Inside iOS 27's Reworked Stub Islands
Summary
The article dives into iOS 27's internals, focusing on changes to the dyld shared cache, removal of redundant sections, and new stub trampoline variants to improve performance. It provides concrete examples of how Objective-C optimizations and bridging mechanisms are implemented, including updated selector handling and method trampolines. This piece is valuable for developers and security researchers interested in OS internals, dynamic linking, and performance-oriented architectural changes in iOS.