For my first few hours of play today I came across 3.
Josajef a quest giver for the Psijic order sending me to pick up the Augur, her lips stopped moving while she continued speaking her dialogue for the quest.
I visited the Colossal grotto home, in the highest room which is wood planked and has a set of parallel stairs, the stair case on the left either wouldn't let me walk up or it made me walk very slow.
In the quest Lost at Sea, while "Defending the Ballista" one of the attacking enemies would pause then disappear for 1 second then reappear to attack again. This occurred continually till I killed the one enemy. The other attacking enemies didn't exhibit this glitch.