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MacOS: "The world came into existence fully formed ten years ago so it would be silly to even try running software older than that."
10 years ago is giving Apple too much credit. They were using Intel processors then, ARM now. For now, you can still run Intel applications, but that won’t last much longer.
More importantly, a 10 year old application is likely to use Carbon instead of Cocoa. Unless it’s an extremely simple application (i.e. hello world), it is unlikely to run.
Then there’s the depreciation of resource forks, a new filesystem, tons and tons of extra security restrictions, etc.
Carbon wasn't that prevalent 10 years ago. 15, maybe. 20, definitely.
10 years ago, Carbon was already officially deprecated, and it had clearly been a second-class citizen for years before that. Most apps were already using Cocoa at that point.
god forbid you ever want to run any 32 bit programs. you can’t even play the orange box games anymore
They could've easily continue going the Catalina way (you can allow 32-bit programs to run after a warning if upgraded from an older OS), but they didn't. I don't understand why they forced 64-bit on Big Sur, it breaks so many old, non-updated apps and they know that.
they have a history of Thinking Differently about backwards compatibility. it’s just like the headphone jack all over again