I did test them to the extent I could(jsfiddle, checking rolls in a existing game) and I did get a offer I accepted for a test game, but only after the update. Jakob said: And you know this, for the future, you really need to test your updates for bugs before you submit them. Take advantage of CPPs offer if you don't want to buy Pro. The weekly update cycle means you really can't afford to introduce serious sheet-breaking bugs. Yes, I tested it to the extent I could, did see the fallout of my actions and everyone else have also made it very clear now. Edit: 2018-02-26: More improvements and changes have been made over the past months, summary can be found here .