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That's always been true, both with computers, tablets, and phones. Old versions of the OS don't support newer hardware. Often, hardware used to ship with a specially patched version of the OS and would be supported by the mainline OS in the next dot release.

Sorry for being nit picky but not really. You need to look at the OS that was preinstalled when that particular model was released rather than what OS an individual machine came with.

Thanks, that makes more sense.

It's an important clarification for anyone wishing to upgrade to a newer machine but wants to avoid being stuck with Ventura until if/when it's sorted out.

That's true, it's always been like that