I’m not sure what the A series chip does and doesn’t get - I get that it doesn’t have the variability in the pixel density, but does it not get stage manager at all? Does it stick with the old multi-tasking paradigm? Anyone have the beta running on a non M1?
Given Apple tend to have fairly long support for devices (as someone rocking an iPhone 6S until recently!), I think this is a genuine hardware limitation. The memory management in M1/M2 and graphics handling seems to be significantly different to earlier chips.