Went ahead and moved your post to it’s own thread.
Can we go ahead and trouble shoot a few things? Have you tried switch between DX11 and DX12? You can do this via the V2 launcher under settings.
Are you using mods? Have you tried turning off all mods?
The i9 9900k CPU has 16 threads right? I remember reading somewhere that using more that 8 for game causes issues? In the settings on the launcher, try adjusting the “Worker Threads” for this.
You could upload one of your more recent console logs here as well,
C:\Users\YOUR PC NAME\AppData\Roaming\Fatshark\Vermintide 2\console_logs