Fedora 33 has been released bringing with it GNOME 3.38, the BTRFS filesystem as default, and updates to many software packages including Python, Ruby on Rails, and Perl. It's ready for download now.
Gnome 3.38 RSS
Canonical has released Ubuntu 20.10 Groovy Gorilla. This update comes with Linux Kernel 5.8, GNOME 3.38, and a plethora of other new and updated packages. It's supported until July 2021.