Not only is it crammed full of new features but the developers also improved performance, and in some cases quite dramatically so.
You'll also find UI improvements, much improved text editing, multi-threading for Cycles' Light Tree and lots more There's now an asset bundle with a collection of human base meshes ready for people to sculpt, animate, texture and so on.
With some of the new features including: hardware ray-tracing acceleration for AMD and Intel graphics cards, although the AMD side is not supported on Linux yet. Showing many companies how open source can be seriously successful, Blender version 3.6 is out now and it's a long-term support release so it would be good to upgrade and stick with it for a while.