GNOME 40 Released With Many Improvements
GNOME 40 is out with the GTK4 toolkit in tow, many improvements and alterations to the GNOME Shell including major changes to the dash and workspaces, Mutter has continued refining its Wayland support, Mutter also added a native headless back-end for testing, atomic mode-setting is now supported, input handling is now done in a separate thread, and a wide variety of other improvements. And, yes, there is also the big shift in GNOME's versioning practices moving forward while still sticking to the same six month release regiment.
GNOME 40 is a significant update to this GTK-based desktop environment. GNOME 40 will be found in the likes of Fedora Workstation 34 while some like Ubuntu are opting to stick to GNOME 3.38 until their H2'2021 round of releases.
Learn more about the big GNOME 40 release at forty.gnome.org and the release announcement.