What help exactly are you looking for? We're still supporting v5, although obviously a lot of our energy is now going to additionally supporting and developing hacks for v6.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.