The main difference to me was that I could see the "trending" tweets and additional "recommended" tweets after the comments on the one that I was reading. That

The main difference to me was that I could see the "trending" tweets and additional "recommended" tweets after the comments on the one that I was reading. That started post Elon. There was also the login popup that was trivial to X out that seemed to appear more frequently after Elon took over.