Your apps might load a whole lot faster this fall.
When you fire up iOS 15 and macOS Monterey for the first time this fall, you’re probably going to notice something beyond the new FaceTime features and Safari changes: improved speed. According to a developer who has delved into the code for Apple’s new operating systems, Apple has significantly changed the way apps communicate with the system and it could dramatically cut down on the time it takes to launch.
iOS developer and former Apple employee Noah Martin became aware of an intriguing bit while reading the release notes of Xcode 13:
All programs and dylibs built with a deployment target of macOS 12 or iOS 15 or later now use the chained fixups format. This uses different load commands and LINKEDIT data, and won’t run or load on older OS versions.
Read more at MacWorld.com