What's new in iOS 26.6 (23G71) · iPhone18,2

Previous releaseiOS 26.5.223F84iPhone18,2 · Released on Jun 29, 2026

This releaseiOS 26.623G71iPhone18,2 · Released on Jul 27, 2026

Compared sources7app_os, dyld_cache, exclave_cache, exclave_os, filesystem, kernelcache, system_os

New and removed binaries

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

13 added · 3 removed

Source	Change	Logical path	Size	Records
dyld_cache	Added	/System/Library/PrivateFrameworks/AXFlashScreenUIServices.framework/AXFlashScreenUIServices	84.3 KiB	217
dyld_cache	Added	/System/Library/PrivateFrameworks/ManagedBackgroundAssetsRelay.framework/ManagedBackgroundAssetsRelay	194.6 KiB	243
dyld_cache	Added	/System/Library/PrivateFrameworks/MapsBlastDoorSupport.framework/MapsBlastDoorSupport	142.7 KiB	263
dyld_cache	Added	/System/Library/PrivateFrameworks/SwiftUITracingSupport.framework/SwiftUITracingSupport	6.6 MiB	12,956
filesystem	Added	/System/Library/AccessibilityBundles/AXFlashScreenUIServer.axuiservice/AXFlashScreenUIServer	69.2 KiB	323
filesystem	Added	/System/Library/LocationBundles/NearFieldPrivateServiceLocation.bundle/NearFieldPrivateServiceLocation	34.3 KiB	8
filesystem	Added	/System/Library/PreferenceBundles/TVNotificationSettings.bundle/TVNotificationSettings	92.1 KiB	366
filesystem	Added	/System/Library/PrivateFrameworks/ManagedBackgroundAssets.framework/XPCServices/Managed Background Assets Relay Service.xpc/Managed Background Assets Relay Service	71.9 KiB	165
filesystem	Added	/System/Library/PrivateFrameworks/MapsBlastDoorSupport.framework/XPCServices/MapsBlastDoorService.xpc/MapsBlastDoorService	71.7 KiB	126
filesystem	Removed	/System/Library/PrivateFrameworks/DebugHierarchyKit.framework/DebugHierarchyKit	393.5 KiB	2,956
filesystem	Removed	/usr/libexec/ViewHierarchyAgent	232.3 KiB	660
system_os	Removed	/System/Library/PrivateFrameworks/SwiftUITracingSupport.framework/SwiftUITracingSupport	9.4 MiB	16,958

All 9 binaries added to filesystem

New frameworks and dylibs

Added framework binaries and dynamic libraries.

4 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

8 new · 0 removed

New keys

com.apple.apfs.wvek 1 holder
com.apple.cdp.telemetry 2 holders
com.apple.keystore.config.set.inactivity_reboot 2 holders
com.apple.maps.suggestions.signalpipeline 1 holder
com.apple.private.audio.client-audit-token-override 1 holder
com.apple.private.security.storage.LogdPreferencesCache 1 holder
com.apple.private.sharing.paired-contacts 3 holders
com.apple.security.hardened-process.no-guard-objects 1 holder

Removed keys

No removed key.

