The wait is over — after almost a year being in Early Access, UE5 is finally available to download!
Check the new example project Lyra and The Matrix Awakens!
https://www.unrealengine.com/en-US/blog/unreal-engine-5-is-now-available
There are many new features like Lumen and Nanite, but also greatly improved environment, a redesigned Unreal Editor, better performance, artist-friendly animation tools, an extended mesh creation and editing toolset, improved path tracing, and much more. See the documentation for full details.