It's crazy to realize it has been ten years already since Red Hat abandoned their Btrfs plans for Red Hat Enterprise Linux and dropped it, which was a technology preview feature since RHEL6. In its place Red Hat engineers began developing Stratis for next-gen Linux storage with ZFS/Btrfs-like features but instead building atop XFS, LUKS, Device Mapper, and Clevis. After a while since the last major release, Stratis Storage 3.9 released today...