Just pushed a patch release that should fix:
1) Invincible players in Paintball - this one took us a while to reproduce, but we are pretty confident we squashed it. If you see any invincible players, let us know!
2) Some conditions where parties could get stuck in "black world", or forcibly separated, when going to an activity (especially Paintball Homestead).
Note that due to some new lighting stuff, Paintball Homestead is taking 10+ seconds to load the first time you go there. Please be patient! We don't have any animated feedback to show you it's still loading, so give it at least 10 seconds and it should work.
As always, please give us any feedback positive or negative either here on Steam, on Reddit at /r/recroom, or on twitter @againstgrav!