New Objective-C classes

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

104 binaries changed

Binary	New	Removed	Classes
dyld_cache /System/Library/PrivateFrameworks/SwiftUITracingSupport.framework/SwiftUITracingSupport New binary	23	0	`SwiftUITracingSupport.ChangelistSwiftUITracingSupport.KtraceFileSwiftUITracingSupport.InterpreterSwiftUITracingSupport.SwiftUITraceSwiftUITracingSupport.FileCompressorSwiftUITracingSupport._Chunk_StorageSwiftUITracingSupport.AggregateContainerSwiftUITracingSupport.ViewTreeDisplayOrderSwiftUITracingSupport.CLISwiftUITracingSupport.HostSwiftUITracingSupport.ChunkSwiftUITracingSupport.Client`23 in all
dyld_cache /System/Library/PrivateFrameworks/AppleAccountTransparency.framework/AppleAccountTransparency	19	0	`AppleAccountTransparency.AATAuthKitProxyAppleAccountTransparency.AATEventProviderAppleAccountTransparency.AATDaemonConnectionAppleAccountTransparency.AATConnectionManagerAppleAccountTransparency.AATDaemonCoordinatorAppleAccountTransparency.AATDatabaseLifecycleAppleAccountTransparency.StoreMigratorAdapterAppleAccountTransparency.AATransparencyEventXPCAppleAccountTransparency.AATAnalyticsReporterRTCAppleAccountTransparency.AATEventPagingControllerAppleAccountTransparency.AATSEARTransparencyProxyAppleAccountTransparency.AATransparencyController`19 in all
filesystem /usr/libexec/promotedcontentd	18	0	`promotedcontentd.NullAgeNoiseApplicatorpromotedcontentd.TracingAgeNoiseGeneratorpromotedcontentd.DatabaseBusyTimeoutSyncerpromotedcontentd.TracingAgeNoiseApplicatorpromotedcontentd.EligibleAgeNoiseApplicatorpromotedcontentd.TracingAgeNoisingQualifierpromotedcontentd.ConfigurableAgeNoiseGeneratorpromotedcontentd.PredeterminedAgeNoiseGeneratorpromotedcontentd.ConfigurableAgeNoisingQualifierpromotedcontentd.DeviceInfoPersonalizedAdsSourcepromotedcontentd.PredeterminedAgeNoisingQualifierpromotedcontentd.AgeNoisingIdentifierRotationSignal`18 in all
dyld_cache /System/Library/PrivateFrameworks/AdPlatformsCommon.framework/AdPlatformsCommon	18	2	`AdPlatformsCommon.NullUserAgeNoisingStoreAdPlatformsCommon.AgeNoisingBirthYearSourceAdPlatformsCommon.DiagnosingBirthYearSourceAdPlatformsCommon.NullActualBirthYearSourceAdPlatformsCommon.NullPersonalizedAdsSourceAdPlatformsCommon.TracingUserAgeNoisingStoreAdPlatformsCommon.KeyValueUserAgeNoisingStoreAdPlatformsCommon.NullIdentifierRotationSignalAdPlatformsCommon.TracingActualBirthYearSourceAdPlatformsCommon.TracingPersonalizedAdsSourceAdPlatformsCommon.DiagnosingUserAgeNoisingStoreAdPlatformsCommon.MemoizingPersonalizedAdsSource`18 in all
dyld_cache /System/Library/PrivateFrameworks/MigrationKit.framework/MigrationKit	12	1	`MigrationKit.RequestLogMigrationKit.FileSequenceMigrationKit.RandomBufferMigrationKit.RequestTokenMigrationKit.NotesImporterMigrationKit.DatabaseHandleMigrationKit.ServedCountsBoxMigrationKit.DatabaseRegistryMigrationKit.SkippedMessageIDsMigrationKit.BrowserDataImporterMigrationKit.NotesLegacyImporterMigrationKit.InFlightExportRegistry`
dyld_cache /System/Library/PrivateFrameworks/Transparency.framework/Transparency	9	0	`Transparency.AETEventKeyTransparency.AETransparencyTransparency.AETTransparentEventTransparency.AETVerifyProofRequestTransparency.AETVerifyProofResponseTransparency.AETEventVerificationResultTransparency.AETransparencyXPCInterfaceTransparency.AETransparencyRequestContextTransparency.AETEvent`
dyld_cache /System/Library/PrivateFrameworks/FTServices.framework/FTServices	8	0	`FTMessageDeliveryAbsintheSignerFTMessageDeliveryAnisetteSignerFTMessageDeliveryAuthCertSignerFTMessageDeliveryIDSBAASignerFTMessageDeliveryPushIdentitySignerFTMessageDeliverySigningFTMessageDeliverySigningOptionsFTServices.PrimaryQueueActor`
dyld_cache /System/Library/PrivateFrameworks/MediaAnalysis.framework/MediaAnalysis	8	0	`MADEmbeddingSearchQueryResultMADQuerySafetyResultMADTextEmbeddingMD8DefaultResourceMADTextEmbeddingMD8ExtendedResourceMADTextEmbeddingMD8ResourceMADTextEmbeddingSafetyMD8MADTextEmbeddingThresholdMD8MADTextTokenizerMD8Resource`

