What's new in macOS 27.2 beta 3 (26B5101f) · Mac17,9

Previous releasemacOS 27.2 beta 226B5091gMac17,9 · Released on Sep 21, 2026

This releasemacOS 27.2 beta 326B5101fMac17,9 · Released on Oct 5, 2026

Compared sources8app_os, dyld_cache, exclave_cache, exclave_os, filesystem, kernelcache, rosetta_os, system_os

New and removed binaries

By firmware source. Only sources both builds index completely are compared.

5 added · 3 removed

Source	Change	Logical path	Size	Records
dyld_cache	Added	/System/Library/PrivateFrameworks/PommesRanking.framework/Versions/A/PommesRanking	16.1 KiB	53
dyld_cache	Added	/System/Library/PrivateFrameworks/SpotlightUIRanking.framework/Versions/A/SpotlightUIRanking	32.2 KiB	10
dyld_cache	Added	/System/Library/PrivateFrameworks/TipsFoundation.framework/Versions/A/TipsFoundation	81.9 KiB	71
dyld_cache	Removed	/System/Library/Frameworks/FoundationModelsCore.framework/Versions/A/FoundationModelsCore	32.5 KiB	26
dyld_cache	Removed	/System/Library/PrivateFrameworks/MTInferenceToolLib.framework/Versions/A/MTInferenceToolLib	265.8 KiB	662
filesystem	Added	/System/Library/Frameworks/HomeKit.framework/PlugIns/HomeKitDiagnosticExtension.appex/Contents/MacOS/HomeKitDiagnosticExtension	1.1 MiB	3,279
filesystem	Added	/System/Library/Settings/SuggestedActionsSettings.settings/Contents/MacOS/SuggestedActionsSettings	212.4 KiB	114
filesystem	Removed	/System/Library/DistributedEvaluation/Plugins/PMLDESPlugin.desPlugin/Contents/MacOS/PMLDESPlugin	262.3 KiB	355

New frameworks and dylibs

Added framework binaries and dynamic libraries.

3 frameworks · 0 dylibs

Frameworks

Dylibs

No new dylib.

Entitlement keys

Top-level keys no binary held before, and keys no binary holds any more. Compare entitlements

9 new · 4 removed

New keys

com.apple.generativeexperiences.availabilityService.updateVersionGatingRules 1 holder
com.apple.maps.suggestions.donations 1 holder
com.apple.maps.suggestions.predictions 1 holder
com.apple.maps.suggestions.sources 1 holder
com.apple.private.avfoundation.capture.toggle-continuity-capture 2 holders
com.apple.private.homekit.delegate-granting 1 holder
com.apple.private.menubar.hide-live-activity-settings 1 holder
com.apple.rapport.AccessPolicy 1 holder
com.apple.security.hardened-process.vfs.resolve-flags 6 holders

Removed keys

com.apple.AXMediaUtilitiesService-access 2 holders before
com.apple.security.hardened-process.checked-allocation 1 holder before
com.apple.security.hardened-processs.checked-allocations.soft-mode 1 holder before
com.apple.siri.invoke 1 holder before

New Objective-C classes

The binaries gaining the most classes, compared exactly. Every binary whose classes changed

