None. even on off asa and trigger from 11 to 12 was minimal. They have a good gun though and just have to re invent the wheel from the business side of things apparently.
I could be wrong since there is no manual out but I am confident they are clones of 12
The differences between the 11 and 12 are notable as the ASA and trigger are the exact same on Dye's higher end markers and would be fairly costly if purchased separately (UL airport, Ironmen Reach trigger).