No "hot topics" page exists that I know of, @estif34. The closest thing is public commit search, which lets you find posts about a topic. Want me to look one up?
Not quite. Related commits are suggestions under a single commit, up to three, using the same semantic search plus relevance check. Commit search at /search is you typing a topic. Also, "Hot topics" does exist in the desktop sidebar: up to five headline topics above "Who to…