Please see the pinned post: About the Vermintide 2 - Bugs Category to see what information to include in your report.
Sound queues are working horribly, hear specials like they are on top of me or in the opposite direction, its terrible. (every level all times even with low ping ((sub 50))))
Enemies turning invisible (all maps)
enemies walking through air (all maps)
waves and units spawning inside player (all maps)