210 binaries changed

Binary	New	Removed	Classes
filesystem /System/Library/Frameworks/HomeKit.framework/PlugIns/HomeKitDiagnosticExtension.appex/Contents/MacOS/HomeKitDiagnosticExtension New binary	64	0	`HMCAMDBlockManagerHMCAMDEmbeddedDeviceHMCAMDEmbeddedDeviceServiceHMDAccountHandleHMDAccountHandleFormatterHMDAccountIdentifierHMDCKRecordIDCanonicalStringDataTransformerHMDCKRecordIDCanonicalStringTransformerHMDCoreDataTransformerCLLocationHMDCoreDataTransformerCLRegionHMDCoreDataTransformerHMCHIPAccessoryPairingHMDCoreDataTransformerHMCameraActivity_Zone`64 in all
dyld_cache /System/Library/PrivateFrameworks/IntelligenceSimulation.framework/Versions/A/IntelligenceSimulation	29	0	`IntelligenceSimulation.CampoSiriReplayerIntelligenceSimulation.(EventCounter in _3AD9493B4CBA514B9F6A3CD05CB1C3FF)IntelligenceSimulation.TranscriptProtoEvent.(_StorageClass in _A901DA6D96E7B0E66BB0378162847B56)IntelligenceSimulation.UserContextProtoUser.(_StorageClass in _4BCF78746508652FE9717A21BEBF971B)IntelligenceSimulation.TranscriptProtoAction.(_StorageClass in _D5FD5A0757EA7F87322E62EB3E08C5CA)IntelligenceSimulation.TranscriptProtoRequest.(_StorageClass in _168C303CE4A5BC7FCA81E2F4B9A38FA2)IntelligenceSimulation.ContextProtoContextMetadata.(_StorageClass in _045A8D7BD91C9C1ACF5F583054D7A974)IntelligenceSimulation.TranscriptProtoSessionStart.(_StorageClass in _F921DC53CE34A210FB0634EED5E0259D)IntelligenceSimulation.ContextProtoRetrievedContext.(_StorageClass in _045A8D7BD91C9C1ACF5F583054D7A974)IntelligenceSimulation.TranscriptProtoStreamStageEnd.(_StorageClass in _5E5ED3EC143A5F049CC862564D1B3E73)IntelligenceSimulation.TranscriptProtoSystemResponse.(_StorageClass in _5E5ED3EC143A5F049CC862564D1B3E73)IntelligenceSimulation.UserContextProtoMediaUserInfo.(_StorageClass in _4BCF78746508652FE9717A21BEBF971B)`29 in all
dyld_cache /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit	21	4	`NSDragContextMenuControllerNSDragGestureRecognizerNSHostedViewDismissPresentedWindowsActionNSHostedViewResignKeyActionNSThemeAutosaveButtonWindowDragGestureRecognizerNSWindowHitTestDebugFlashWindow_NSContextMenuCtlTapGestureRecognizer_NSContextMenuPressGestureRecognizer_NSKnobExpandPressGestureRecognizer_NSMouseEmulationPanGestureRecognizer_NSMouseEmulationPressGestureRecognizer_NSTextSelectionMouseEmulationBlocker`21 in all
dyld_cache /System/Library/PrivateFrameworks/IntelligenceFlowRuntime.framework/Versions/A/IntelligenceFlowRuntime	13	0	`IntelligenceFlowRuntime.ManageWorkoutFlowIntelligenceFlowRuntime.AppIntentPrewarmerIntelligenceFlowRuntime.SetAlarmNoTimeFlowIntelligenceFlowRuntime.SensitivityRedactionIntelligenceFlowRuntime.SetTimerNoDurationFlowIntelligenceFlowRuntime.ShortcutUnsupportedFlowIntelligenceFlowRuntime.RemoteAppIntentPrewarmerIntelligenceFlowRuntime.ErrorLoggerQueryIdResolverIntelligenceFlowRuntime.HandoffNotSelectedRedactionIntelligenceFlowRuntime.RecalledConversationRedactionParticipantIntelligenceFlowRuntime.(ResultDialogRegistry in _A28DEAC7C9224078FAE6A03CAB5DC973)IntelligenceFlowRuntime.SearchRestrictionDialog.(BundleAnchor in _1FB17BE97B38728F16138FF45D5BA620)`13 in all
dyld_cache /System/Library/PrivateFrameworks/AgentSessionKitRuntime.framework/Versions/A/AgentSessionKitRuntime	11	0	`AgentSessionKitRuntime.SchemaV32.ArtifactEntityAgentSessionKitRuntime.SchemaV32.SyncTimestampEntityAgentSessionKitRuntime.SchemaV32.AgentProvenanceEntityAgentSessionKitRuntime.SchemaV32.SessionSyncBlobEntityAgentSessionKitRuntime.SchemaV32.AgentSessionEventEntityAgentSessionKitRuntime.SchemaV32.PendingSyncRecordEntityAgentSessionKitRuntime.SchemaV32.AgentSessionRecordEntityAgentSessionKitRuntime.SchemaV32.SessionSafetyStateEntityAgentSessionKitRuntime.SchemaV32.SessionSyncMetadataEntityAgentSessionKitRuntime.SchemaV32.CascadeDonationStateEntityAgentSessionKitRuntime.SchemaV32.CloudKitSyncEngineStateEntity`
dyld_cache /System/Library/PrivateFrameworks/ExchangeSync.framework/Versions/A/ExchangeSync	18	7	`EXSGSMigrationGateEXSGSMigrationPausedSyncProtocolEXSGraphIDMigrationColumnReportEXSGraphIDMigrationDataClassReportEXSGraphIDMigrationFailureEXSGraphIDMigrationOptionsEXSGraphIDMigrationReportEXSGraphIDMigrationRunStateExchangeSync.EXSGSIdTranslatorExchangeSync.EXSWebPushTransportExchangeSync.EXSGSWebPushCoordinatorExchangeSync.EXSGSIdTranslationResult`18 in all
filesystem /System/Library/HIDPlugins/ServicePlugins/HSTouchHIDService.plugin/Contents/MacOS/HSTouchHIDService	9	0	`HSTouchHIDService.Granularoperator\|\|(unsigned long, long _Complex, int, long double, __int128, unsigned short)HSTouchHIDService.GranularRotateClientHSTouchHIDService.GranularScrollClientHSTouchHIDService.GranularGestureClientHSTouchHIDService.GranularDockSwipeClientHSTouchHIDService.GranularTranslateClientHSTouchHIDService.GranularPrimaryClickClientHSTouchHIDService.GranularSecondaryClickClientHSTouchHIDService.GranularNotificationCenterSwipeClient`
dyld_cache /System/Library/PrivateFrameworks/CampoUIInternal.framework/Versions/A/CampoUIInternal	8	0	`CampoUIRequestFollowupSpecificationCampoUIInternal.ObservationDemandCampoUIInternal.SystemLayoutMarginsCampoUIInternal.ObservationDemandTokenCampoUIInternal.ObservationDemandStrategyCampoUIInternal.(ResourceBundleClass in _251538DE2F4FE1C6D0F5E7BE2B3AC1FC)CampoUIInternal.(WindowDragOrTapView in _756FE2C009933C5DE78B5F59A1D98F76)CampoUIInternal.(DirectTouchRecognizer in _8C1859C836392F1EB93D2099C23D4D7D)`

