Which is the last version of PM that works w/o major showstopper issues?

[TwoFour]

Tried 8.2. Not the case.

 

[Daniel_Dog]

I run proxmox VE 8.2 without any issues.
Can you please let us know the problems that your are facing with proxmox VE 8.2?

 

[Kingneutron]

Need more info about your hardware, impossible to help/advise otherwise--!