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 added`protobox/NFReportingServiceprotobox/appleaccounttransparencyd`1,155 updated`collection/AirTrafficcollection/AnnotationKit.MigratorServicecollection/CPLDiagnosecollection/IMDPersistenceAgentcollection/IMTranscoderAgentcollection/IMTransferAgentcollection/MobileBackupcollection/MobileSlideShowcollection/WirelessRadioManagerdcollection/afcdcollection/app-extension-enhanced-securitycollection/apple-cloud-enhanced-security`

Largest API-surface changes

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

7,656 binaries

Binary	Records	Changed collections
dyld_cache /System/Library/PrivateFrameworks/AppleAccountTransparency.framework/AppleAccountTransparency	+1,381	C strings +557Exports +384Undefined imports +187Objective-C methods +99Objective-C ivars +49Sections +27Linked libraries +24Objective-C classes +19Objective-C protocols +13Objective-C protocol adoptions +12Objective-C properties +10
dyld_cache /System/Library/PrivateFrameworks/CoreTransparency.framework/CoreTransparency	+1,056	Exports +930C strings +61Undefined imports +54Linked libraries +6Sections +5
dyld_cache /System/Library/PrivateFrameworks/NewsAnalytics.framework/NewsAnalytics	+1,032	Objective-C methods +396Objective-C properties +378C strings +207Exports +19Objective-C protocol adoptions +16Objective-C protocols +8Undefined imports +4Sections +2Linked libraries +1Objective-C ivars +1
filesystem /usr/libexec/transparencyd	+940	Exports +352Chained imports +185Undefined imports +185C strings +141Objective-C ivars +30Objective-C methods +29Objective-C classes +7Entitlements +4Objective-C protocol adoptions +3Linked libraries +2Objective-C protocols +2Code identities changedPlist properties changedSections changed
dyld_cache /System/Library/PrivateFrameworks/NewsCore.framework/NewsCore	+863	Objective-C methods +361Objective-C properties +349Exports +84C strings +44Objective-C ivars +13Objective-C protocol adoptions +7Objective-C protocols +3Objective-C classes +2Linked libraries changedSections changed
dyld_cache /usr/lib/libswiftPrespecialized.dylib	+734	Undefined imports +719Exports +15Sections changed
dyld_cache /System/Library/PrivateFrameworks/Transparency.framework/Transparency	+729	Exports +395C strings +148Objective-C methods +93Objective-C properties +28Objective-C ivars +23Undefined imports +23Objective-C classes +9Sections +4Linked libraries +3Objective-C protocols +3
dyld_cache /System/Library/PrivateFrameworks/CryptexKit.framework/CryptexKit	+590	Undefined imports +381Exports +156C strings +39Objective-C ivars +11Objective-C classes +3Dylib identities changedLinked libraries changedSections changed
dyld_cache /System/Library/PrivateFrameworks/AdPlatformsCommon.framework/AdPlatformsCommon	+590	Exports +479C strings +72Objective-C ivars +22Objective-C classes +16Undefined imports +1Linked libraries changedSections changed
dyld_cache /System/Library/PrivateFrameworks/DashBoard.framework/DashBoard	+546	C strings +200Exports +127Objective-C methods +120Objective-C properties +44Objective-C ivars +31Objective-C protocol adoptions +10Objective-C protocols +6Objective-C classes +5Undefined imports +3Linked libraries changedSections changed