Louis, > > Rapsbian will be last to build so if you in a need for the newer versions, use/try buster-samba412 > If you can test it, would be great. Successfully updated a rpi 3B DC running samba 4.11.9 and a rpi4 member server running samba 4.12.0 to 4.12.3. No issues as far as I can tell Thanks, Roy