Paper here
https://arxiv.org/pdf/1806.02404.pdf
They treat the Fermi Paradox as a range of uncertainties rather than as point values
Their Conclusion :
When we update this prior in light of the Fermi observation, we find a substantial probability that we are alone in our galaxy, and perhaps
even in our observable universe (53%–99.6% and 39%–85% respectively).
’Where are they?’— probably extremely far away, and quite possibly beyond the cosmological horizon and forever unreachable.
Shame about that I was hoping for ET