I used one of these back in the day for WoW raiding. It was awesome.
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I don't understand why they aren't note popular. So much more space for the mouse
I used one to play WoW too, now I use this with a gaming profile instead of needing a piece of dedicated hardware:

The profiles are done on the hardware, so it doesn't need anything special from the OS except to support keyboards.
I miss the keyboard screen series of Logitech stuff, I held onto my G510 a lot longer than I probably should have and only really retired it for something much nicer to type on around 2020.
If Logitech had released something like their G915 but with the screen, I'd have got it in a heartbeat. Even though game support had long dwindled, it was still good for media player feedback, system stats and IIRC there was a third party way of getting notifications from some sites to show up.
I guess smartphones kinda do most of that better these days... Well excluding the system stats, but that was always the fallback if nothing else was worth showing
Now we just need Logitech to re-release it