Sorry if this jinxes it, but the latest Monster Hunter Wilds performance improvement patch seems like it actually improved performance

I'm as shocked as anyone.

Capcom Drops Monster Hunter Wilds Patch That Aims to Improve Optimization for 'Steam-Specific Processes' and Address Long-Standing PC Issues

Comments on DLC issue.

The new Monster Hunter Wilds update is way better than I was expecting, and I can see the light at the end of the tunnel

The new Monster Hunter Wilds update aims to tackle its PC performance problems, and while it's not perfect I've seen a ...
Rock Paper Shotgun

Monster Hunter Wilds patch stamps on DLC performance bug

An infamous Monster Hunter Wilds bug, wherein owning more DLC would apparently improve performance in camps, has been fixed - alongside other PC optimisations.