John Leguizamo used it at the Oscars the other night
https://www.pewresearch.org/hispanic/2020/08/11/about-one-in...
> However, for the population it is meant to describe, only 23% of U.S. adults who self-identify as Hispanic or Latino have heard of the term Latinx, and just 3% say they use it to describe themselves, according to a nationally representative, bilingual survey of U.S. Hispanic adults conducted in December 2019 by Pew Research Center.