The next release will support php7.

it's currently running on the developer site at https://www.ubbdev.com with php 5.4

with php 7.0 at the following large scale sites:
https://celicahobby.com
and
https://www.agardenersforum.com/forum/

and developer testing at several php 7.1 and php 7.2 test environment forums.

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