EDIT: I guess these were Steam file updates?
Perdido (Perdido) #1
VaultHunter101 (Is this thing on?) #2
Given that the last announced PC game update was October 2015, I would think so.
Gulfwulf (Cast Iron Chef) #3
Steam has been having issues here lately saying games have updates that don’t. Just “update” it and the notification should go away.