> by the time my M1 macBook Air gets slow enough to annoy me (maybe a year or two from now?)
It should be good for at least 5 years from now, if not more.
It should be good for at least 5 years from now, if not more.
Funny, there's even some regression in layer backed NSView rendering where the app I'm working on is faster (in some aspects) in a macOS 15 VM than on bare metal under macOS 26.
https://furbo.org/2025/10/06/tahoe-electron-detector/
I've got a couple things that I use which aren't yet up-to-date, and are blocking my upgrade.
OP said it should last for " at least 5 years from now, if not more." which I doubt. Maybe for light webbrowsing.