1. With dedicated resources, next month, but that's a long shot. November looks more likely.
3. This is flat-out strange, what game are we talking about here? I can investigate it further...
6. That gives me an idea for a different way to visualize layer state, but your conclusion is spot-on: State *has* to stick between sessions. Rejoining can't affect things. This will be fixed asap.
And again, you're spot-on: If you don't tell us the issues, we can't fix em. That's not being harsh, it's being incredibly helpful.
Keep it coming!