From Lisa Clascal, used until the Mac got its own development environment in MPW and Object Pascal, to Swift, Apple has changed direction every decade.
Xcode
Want to build in Xcode 26 b3 on macOS 26 b3? You may have problems with Icon Composer icons, which may not work on previous versions of macOS. Here’s a workaround.
To avoid your app’s icon going into the sin bin, replace it with one generated by Icon Composer. But that in turn requires overhauling some windows, and there’s a catch in NSLog waiting to get you.
Tuning your Mac for performance can be a good investment of time. Beware of general benchmarks, though, and develop your own objective measurements. Then identify the rate-limiting step methodically, so you can address that.
It may seem strange, but each new version of macOS brings a hidden feature that determines which older […]
How could you study how Apple silicon CPU cores are used to run code? Comparisons between Activity Monitor, Xcode Instruments, and powermetrics.
Do you use a simulator runtime in Xcode? If so, did the recent (30 April) update to XProtect […]
If you leave some apps without an open window, macOS appears to quit them, but instead puts them into App Nap, only to quit them when it wants to. They’re undead.
Just 4 cores and 16 GB of memory were used for the virtual machine to run Xcode and build apps successfully, but only for local testing.
You can’t fail to notice changes in System Settings in Ventura, but just what has changed inside it? How do third-party Preference Panes cope?
