I have Questie 3.1 installed on Kronos (WoW 1.12.1) and on all my characters but one (6) the tracker doesn't show up. I've tried resetting, /questie tracker to make sure it was displaying, everything. Any ideas what would be causing this?

First guess would be another addon. Check #231 #242 and if that doesn't help other tracker related issues.

I dropped Questie 3.1 alone in a fresh 1.12.1 Kronos client today. No other addons at all; same issue the tracker was no where in sight.

You can close this. The tracker popped up after I cleared the cache.