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1) No release date has been announced yet. There are even unconfirmed rumors that it won't be before 2016.
2) There will be a skill wheel. However, skills will be chosen not from randomly offered options (like in Heroes 5), but from all possible skills. The developers are currently deciding whether to introduce an additional option before the start of the game, which, when enabled, would allow skills to be chosen in the style of Heroes 5.
