Back in April of 2019 I authored a blog post titled Liferay Faces downloads reach another all time high. I am pleased to report that DOWNLOADS HIT ANOTHER ALL TIME HIGH back in September of 2019, and held fairly steady until January of this year (2020). Downloads seem to take a dip after the holidays, so perhaps that's why we saw a drop-off in February. Since then, there has been an upward trend again.
I think that one of the best indicators of usage is reflected in the stats for the Liferay Faces Bridge Implementation artifact, which continues to show a general upward trend over the last 12 months:
Many thanks to our faithful JSF portlet developer community for making Liferay Faces such a great success since 2012!