A Hat In Time has been updated to a new version PC by Gears for Breakfast. You can find out the complete patch notes from here.
This update is related to Vanessa’s Curse in the game. It appears to resolve an issue with the network stability for the high-capacity lobbies in the game. The patch notes for this update were shared on the Steam forums, but you can also have a look at it below.
A Hat In Time Update Patch Notes November 29
An update to Vanessa’s Curse is now available, a Steam restart may be needed to receive the latest updates.
* This patch provides significant improvements to network stability for Vanessa’s Curse for high capacity lobbies.