Thanks for the suggestion. We have a report of a problem with 2.2.1 on Linux, so I haven't updated it here yet. We currently don't have a Linux developer to test it.
Viewing post in Hero-U: Rogue to Redemption comments
Okay, can I ask why you don't update those versions for which you don't have an error report?
Also, would it be possible to get a Steam key? I purchased the game here (Nov 4, 2019, and I can show you the e-mail), but I find Steam more convenient for consolidating my game purchases.
That being said, I don't want to make a big deal out of it. If it's impractical or inconvenient, I'll keep using it from my Itch.io account.