Below you will find a Video playlist of the Revit 2020 new features!

Enjoy!

https://www.youtube.com/playlist?list=PLY-ggSrSwbZp96bfr4fJKYqs2aoTI8wvs

Here are the Revit 2020 release notes, new features, along with issues resolved in the 2020 version.

https://help.autodesk.com/view/RVT/2020/ENU/?guid=RevitReleaseNotes_release_notes_html