mint will be stuck on xorg for the foreseeable future.
Mint will use xorg as the default session until 2026, where it is projected that wayland will solve most if not all of its showstoppers.
Mint’s cinnamon DE is built off of Mutter, GNOME’s compositor, so all it means is that Mint will be doing the same thing that it has always done, been what GNOME could have been if it hadn’t reinvented itself.
Mint is a workflow extremely similar to what most users have experienced on Windows and specifically caters to Windows users or users coming from proprietary operating systems.