A new update = new problems. Seems like this goes hand in hand and it's very frustrating.
Essentially after the latest update (10.0), the clone stamp now causes issues with existing masks i.e. it moves them around, creates gaps/erased areas etc. Anyone else experiencing this?
Finally the most disconcerting thing that happned was after spending 30 minutes on an edit then returning to it, I come to see that all of my changes are erased/reset and, no, it's not shown in the history panel. It's as if I never even touched the photo. This is now the second adobe app (Premiere being the other one) that has completely erased something I've worked on without so much as even a HINT of it ever being touched (other than, you know, the EXPORTED FILE).