(Fun fact: Discourse warns us of such things when we try to include a previously posted URL)
This is a long time, but my personal feeling is still that a crate should have recently done something noteworthy (milestone release, big new feature, etc.) to have a second chance at the spotlight.
Crossbeam feels so foundational, and so stable, these days (a massive compliment! ) that I wonder if it qualifies as needing “more attention”