In pre-11 Windows you can see all open instances of an app from the taskbar, and with one-click open any one of these. Of course, there's an equivalent for Mac

In pre-11 Windows you can see all open instances of an app from the taskbar, and with one-click open any one of these. Of course, there's an equivalent for Mac as well, but it's not one-step, it's two step. I know it sounds like something minor, but it really rattled me on a Mac.