PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> Documentation says that PostgreSQL 16 is available for RHEL7, but the
> repository does not have it.
> Latest one is 15.
Whatever documentation you are looking at is wrong:
https://yum.postgresql.org/news/rhel7-postgresql-rpms-end-of-life/
So where did you see that claim?
regards, tom lane