Time Machine on the Internal Drive
How to set up a Time Machine backup on the same internal drive for fast local recovery of accidental deletions, and the surprisingly annoying process of getting macOS to accept it.
Posts in macOS
The macOS Notarization Performance Mystery: When TCC Checks Kill Your Frame Rate
A deep dive into debugging a performance issue that only appeared in notarized macOS apps—and the hidden cost of ScreenCaptureKit security checks.
Concurrency-Safe Notifications in Swift 6.2
NotificationCenter finally gets first-class Swift Concurrency support with MainActorMessage and AsyncMessage. Here's how to use them—and why they matter.
Objective-C Block Syntax
A quick reference for Objective-C block declarations