Neither one thing nor the other

[Egon the Monkey]

We can't party up any more, but we can't use setally either it seems, or take quests as they still require a party size, the log claims.

[Verybigliar]

the new update was reverted, and it was said to be disregarded for now, as Snoteye says. Atm, though, no other than Mort knows how to remove party invititation disable.