I use the F2 key often when I want to rename elements. But on 2020.1.0a24 this key simply does not respond.
Ctrl+Z doesnt’ work either…
Could it be this issue? https://github.com/microsoft/MixedRealityToolkit-Unity/issues/6091
Is this project specific or does it happen in a new project for you as well?
I don’t think so, the bug described is apparently linked to a specific asset (the MRTK 2), but I haven’t imported anything. I don’t know if this has something to do or not, but, since it takes years for even empty projects to open, I haven’t turned the computer off nor closed the project for last 3 days, at night I put the computer to hibernate and then in the morning I just wake it up.
I cannot tell for sure if this is project specific, I doubt it, because my project is extremely simple, is made up of; just 1 scene with just a camera and script attached to it, 3 prefabs which are basically plain quads, nothing attached to them, 2 materials, and few scripts. The only packages I’ve installed so far are: Entities and the Universal RP.
Also this was solved after restating the editor… so… maybe something goes wrong when you put the computer to hibernate several times in a row.
Ctrl+z not working happened in different projects with different versions of 2020.1, in both Windows and Linux.
I know why Ctrl+z doesn’t work in my case.
I’m using Unity under Linux Mint 19.3 Xfce; it appears that, when I use Ctrl+Z, I actually type Ctrl+w… My keyboard must be set to English. 
Edit: my keyboard is not set to English, it seems that Unity doesn’t recognise it and uses an English keyboard. Crap…
Looks like it’s a known issue: Unity Issue Tracker - [Linux] Default shortcuts for different keyboard locations are physical location-based, not letter-based
I’ve reached out to the team for a status update.
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Thank you!
I have modified the shortcuts so that they work as usual for me (Ctrl+Z into Ctrl+W, Ctrl+A into Ctrl+Q and a few others) but I’ll have to do that in each new version, so I’d rather see this fixed asap.
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