Following a few hours of maintenance tonight (PT/ET), Dark Souls 3 update 1.09 will go live on PlayStation 4, Xbox One, and PC.
Focused mainly on fixing issues with the Ashes of Ariandel expansion, here’s the full list of patch notes for the new Dark Souls 3 update, keeping in mind that there are DLC spoilers ahead:

Updated multiplayer in the Painted World of Ariandel so that guests can also fight Sir Vilhelm.
Fixed an issue in the Painted World of Ariandel where Sir Vilhelm would get trapped in the rocks.
Fixed an issue in the Painted World of Ariandel where Sir Vilhelm would disappear/reappear in certain areas.
Fixed an issue in the Painted World of Ariandel where the character name is not displayed when locked on to Livid Pyromancer Dunnel. Fixed an issue where it becomes impossible to progress further in the game because, Friede occasionally does not respawn as Blackflame Friede.
Fixed an issue in the Painted World of Ariandel where the Gravetender Greatwolf would not appear in the battle.
Fixed an issue in the Painted World of Ariandel where a crab enemy would float in the air if led to a certain location.
Fixed an issue in the Painted World of Ariandel where a certain Birch Woman would suddenly appear directly in front of the player.
Fixed an issue in the Painted World of Ariandel where certain crystal lizards would not move until they began to attack.
Fixed an issue in the Painted World of Ariandel where the crab enemies movement patterns would change ...