Tags→#git
Review your own PRs
I wrote in a (student) newspaper once. I bet I wrote ~10 typos per page. 9 of which I caught on my own review. Similarly, most bugs I write are apparent to myself when I review the code. It's like it's two different brain modes: producer and reviewer.
Test "commit driven development"
Writing smaller commits is a constant practice that I feel often pays off. The Primeagen's reflections on the topic is worth seeing (from 11:16, earlier parts are so so). Challenge: for your next feature, write commit messages first!