Patch for Heroes 5 v.1.2 (When will it be released?)

I don't think they said anything about an add-on, just patches.
Question: Will 1.2 be installed on 1.1, or can it be installed on 1.0?

and let me explain it to you, you idiot: the update from 1.1 to 1.2 only contains 1.2
and the update from 1.0 to 1.2 contains both patches.
and that's how it's done everywhere.