Just pushed out another patch; hopefully this fixes issues people were having with freezing after finishing a mission, and crazy birds.
I'm a tiny bit nervous about this because to fix it, I basically had to re-write the mission assignment logic. Which is good, because it was a mess, but potentially bad because I may have made it worse.
I spent several hours testing and everything looked good on my end, but *please* let me know if something is broken. The best thing you can do is email me your saved game files; that's the easiest way for me to get an idea of what went wrong, per these instructions:
http://steamcommunity.com/app/332540/discussions/1/626329821144609182/
But hopefully none of that happened and this just fixed stuff :)