UBB.threads 8.0 works with PHP 7.0 - 8.3.
a compatibility chart is located in this thread:
https://www.ubbcentral.com/forums/ubbthreads.php/topics/266897#Post266897

The 2nd post in each release announcement gives upgrade/update instructions
UBB.threads 8.0.0 release
https://www.ubbcentral.com/forums/u...re-8-0-0-changelog-discussion#Post266193
UBB.threads 8.0.1 patch
https://www.ubbcentral.com/forums/u...-1-patch-changelog-discussion#Post266853

Inside of the main UBB.threads main archive, and patch archive is a readme.md file that gives upgrade/update instructions and changes information

Last edited by isaac; 01/07/2026 12:09 PM.
current developer of UBB.threads php forum software
current release: UBB.threads 8.0.1 // wip: UBB.threads 8.1.0
isaac @ id242.com // my forum @ CelicaHobby.com