I have some bug reports for PA opening BZ and only one ever got a response.
Is it possible that this is the cause:
You can't ask /Lennart Poettering <lpoetter(a)redhat.com>/ because that
account is disabled.
I tried a needinfo request after a month long silence.
Short: PAVU shows the input meter at the app output tab since the
upgrade from f34 to f35.