Our results show that women’s contributions tend to be accepted more often than men’s [when their gender is hidden]. However, when a woman’s gender is identifiable, they are rejected more often. Our results suggest that although women on GitHub may be more competent overall, bias against them exists nonetheless.
Why would someone know your gender, out your identity?
I mean it’s not exactly uncommon nowadays, there’s tons of commenters on this post that have their pronouns displayed next to their username