This project is not completely dead. I've just started work on localisation.
If you're getting a "Deprecated" error message, follow the instructions here
URGENT Security Patch for ≤ v2.2.6
A security hole has been discovered, follow the instructions and download the patch at the topic page.
Did the patch break your search page? Search Patch
Has any integrated any form of text or banner advertising into their UPB forum?
If so could you show us some examples and let us know how you did it.