It looks like the last verified contact with them has been in 2018. Recently a youtuber went there and tried to get their attention, but couldn’t find them.
Is it possible they’re not even still around? Maybe a disease found its way onto their island and took them out. It could have even been from the last visitor in 2018.
Their language is not mutually intelligible with other nearby tribes’ languages. It’s very likely that they have been isolated from all other human contact for a very long time.
Anthropologists visited them in the 90’s and even left gifts. They know we are here, they have chosen to remain isolated. The attempt to communicate has been made.