Are you trying to install (like those from Steam Workshop)?
Collectible stickers used as social emotes or for decorating the weapon. Known Technical Notes A.Hat.in.Time.Ultimate.Edition.Update.v20190526...
The update version (internal version 1.26) for A Hat in Time was a critical post-launch patch following the release of the Nyakuza Metro + Online Party DLC . Update Overview Are you trying to install (like those from Steam Workshop)
Patches in this era addressed specific CPU optimizations and camera rendering fixes to handle the higher player counts of the Online Party mode. A.Hat.in.Time.Ultimate.Edition.Update.v20190526...
Ensured compatibility for the Ultimate Edition , which bundles the base game with both the Seal the Deal and Nyakuza Metro expansions. Key Content Included (Nyakuza Metro DLC)
Are you encountering a specific during the update?