A full browsable history of your Mac’s system and security updates in this free utility for 10.11-11.0.
Apple silicon
Coming now to Apple Silicon Macs: all ARM-native executable code is required to be signed. Full details of this important change.
Look forward to Universal Apps, which will show how well Apple Silicon Macs perform. There’s a lot of history buried in them too.
Can you strip all Intel executables from a Universal App to make it even smaller? What benefits might there be in building an app for Big Sur only?
Will stripping executable code for an unwanted platform stop an app from working? What savings are to be gained?
No longer relies on the tool lipo, but inspects Universal Binary information, which is quicker. A Universal App.
How easy is it to read the start of a Universal Binary and work out whether it supports Apple Silicon?
Apple gave us a big clue in the command tool lipo, which underwent complete overhaul in Mojave – a clear signpost of where it is heading.
How testing Mach-O files to see if they’re Universal Binaries gets complicated – and probably isn’t as reliable before macOS 10.14.
New version for Mojave and later improves accuracy of detection of Universal binaries which can run on Apple Silicon.
