Almost every time I have to switch between platforms on my desktop, I end up having to reimporting my whole project because I had the wrong license active when opening it.
If I could somehow just activate all the licenses that I own at the same time, I wouldn't have this problem.
It doesn't sound so important, but I've spent weeks and weeks in total, just sitting around waiting for the double reimport to happen, because of how often I do it. It's not just me on my team that does this either. It's just a complete waste of time.