Speaking of the macOS menu bar, is there some way to make it overflow into a hidden area behind an "expand" button that would appear when there is no more room, like the notification area in Windows does?

The macOS UI decision of "just pretend that whatever doesn't fit to the right of the notch doesn't exist" is baffling.

I've seen a few apps that claim to do that, but it's always done in some really hacky way (such as needing screen recording permissions), and the behavior is never that of simple overflow handling. Instead they have "always hidden" sections and things like that, which is not what I want.