What's new in macOS 27.0 (26A428) · Mac17,9

New and removed binaries

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

975 added · 310 removed

Source	Change	Logical path	Size	Records
app_os	Added	/usr/libexec/guidedbrowsingd	267.2 KiB	256
app_os	Added	/usr/libexec/webinspector-wasm-lldb-platform	312.0 KiB	649
dyld_cache	Added	/System/DriverKit/Runtime/System/Library/PrivateFrameworks/AlwaysOnExclavesServices.framework/AlwaysOnExclavesServices	32.9 KiB	28
dyld_cache	Added	/System/DriverKit/Runtime/System/Library/PrivateFrameworks/ExclavesMessageQueueProducer.framework/ExclavesMessageQueueProducer	96.5 KiB	145
dyld_cache	Added	/System/DriverKit/Runtime/System/Library/PrivateFrameworks/ExclavesMessageQueueTypes.framework/ExclavesMessageQueueTypes	127.7 KiB	321
dyld_cache	Added	/System/DriverKit/Runtime/System/Library/PrivateFrameworks/ExclavesOutboxConsumer.framework/ExclavesOutboxConsumer	95.9 KiB	145
dyld_cache	Added	/System/DriverKit/Runtime/System/Library/PrivateFrameworks/ExclavesOutboxListener.framework/ExclavesOutboxListener	88.6 KiB	123
dyld_cache	Removed	/System/Library/Extensions/AppleParavirtGPUMetal.bundle/Contents/Resources/libAppleParavirtCompilerPlugin.dylib	68.7 KiB	99
dyld_cache	Removed	/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/libruby.2.6.dylib	2.4 MiB	8,255
dyld_cache	Removed	/System/Library/PrivateFrameworks/ARKitCore.framework/Versions/A/ARKitCore	766.1 KiB	4,549
dyld_cache	Removed	/System/Library/PrivateFrameworks/ARKitFoundation.framework/Versions/A/ARKitFoundation	140.3 KiB	758
dyld_cache	Removed	/System/Library/PrivateFrameworks/AppIntentsTypeSupport.framework/Versions/A/AppIntentsTypeSupport	175.9 KiB	558
exclave_cache	Added	/System/ExclaveKit/System/Library/Frameworks/AppleCameraCommon_ISP_EK_TBModule.framework/AppleCameraCommon_ISP_EK_TBModule	16.2 KiB	13
exclave_cache	Added	/System/ExclaveKit/System/Library/Frameworks/AppleCameraRGB_ISP_EK_TBModule.framework/AppleCameraRGB_ISP_EK_TBModule	16.2 KiB	14
exclave_cache	Added	/System/ExclaveKit/System/Library/Frameworks/AppleCameraT8160_RGB_ISP_EK_Component.framework/AppleCameraT8160_RGB_ISP_EK_Component	8.2 MiB	12,319
exclave_cache	Added	/System/ExclaveKit/System/Library/Frameworks/ConclaveWaker.framework/ConclaveWaker	96.5 KiB	212
exclave_cache	Added	/System/ExclaveKit/System/Library/Frameworks/DeviceMemoryContext.framework/DeviceMemoryContext	50.1 KiB	48
exclave_cache	Removed	/System/ExclaveKit/System/Library/PrivateFrameworks/SecureVectorStorage.framework/SecureVectorStorage	180.2 KiB	370
exclave_cache	Removed	/System/ExclaveKit/System/Library/PrivateFrameworks/T8132_ExclaveISPSharedLib_exclavekit.framework/T8132_ExclaveISPSharedLib_exclavekit	8.1 MiB	30,335
exclave_os	Added	/System/ExclaveKit/System/Library/PrivateFrameworks/AppleCameraSISP_EK_AlgoModels.framework/AppleCameraSISP_EK_AlgoModels	98.3 KiB	8
exclave_os	Removed	/System/ExclaveKit/usr/lib/system/libsystem_malloc_debug.dylib	688.6 KiB	730
filesystem	Added	/System/Applications/Freeform.app/Contents/Frameworks/AppContentHub.framework/Versions/A/AppContentHub	9.2 MiB	10,133
