stableMac17,9Released on
What's new in macOS 27.2.1 26B131
Compared with macOS 27.2 26B123, the previous release for Mac17,9 in the catalogue.
Previous releasemacOS 27.2
26B123Mac17,9 · Released on This releasemacOS 27.2.1
26B131Mac17,9 · Released on 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.
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 |
|---|---|---|---|
| filesystem /System/Library/PrivateFrameworks/ScreenTimeCore.framework/Versions/A/ScreenTimeAgent | 1 | 0 | ScreenTimeAgent.STSignedOutUserAgeRangeInferrer |
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 /System/Library/PrivateFrameworks/ScreenTimeCore.framework/Versions/A/ScreenTimeAgent | +49 | C strings +18Chained imports +11Undefined imports +11Objective-C methods +8Objective-C classes +1Code identities changedObjective-C ivars changedPlist properties changedSections changed |
| dyld_cache /System/Library/PrivateFrameworks/ScreenTimeSettingsFoundation.framework/Versions/A/ScreenTimeSettingsFoundation | +12 | C strings +9Objective-C methods +2Objective-C ivars +1Sections changed |
| dyld_cache /System/Library/PrivateFrameworks/IDSFoundation.framework/Versions/A/IDSFoundation | +9 | Objective-C methods +4Objective-C properties +2Exports +1Objective-C ivars +1C strings +1Linked libraries changedSections changed |
| dyld_cache /usr/lib/libcrypto.55.dylib | +6 | C strings +8Undefined imports -2Sections changed |
| dyld_cache /usr/lib/libcrypto.44.dylib | +6 | C strings +8Undefined imports -2Sections changed |
| dyld_cache /usr/lib/libcrypto.41.dylib | +6 | C strings +8Undefined imports -2Sections changed |
| dyld_cache /usr/lib/libcrypto.35.dylib | +6 | C strings +8Undefined imports -2Sections changed |
| dyld_cache /usr/lib/libcrypto.46.dylib | +6 | C strings +8Undefined imports -2Sections changed |
| dyld_cache /usr/lib/libtls.20.dylib | +6 | C strings +8Undefined imports -2Sections changed |
| dyld_cache /usr/lib/libcrypto.42.dylib | +6 | C strings +8Undefined imports -2Sections changed |