Sandbox operations and profiles

Operations the sandbox checks and the compiled profiles it ships. Compare sandbox records

1 binary changed

Binary	Collection	Changes
kernelcache com.apple.security.sandbox	Sandbox profiles	2 updated`platformplatform/platform`

Largest API-surface changes

Binaries whose exported interface changed, by record delta. Every API-surface change

8,511 binaries

Binary	Records	Changed collections
dyld_cache /System/Library/PrivateFrameworks/IntelligenceSimulation.framework/Versions/A/IntelligenceSimulation	+39,312	Exports +37,483C strings +1,491Objective-C ivars +260Undefined imports +36Objective-C classes +29Linked libraries +10Sections +3
dyld_cache /System/Library/Frameworks/MediaToolbox.framework/Versions/A/MediaToolbox	-32,843	C strings -32,823Undefined imports -22Exports +2Dylib identities changedLinked libraries changedSections changed
dyld_cache /System/Library/PrivateFrameworks/CMCapture.framework/Versions/A/CMCapture	-12,097	C strings -11,866Objective-C ivars -84Objective-C methods -75Undefined imports -41Objective-C properties -35Exports +10Objective-C classes -5Sections -1Linked libraries changed
dyld_cache /System/Library/Frameworks/CoreMedia.framework/Versions/A/CoreMedia	-8,534	C strings -8,528Undefined imports -9Exports +3Dylib identities changedLinked libraries changedSections changed
dyld_cache /System/Library/Frameworks/VideoToolbox.framework/Versions/A/VideoToolbox	-8,440	C strings -8,443Objective-C properties +5Undefined imports -5Objective-C methods +3Dylib identities changedLinked libraries changedSections changed
dyld_cache /System/Library/PrivateFrameworks/CMImaging.framework/Versions/A/CMImaging	-2,548	C strings -2,577Objective-C methods +8Undefined imports +8Exports +5Objective-C ivars +4Objective-C classes +1Objective-C properties +1Sections +1Segments +1Linked libraries changed
dyld_cache /System/Library/PrivateFrameworks/AVFCapture.framework/Versions/A/AVFCapture	-2,339	C strings -2,350Objective-C methods +10Objective-C ivars -3Exports +2Objective-C properties +2Linked libraries changedSections changedUndefined imports changed
system_os /System/Library/PrivateFrameworks/Nodes.framework/Versions/A/Nodes	+2,027	Exports +1,503C strings +250Chained imports +123Objective-C methods +49Undefined imports +46Objective-C ivars +30Objective-C properties +8Objective-C classes +7Objective-C protocols +4Objective-C protocol adoptions +3Sections +3Linked libraries +1Code identities changedDylib identities changed
dyld_cache /System/Library/PrivateFrameworks/AVFCore.framework/Versions/A/AVFCore	-2,017	C strings -2,024Objective-C methods +15Undefined imports -9Exports -2Objective-C ivars +2Objective-C properties +1Linked libraries changedSections changed
dyld_cache /System/Library/PrivateFrameworks/AVFoundationCF.framework/Versions/A/AVFoundationCF	-1,976	C strings -1,976Linked libraries changedSections changedUndefined imports changed