Yeah the latest version doesn't fix the desync I don't think
We aren't entirely sure what the exact cause is though, since the main problem is that the desync seems to depend on the computers or the connection between the people playing the mod together, and we haven't been able to recreate it ourselves. Just hard to test fixes without being able to see the results, but hopefully it'll be fixed by the next update
The footage/images you provided really help narrow it down though!
*also yeah you have to manually redownload, it's not automatic