The Samba team at SerNet has just released SAMBA+ 4.17.6 software packages. They are available for various SUSE and Red Hat platforms as well as for Debian GNU/Linux, Ubuntu and AIX.
These packages address several issues, which are listed in the release notes:
https://www.samba.org/samba/history/samba-4.17.6.html
Due to some interim updates for 4.17.5 this release also contains next to other improvements patches to
- solve an issue with restoring from snapshots (previous versions),
- fix the directory name case normalization, when the combination of the following smb.conf options is set:
case sensitive = yes
preserve case = no
short preserve case = no
