The company that bought SO years ago has been making a bunch of shitty decisions since they bought it. Then LLMs happened and traffic continued to decline, and they been panicking since. This redesign is half baked at best and is being pretty heavily rejected by the community they have left.
Personally I'd start checking out alternatives, as the company is starting to lean pretty far into the Ai thing. I'd recommend looking at https://software.codidact.com/
Routers are pure terror