SAMBA+ 4.12.3 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 4.12.3 release notes.
Additionally fixes for the following issues are included:
Bug 14382: Use-after-free in winbind
Bug 11990: dnsserver: correctly set rpc flag for reverse zone
Bug 9869: Use function level 2008_R2 for domain classicupgrade
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.