SAMBA+ 4.12.5 has just been released. Packages for various SUSE and Red Hat platforms as well as for Debian GNU/Linux and Ubuntu are available now.
These packages address a lot of issues, which are listed in the Samba 4.12.5 release notes.
Additionally fixes for the following issues are included:
Bug 14426: log level for debug classes is ignored
Bug 14427: vfs_ChDir() may not set conn->cwd_fsp->fh->fd = AT_FDCWD
Bug 14428: PANIC: assert failed in get_lease_type()
SAMBA+ packages and all later versions are available as software subscription. They can be purchased at the SAMBA+ shop, detailed information and prices are listed at https://shop.samba.plus. The subscriptions are managed at our platform OPOSSO (https://oposso.samba.plus). Users can activate their subscriptions here and manage access credentials. The new SAMBA+ packages are included in existing subscriptions.