1.39.7
https://evilpiepirate.org/git/bcachefs-tools.git/tree/Changelog.mdwn
All kinds of stuff; we're looking pretty good on stability and now it's mostly people just people turning up all kinds of interesting corner cases.
Lots of FUSE patches too - we now have fuse + xfstests running through the CI. The goal there is if there's another Arch hiccup or anything like that, fuse should be a solid and stable (just slow) fallback.