On a newly archlinux, I can't run the Editor on any project.
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Download the UnityHub.app from here
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Install any Unity Editor note: I've tested using UnityHub
2018.4.22f1
,2019.3.11f1
and2020.2.0a8
) note2: I also installed the version2019.1.0f2
from the forum topic Unity on Linux: Release Notes and Known Issues