260603",
"enable_features": [
"TranslateSimplifiedHindi"
]
}
]
}
],
"SingleAxisScrollContainers": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SingleAxisScrollContainers"
]
}
]
}
],
"SingleVideoFrameRateThrottling": [
{
"platforms": [
"chromeos",
"fuchsia",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SingleVideoFrameRateThrottling"
]
}
]
}
],
"SkiaGraphite": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"params": {
"dawn_backend_validation": "false",
"dawn_skip_validation": "true"
},
"enable_features": [
"SkiaGraphite"
]
}
]
},
{
"platforms": [
"android",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"dawn_backend_validation": "false",
"dawn_skip_validation": "true",
"dawn_use_persistent_cache": "true"
},
"enable_features": [
"SkiaGraphite"
]
}
]
}
],
"SkiaGraphiteDrawListLayer": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkiaGraphiteDrawListLayer"
]
}
]
}
],
"SkiaGraphiteSmallPathAtlas": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"params": {
"min_path_size_for_msaa": "32"
},
"enable_features": [
"SkiaGraphiteSmallPathAtlas"
]
}
]
}
],
"SkiaGraphiteUsePersistentCache": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkiaGraphiteUsePersistentCache"
]
}
]
}
],
"SkiaGraphiteWinIntel": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"dawn_backend_validation": "false",
"dawn_skip_validation": "true"
},
"enable_features": [
"SkiaGraphiteWinIntel"
]
}
]
}
],
"Skills": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkillsEnabled"
]
}
]
}
],
"SkillsV2": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkillsWebViewV2Enabled"
]
}
]
}
],
"SkipDefaultBrowserPromoInFirstRun": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkipDefaultBrowserPromoInFirstRun"
]
}
]
}
],
"SkipImageClassificationScoringForNonPageLoadTriggers": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkipImageClassificationScoringForNonPageLoadTriggers"
]
}
]
}
],
"SkipModerateMemoryPressureLevelMac": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkipModerateMemoryPressureLevelMac"
]
}
]
}
],
"SkipPostTaskForCallbacks": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SkipPostTaskForCallbacks"
]
}
]
}
],
"SmartRestartLockScreen": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"lock_bypass_beforeunload_threshold": "101.0",
"lock_disruption_threshold": "2",
"lock_restart_delay": "2m",
"lock_tab_threshold": "-1"
},
"enable_features": [
"SmartRestartLockScreen"
]
}
]
}
],
"SmartSuggestions": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"GlicSelectionPrompt"
]
}
]
}
],
"SmartTabSharing_Desktop": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"ContextualTasksContextSmartTabSharing": "true",
"ContextualTasksEnablePreviousTabFallback": "true"
},
"enable_features": [
"ContextualTasksContext",
"ContextualTasksContextLogging",
"ContextualTasksContextMqlsLogging"
]
}
]
}
],
"SmartZoom": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SmartZoom"
]
}
]
}
],
"SpeculationRulesPrefetchLimitsForEagerModerateAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_6",
"params": {
"max_number_of_eager_prefetches_per_page": "6",
"max_number_of_moderate_prefetches_per_page": "6"
},
"enable_features": [
"PrefetchEagerLimit",
"PrefetchModerateLimit"
]
}
]
}
],
"SpeculativeImageDecodes": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"PreventDuplicateImageDecodes",
"SpeculativeImageDecodes"
]
}
]
}
],
"SpeculativeServiceWorkerWarmUp": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_05m_05c_20250214",
"params": {
"sw_warm_up_duration": "5m",
"sw_warm_up_max_count": "5",
"sw_warm_up_on_idle_timeout": "false",
"sw_warm_up_request_queue_length": "100"
},
"enable_features": [
"SpeculativeServiceWorkerWarmUp"
]
}
]
}
],
"SpeedUpClearSiteDataCacheDeletion": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"DisablePartialStorageCleanupForGPUDiskCache",
"LogicalClearHttpCache"
]
}
]
}
],
"SplitCacheByNetworkIsolationKey": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"//0": "This feature has shipped for Chrome but not for ",
"//1": "Chromium embedders, so the corresponding feature ",
"//2": "flag value is false but we rely on this entry to ",
"//3": "enable the feature for most types of tests",
"name": "EnableFeatureForTests",
"enable_features": [
"SplitCacheByNetworkIsolationKey"
]
}
]
}
],
"SplitViewHorizontalDirectTabAccess": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "EnabledDirectTabAccess_20260902",
"params": {
"split_view_horizontal_direct_tab_access": "true"
},
"enable_features": [
"SplitViewHorizontal"
]
}
]
}
],
"SplitscreenVersusFullScreenForNewWindows": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"params": {
"open_adjacently": "false"
},
"enable_features": [
"RobustWindowManagementExperimental"
]
}
]
}
],
"StartSurfaceUserSetting": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"StartSurfaceUserSetting"
]
}
]
}
],
"StatefulMemoryPressure": [
{
"platforms": [
"android",
"android_webview",
"chromeos"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"StatefulMemoryPressure"
]
}
]
}
],
"StopInBackground": [
{
"platforms": [
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"params": {
"DelayForBackgroundTabFreezingMills": "1800000"
},
"enable_features": [
"stop-in-background"
]
}
]
}
],
"StreamlineRendererInit": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"StreamlineRendererInit"
