StackOverflow to becoming more welcoming. 👏
For me (cis het dude with monster-sized Asian tech privilege), learning to StackOverflow properly was certainly a learning experience, and I have the closed questions to prove it. I've also gotten enough useful feedback through it (and other StackExchanges, like GIS and statistics) that I try to give back by "mentoring" & showing how to improve the question.
Downvoting unhelpful comments is a great start. I see that too much.