filesystem	Added	/System/Applications/Freeform.app/Contents/Frameworks/AppImageGenerationModel.framework/Versions/A/AppImageGenerationModel	1.1 MiB	1,873
filesystem	Added	/System/Applications/Freeform.app/Contents/Frameworks/AppImageGenerationUI.framework/Versions/A/AppImageGenerationUI	3.4 MiB	1,873
filesystem	Added	/System/Applications/Freeform.app/Contents/Frameworks/AppsGenUI.framework/Versions/A/AppsGenUI	2.1 MiB	2,956
filesystem	Added	/System/Applications/Freeform.app/Contents/Frameworks/TSContentLanguage.framework/Versions/A/TSContentLanguage	5.7 MiB	10,363
filesystem	Removed	/System/Applications/Freeform.app/Contents/Frameworks/TSImageGeneration.framework/Versions/A/TSImageGeneration	6.6 MiB	4,219
filesystem	Removed	/System/Applications/Freeform.app/Contents/Frameworks/TSMediaLibrary.framework/Versions/A/TSMediaLibrary	6.9 MiB	7,124
filesystem	Removed	/System/Applications/Home.app/Contents/PlugIns/HomeAppMessagesExtension.appex/Contents/MacOS/HomeAppMessagesExtension	100.2 KiB	41
filesystem	Removed	/System/Applications/Messages.app/Contents/PlugIns/Messages Reply Extension.appex/Contents/MacOS/Messages Reply Extension	367.5 KiB	1,606
filesystem	Removed	/System/Applications/Messages.app/Contents/PlugIns/Messages Share Extension.appex/Contents/MacOS/Messages Share Extension	367.5 KiB	1,606
kernelcache	Added	com.apple.EXBrightKext	259.2 KiB	1,092
kernelcache	Added	com.apple.EXBrightPILKext	168.3 KiB	747
kernelcache	Added	com.apple.driver.AFKHIDTBDevice	120.5 KiB	593
kernelcache	Added	com.apple.driver.AppleDisplayManager	112.0 KiB	721
kernelcache	Added	com.apple.driver.AppleMSG	741.6 KiB	2,453
kernelcache	Removed	com.apple.filesystems.afpfs	386.4 KiB	1,557
kernelcache	Removed	com.apple.filesystems.exfat	111.0 KiB	468
kernelcache	Removed	com.apple.filesystems.hfs.encodings.kext	85.0 KiB	408
kernelcache	Removed	com.apple.filesystems.msdosfs	125.5 KiB	414
kernelcache	Removed	com.apple.nke.asp_tcp	90.2 KiB	397
system_os	Added	/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit_x86Support	47.4 MiB	230,542
system_os	Added	/System/Library/Frameworks/CoreSpotlight.framework/Versions/A/CoreSpotlight_x86Support	4.8 MiB	30,471
system_os	Added	/System/Library/Frameworks/GameKit.framework/Versions/A/GameKit_x86Support	465.1 KiB	1,418
system_os	Added	/System/Library/Frameworks/Quartz.framework/Versions/A/Quartz_x86Support	34.1 KiB	13
system_os	Added	/System/Library/PrivateFrameworks/GameCenterFoundation.framework/Versions/A/GameCenterFoundation_x86Support	3.5 MiB	23,151
system_os	Removed	/System/Library/Extensions/AMDMTLBronzeDriver.bundle/Contents/MacOS/AMDMTLBronzeDriver	4.5 MiB	13,595
system_os	Removed	/System/Library/Extensions/AMDRadeonVADriver.bundle/Contents/MacOS/AMDRadeonVADriver	1.2 MiB	3,347
system_os	Removed	/System/Library/Extensions/AMDRadeonVADriver2.bundle/Contents/MacOS/AMDRadeonVADriver2	1.2 MiB	3,347
system_os	Removed	/System/Library/Extensions/AMDRadeonX4000GLDriver.bundle/Contents/MacOS/ATIRadeonX4000SCLib.dylib	426.0 KiB	2,138
system_os	Removed	/System/Library/Extensions/AMDRadeonX5000GLDriver.bundle/Contents/MacOS/ATIRadeonX5000SCLib.dylib	424.9 KiB	2,129

