In my opinion, if you've got a major update planned for Q3 and it's almost a full month into Q3 with no concrete release date yet announced, it makes me think one of two things.
1. Your communication is poor, and really needs to be improved.
2. You haven't announced a release date yet because it's going to be pushed back even further.

Option 1 is fixed directly with better communication, and Option 2 is fixed with communication as well. It's an early access game, consumers have a right to urge devs to share insight into how their early access game's development is going. I don't know how you could argue against this, really.