Patch 8 in my environment seems to be stable, I'm in the process of testing patch 9 so I have no advice there. what patch are you on now, I know that patch 5-7 had some issues, and 8 did not fix them but in general its stable. The only fix I found in...

ISE 3.1 patch 5-7 has a bug in it that affect the client endpoint database, My 2 cents worth ... I would go to patch 8 and sit there until you're ready to go to 3.3. I believe 3.2 is a short release version and everything should be stable by 3.3 whic...