stableiPhone18,2Released on
What's new in iOS 27.2.1 24B156
Compared with iOS 27.2 24B119, the previous release for iPhone18,2 in the catalogue.
Previous releaseiOS 27.2
24B119iPhone18,2 · Released on This releaseiOS 27.2.1
24B156iPhone18,2 · Released on 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.
No binary was added or removed.
New frameworks and dylibs
Added framework binaries and dynamic libraries.
No framework or dylib was added.
Entitlement keys
Top-level keys no binary held before, and keys no binary holds any more. Compare entitlements
No entitlement key was introduced or removed.
New Objective-C classes
The binaries gaining the most classes, compared exactly. Every binary whose classes changed
| Binary | New | Removed | Classes |
|---|---|---|---|
| dyld_cache /System/Library/PrivateFrameworks/SiriSetup.framework/SiriSetup | 2 | 0 | SiriSetup.BuddyEventReporterSiriSetup.BuddyEventReporterProvider |
Sandbox operations and profiles
Operations the sandbox checks and the compiled profiles it ships. Compare sandbox records
No sandbox operation or profile changed.
Largest API-surface changes
Binaries whose exported interface changed, by record delta. Every API-surface change
| Binary | Records | Changed collections |
|---|---|---|
| filesystem /private/var/staged_system_apps/Podcasts.app/Frameworks/PodcastsInsights.framework/PodcastsInsights | +49 | Chained imports +41Undefined imports +5C strings +3Code identities changedObjective-C ivars changedSections changed |
| dyld_cache /System/Library/PrivateFrameworks/SiriSetup.framework/SiriSetup | +42 | Exports +40Objective-C classes +2Objective-C ivars changedSections changed |
| dyld_cache /System/Library/PrivateFrameworks/MediaCoreUI.framework/MediaCoreUI | +15 | Exports +9C strings +6Linked libraries changedObjective-C ivars changedSections changed |
| dyld_cache /System/Library/PrivateFrameworks/IDSFoundation.framework/IDSFoundation | +9 | Objective-C methods +4Objective-C properties +2Exports +1Objective-C ivars +1C strings +1Linked libraries changedSections changed |
| dyld_cache /System/Library/PrivateFrameworks/AddressBookLegacy.framework/AddressBookLegacy | +8 | C strings +7Exports +1Sections changed |
| dyld_cache /System/Library/PrivateFrameworks/SetupAssistant.framework/SetupAssistant | +4 | C strings +2Objective-C ivars +1Objective-C methods +1Sections changed |
| dyld_cache /System/Library/PrivateFrameworks/OmniSearch.framework/OmniSearch | +3 | Undefined imports +2Exports +1Linked libraries changedObjective-C ivars changedC strings changedSections changed |
| filesystem /Applications/Setup.app/Setup | +3 | C strings +3Code identities changedEntitlements changedObjective-C ivars changedSections changed |
| dyld_cache /System/Library/PrivateFrameworks/CoverSheet.framework/CoverSheet | +3 | Objective-C categories +1Objective-C methods +1Undefined imports +1Linked libraries changedSections changed |
| dyld_cache /usr/lib/libswiftPrespecialized.dylib | +3 | Undefined imports +3Sections changed |