This video says about itself:
A documentary exploring the diversity and conservation of one of the world’s last remaining true wildernesses, Maliau Basin in Borneo. Filmed Jan – March 2016 by Matt Jarvis.
Probably, they discovered many more species new for science. However, the scientists in the expedition were specialists of some beetle families and did not know everything on other beetles and animals. So, further research on what they found may discover much more.
An extensive web site, in Dutch, about the expedition is here.