All 499 binaries added to dyld_cache All 51 binaries removed from dyld_cache All 29 binaries added to exclave_cache All 406 binaries added to filesystem All 228 binaries removed from filesystem All 11 binaries added to kernelcache All 6 binaries removed from kernelcache All 27 binaries added to system_os All 22 binaries removed from system_os

New frameworks and dylibs

Added framework binaries and dynamic libraries.

407 frameworks · 136 dylibs

Frameworks

Every binary added inside a framework

Dylibs

All 136 new dylibs

Entitlement keys

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

327 new · 21 removed

New keys

AO2CCNT0 1 holder
App Groups 1 holder
EnablePressuredExit 1 holder
EnableTransactions 1 holder
ExtractedMailReceiptsMirroring 1 holder
ExtractedOrderEmailCleanup 1 holder
UNUserNotificationCenter 1 holder
aop2.asen 1 holder
aop2.asen-motion 1 holder
aop2.bluetooth-data.ent 1 holder
aop2.gps-data.ent 1 holder
aop2.gps-debug 1 holder
com.apple.ANELargeModelCompilerService.allow 2 holders
com.apple.AppleNVMeSanitize.allow 1 holder
com.apple.AppleNVMeSideBar.allow 1 holder
com.apple.ApplicationService.ServiceDiscovery.client 1 holder
com.apple.Archetype.personalContext 5 holders
com.apple.ClassroomKit.KeychainMigrationService-access 1 holder
com.apple.GenerativeFunctions.agentstored.agentDebug 1 holder
com.apple.MobileAsset.SharingDeviceAssets 2 holders
com.apple.ProximityControl.ProximityHandoffInteractions 1 holder
com.apple.QuartzCore.system-layers 1 holder
com.apple.StatusKit.client 5 holders
com.apple.SystemBannerService 1 holder
com.apple.XType.reset 1 holder

All 327 new keys

Removed keys

com.apple.app-sandbox.read 1 holder before
com.apple.carousel.blanking_backlight_assertion 1 holder before
com.apple.carousel.unlimited_backlight_assertion 1 holder before
com.apple.developer.driverkit.serial 1 holder before
com.apple.perceptiond.peripheralSensing 1 holder before
com.apple.private.EnableMSSecBoot 2 holders before
com.apple.private.audio.driver.extrinsic.registration 3 holders before
com.apple.private.bootcampassistant 1 holder before
com.apple.private.coordination.messaging 2 holders before
com.apple.private.coordination.role 2 holders before
com.apple.private.driverkit.test-driver 1 holder before
com.apple.private.locationd.corelocationagent 1 holder before
com.apple.private.noticeboard.agent 1 holder before
com.apple.private.noticeboard.state 1 holder before
com.apple.private.security.storage.StagedPlugins 1 holder before
com.apple.private.spinor.flasher.access 1 holder before
com.apple.private.vfs.revoke-mounted-device 1 holder 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.ssdthrottle.allow 1 holder before
com.apple.uarp.endpoint.control 1 holder before

