It's gotten a lot better this patch for me. I have not made any changes to my setup or any settings between 6.0 and 6.0.1, except disabling spatial audio.
Cutscene's have barely any crackling anymore - and for the first time ever, Inns and Baracks do not constantly pop anymore - just minor, occasional popping when menuing. Funnily enough, enabling spatial audio made it better pre 6.0.1 - now it's better without spatial audio enabled. I may actually start MSQing now.
Win10 10.0.19042
AMD FX 8320
GTX 1070 Ti (30.0.14.9709)
32 GB RAM DDR3
ASRock 970 Pro3 R2.0
Stereo Headphones at 44k 24 bit
Realtek HDA 6.0.9132.1
Listening Position: 100
Equalizer: Standard
Player Effects Volume: 100
Wireless Controller Setting: 0 + muted.
Immersive Spatial Audio: disabled (installed)