I think I actually fixed the achievement this time. It worked after clearing all of my achievements and adding them back in...
The developer is having a very tough day today
RUBATO V1.1F
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 22472381 · experimentalvmbranchv11c branch
Steam updated · First observed
Build 22502532 · old-v11 branch
Steam updated · First observed