New Objective-C classes

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

2,104 binaries changed

Binary	New	Removed	Classes
system_os /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit_x86Support New binary	2,722	0	`NSATSUStyleObjectNSAVAudioPlayerSoundEngineNSAVPlayerTextAttachmentViewProviderNSAcceleratorGestureRecognizerNSAccessibilityAXUIElementWrapperNSAccessibilityActionEntryNSAccessibilityAttributeAccessorInfoNSAccessibilityAttributeValueContainerNSAccessibilityColorButtonMockUIElementNSAccessibilityColorUtilitiesNSAccessibilityCustomActionNSAccessibilityCustomChooser`2,722 in all
dyld_cache /System/Library/PrivateFrameworks/SiriInstrumentation.framework/Versions/A/SiriInstrumentation	874	1	`ACTVSchemaACTVActivationOutcomeACTVSchemaACTVRejectedDueToAppleIntelligenceUnavailableACTVSchemaACTVRejectedDueToMissingAssetsACTVSchemaACTVRejectedDueToSiriDisabledACTVSchemaACTVRejectedDueToThermalMitigationACTVSchemaACTVRejectedDueToToolBoxUnavailableACTVSchemaACTVSuccessAPCTSchemaAPCTClientEventAPCTSchemaAPCTClientEventMetadataAPCTSchemaAPCTRuntimeCanceledAPCTSchemaAPCTRuntimeContextAPCTSchemaAPCTRuntimeEnded`874 in all
dyld_cache /System/Library/PrivateFrameworks/SiriInstrumentationEx.framework/Versions/A/SiriInstrumentationEx New binary	460	0	`ACTVSchemaACTVActivationOutcomeACTVSchemaACTVRejectedDueToAppleIntelligenceUnavailableACTVSchemaACTVRejectedDueToMissingAssetsACTVSchemaACTVRejectedDueToSiriDisabledACTVSchemaACTVRejectedDueToThermalMitigationACTVSchemaACTVRejectedDueToToolBoxUnavailableACTVSchemaACTVSuccessAPCTSchemaAPCTRuntimeCanceledAPCTSchemaAPCTRuntimeInterruptedAPCTSchemaAPCTRuntimeSuspensionCanceledAPCTSchemaAPCTRuntimeSuspensionContextAPCTSchemaAPCTRuntimeSuspensionEnded`460 in all
system_os /System/Library/Frameworks/CoreSpotlight.framework/Versions/A/CoreSpotlight_x86Support New binary	341	0	`CSAbsoluteDatePredicateCSAddressTagCSAgenticQueryValidatorCSAgenticRankingParserCSAgenticRankingResponseCSAttributeEvaluatorCSAttributeHelpCSAttributedQueryCSAttributesContentCSAuthorPredicateCSAutocompleteContactsWrapperCSBooleanPredicate`341 in all
system_os /System/Library/PrivateFrameworks/GameCenterFoundation.framework/Versions/A/GameCenterFoundation_x86Support New binary	243	0	`DefaultGKViceroyNATObserverDefaultGKVoiceChatServiceGKAPIReporterGKAccountServiceInterfaceGKAccountServicePrivateInterfaceGKAchievementGKAchievementChallengeGKAchievementChallengeInternalGKAchievementDescriptionGKAchievementDescriptionInternalGKAchievementInternalGKAchievementLeaderboardScoreRangeRequest`243 in all
dyld_cache /System/Library/PrivateFrameworks/SiriAppIntents.framework/Versions/A/SiriAppIntents New binary	239	0	`SiriAppIntents.SpanBuilderSiriAppIntents.ReverseClientSiriAppIntents.TerminalInputSiriAppIntents.OTelSpanIDCounterSiriAppIntents.SiriAppIntentsXPCClientSiriAppIntents.SiriHeliosUsageAnalyticsSiriAppIntents.EvalTrajectorySpanBuilderSiriAppIntents.StreamingResponseAccumulatorSiriAppIntents.SiriAppIntentsXPCClient.ReverseServerSiriAppIntents.SiriAppIntentsXPCClient.CurrentSessionSiriAppIntents.EvalTrajectorySpanBuilder.ExtractedStateSiriAppIntents.EvalTrajectorySpanBuilder.TurnState`239 in all
filesystem /System/Library/PrivateFrameworks/GPUToolsDeviceServices.framework/Versions/A/XPCServices/GPUToolsDebugService.xpc/Contents/MacOS/GPUToolsDebugService New binary	234	0	`BinDirSDKDYGTCAMetalLayerInfoDYGTDeviceInfoDYGTGPUToolsVersionInfoDYGTMTLCaptureScopeInfoDYGTMTLCommandQueueInfoDYGTMTLDeviceProfileGPUDBServiceImplGTBulkDataReplyStreamGTBulkDataServiceGTBulkDataServiceXPCDispatcherGTBulkDataServiceXPCProxy`234 in all
dyld_cache /System/Library/PrivateFrameworks/IntelligenceFlowRuntime.framework/Versions/A/IntelligenceFlowRuntime	238	18	`ASRAppEntityCandidateIntelligenceFlowRuntime.SiriXAgentIntelligenceFlowRuntime.Call911FlowIntelligenceFlowRuntime.EndCallFlowIntelligenceFlowRuntime.LinkManagerIntelligenceFlowRuntime.OpenAppFlowIntelligenceFlowRuntime.RemoteAgentIntelligenceFlowRuntime.SearchAgentIntelligenceFlowRuntime.TurnManagerIntelligenceFlowRuntime.HandlerUtilsIntelligenceFlowRuntime.MakeCallFlowIntelligenceFlowRuntime.SetAlarmFlow`238 in all