]
}
]
}
],
"StructuredHeadersInRust": [
{
"platforms": [
"android",
"android_webview",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260730",
"enable_features": [
"StructuredHeadersInRust"
]
}
]
}
],
"SubmenusInAppMenuLff": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_20260714",
"enable_features": [
"SubmenusInAppMenuLff"
]
}
]
}
],
"SuspiciousSiteWarnings": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled_20260928",
"params": {
"SuspiciousSiteWarningSurveyHeedTriggerId": "LZD24fmuf0tK1KeaPYj0Z79hw2qC",
"SuspiciousSiteWarningSurveyProceedTriggerId": "HguD8vrc50tK1KeaPYj0R37AzmWa",
"probability": "1.0"
},
"enable_features": [
"SuspiciousSiteWarningSurvey",
"SuspiciousSiteWarnings"
]
}
]
},
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SuspiciousSiteWarnings"
]
}
]
}
],
"SwiftShaderDeprecation": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "WarpDisabledForWindowsTests",
"disable_features": [
"AllowD3D11WarpFallback"
]
}
]
}
],
"SyncIncreaseNudgeDelayForSingleClient": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "EnabledFactor2",
"params": {
"SyncIncreaseNudgeDelayForSingleClientFactor": "2.0"
},
"enable_features": [
"SyncIncreaseNudgeDelayForSingleClient"
]
}
]
}
],
"SyncNigoriImplicitPassphraseMigration": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SyncMigrateFromImplicitPassphrase"
]
}
]
}
],
"SyncThemesIos": [
{
"platforms": [
"ios"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SyncThemesIos"
]
}
]
}
],
"SyncTrustedVaultErrorMessageDuration": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SyncTrustedVaultErrorMessageDuration"
]
}
]
}
],
"SyncUsePropagatedAccessToken": [
{
"platforms": [
"android",
"chromeos",
"ios",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SyncUsePropagatedAccessToken"
]
}
]
}
],
"SystemCaptionStyleCaching": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"SystemCaptionStyleCaching"
]
}
]
}
],
"SystemPdhMetrics": [
{
"platforms": [
"windows"
],
"experiments": [
{
"name": "Enabled",
"params": {
"system_pdh_metrics_downsampling_factor": "20",
"system_pdh_metrics_metrics_per_process": "3",
"system_pdh_metrics_sampling_period": "30s"
},
"enable_features": [
"SystemPdhMetrics"
]
}
]
}
],
"TabAndroidGracefulShutdown": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabAndroidGracefulShutdown"
]
}
]
}
],
"TabGroupColorRefresh": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabGroupColorRefresh"
]
}
]
}
],
"TabGroupSuggestions": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"params": {
"consecutive_computation_delay_sec": "0",
"create_suggestions_promotion_ui": "false",
"group_suggestion_enable_similar_source": "true",
"group_suggestion_enable_switch_between": "true",
"group_suggestion_enable_tab_switcher_only": "false",
"group_suggestion_trigger_calculation_on_page_load": "false",
"show_when_not_clicked_in_last_day": "false",
"throttle_on_new_tab": "false"
},
"enable_features": [
"ContextualPageActionTabGrouping",
"GroupSuggestionService",
"TabSwitcherGroupSuggestionsAndroid"
]
}
]
}
],
"TabGroupsFocusing": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabGroupsFocusing"
]
}
]
}
],
"TabHoverCardImagesMacArm": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabHoverCardImages"
]
}
]
}
],
"TabSearchPerformanceImprovements": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_20260903",
"enable_features": [
"TabSearchPerformanceImprovements"
]
}
]
}
],
"TabSharingToolbarAndroid": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabSharingToolbarAndroid"
]
}
]
}
],
"TabStorageSqlitePrototype": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabStorageSqlitePrototype"
]
}
]
}
],
"TabStripStopSpinnerOnLoadStop": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TabStripStopSpinnerOnLoadStop"
]
}
]
}
],
"TabSwitcherButtonSwitchIncognitoIPH": [
{
"platforms": [
"android"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"IPH_TabSwitcherButtonSwitchIncognito"
],
"disable_features": []
}
]
}
],
"TaskInfoMetricsMac": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"params": {
"task_info_metrics_mac_downsampling_factor": "20",
"task_info_metrics_mac_sampling_period": "30s"
},
"enable_features": [
"TaskInfoMetricsMac"
]
}
]
}
],
"TcpPortRandomizationMac": [
{
"platforms": [
"mac"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TcpPortRandomizationMac"
]
}
]
}
],
"TextClassifierTimeout": [
{
"platforms": [
"android",
"android_webview"
],
"experiments": [
{
"name": "Enabled",
"params": {
"timeout_ms": "200"
},
"enable_features": [
"TextClassifierTimeout"
]
}
]
}
],
"TextSafetyScanLanguageDetection": [
{
"platforms": [
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"TextSafetyScanLanguageDetection"
]
}
]
}
],
"ThemeChangeOptimization": [
{
"platforms": [
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled",
"enable_features": [
"ColorIdCssStyleSheetOptimization",
"ThemeChangeOptimization"
]
}
]
}
],
"ThreadPoolForegroundBlockingTimeouts": [
{
"platforms": [
"android",
"chromeos",
"linux",
"mac",
"windows"
],
"experiments": [
{
"name": "Enabled_Moderate",
"params": {
"BlockedWorkersPoll": "600ms",
"MayBlockThreshold": "500ms"
},
"enable_features": [
"ThreadPoolForegroundBlockingTimeouts"
]
}
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