Remember to backup your database before updating to a beta version
Updating instructions from 1.17 -> 1.18: https://forums.alliedmods.net/showpost.php?p=2371063&postcount=841
Updating instructions from 1.18 -> 1.19: download the new skillgroups.cfg and replace the old one in addons/sourcemod/configs.
If you want to keep your old titles then you'll have to manually copy over the old ones and make SURE that the colors are supported
This fork is probably the most updated version you'll find available, please note that it's compiled against sm-1.8 and only works on sm-1.8+
The original developer(s) quit their work, the latest (Jonitaikaponi) has gone as far as deleting the repo. I (Nikooo777) will try to keep it going
Alliedmods thread: https://forums.alliedmods.net/showthread.php?t=264498