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 operations	4 added`asr-parser-entercoalition-infofs-infoisp-command-send`
kernelcache com.apple.security.sandbox	Sandbox profiles	4 added`collectionplatformprotoboxprotobox/autobox-tests-empty`18 updated`collection/com.apple.corebrightnessdcollection/com.apple.dextcollection/com.apple.endpointsecurity.endpointsecuritydcollection/com.apple.oahdcollection/com.apple.oahd-helpercollection/com.apple.oahd-root-helpercollection/com.apple.opendirectorydcollection/com.apple.sandboxdcollection/com.openssh.sshdcollection/no-internetcollection/no-networkcollection/no-write`

Largest API-surface changes

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

9,369 binaries

Binary	Records	Changed collections
dyld_cache /System/iOSSupport/System/Library/PrivateFrameworks/UIKitCore.framework/Versions/A/UIKitCore	-111,802	C strings -121,157Objective-C methods +5,026Objective-C properties +1,608Exports +1,088Objective-C ivars +796Objective-C protocol adoptions +398Objective-C classes +216Objective-C protocols +117Undefined imports +85Linked libraries +10Objective-C categories +8Sections +3Dylib identities changed
dyld_cache /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit	-52,516	C strings -61,086Objective-C methods +3,742Exports +2,434Objective-C ivars +999Objective-C properties +917Objective-C classes +156Objective-C protocol adoptions +156Undefined imports +78Objective-C protocols +77Linked libraries +7Objective-C categories +2Sections +2Dylib identities changed
dyld_cache /System/Library/PrivateFrameworks/PhotosUICore.framework/Versions/A/PhotosUICore	-47,703	C strings -50,164Exports +1,396Objective-C ivars +475Objective-C methods +364Undefined imports +107Objective-C classes +83Objective-C properties +39Objective-C protocol adoptions -21Objective-C protocols +12Objective-C categories +3Sections +3Dylib identities changedLinked libraries changed
dyld_cache /System/Library/PrivateFrameworks/MLIR_ML.framework/Versions/A/MLIR_ML	+46,619	Exports +27,509C strings +18,741Objective-C methods +190Objective-C properties +61Objective-C ivars +51Undefined imports +37Objective-C classes +15Objective-C protocol adoptions +10Sections +4Objective-C categories +1Dylib identities changedLinked libraries changed
dyld_cache /System/iOSSupport/System/Library/PrivateFrameworks/PhotosUICore.framework/Versions/A/PhotosUICore	-46,429	C strings -48,670Exports +906Objective-C methods +643Objective-C ivars +301Objective-C properties +213Undefined imports +112Objective-C classes +52Objective-C protocols +13Linked libraries -6Objective-C categories +3Objective-C protocol adoptions +2Sections +2Dylib identities changed
dyld_cache /System/iOSSupport/System/Library/PrivateFrameworks/ChatKit.framework/Versions/A/ChatKit	-38,476	C strings -40,694Exports +837Objective-C methods +795Objective-C ivars +208Objective-C properties +161Undefined imports +148Objective-C classes +27Objective-C protocol adoptions +20Objective-C protocols +10Linked libraries +7Objective-C categories +4Sections +1
dyld_cache /System/Library/PrivateFrameworks/Safari.framework/Versions/A/Safari	-35,293	C strings -38,356Objective-C methods +1,551Exports +532Objective-C ivars +392Objective-C properties +275Undefined imports +146Objective-C protocol adoptions +73Objective-C classes +52Objective-C protocols +37Sections +4Linked libraries +2Objective-C categories -1Dylib identities changed
dyld_cache /usr/lib/libswiftPrespecialized.dylib	+32,372	Undefined imports +32,388Exports -16Sections changed
dyld_cache /System/Library/PrivateFrameworks/GeoServices.framework/Versions/A/GeoServices	-31,866	C strings -40,666Exports +5,932Objective-C methods +1,459Objective-C ivars +818Objective-C properties +221Objective-C classes +157Undefined imports +102Objective-C protocol adoptions +61Objective-C protocols +37Linked libraries +7Sections +6Dylib identities changed
dyld_cache /System/iOSSupport/System/Library/PrivateFrameworks/HomeUI.framework/Versions/A/HomeUI	-25,866	C strings -26,954Exports +460Objective-C methods +326Objective-C properties +121Objective-C ivars +97Undefined imports +51Objective-C classes +30Objective-C protocol adoptions +2Sections +2Objective-C protocols -1Linked libraries changedObjective-C categories changed