That’s a flatpak program, so any dependencies it needs are stored in a container which won’t overwrite/affect the rest of your system.
Also, even if not a Flatpak, your system can accept some of the background Gnome/KDE stuff without any problems. Even if you did fully install a Gnome desktop environment, unless it removed the Cinammon Desktop environment, you’d be able to select the Cinnamon one at the login screen.
No. Your desktop environment will stay as is.
That’s a flatpak program, so any dependencies it needs are stored in a container which won’t overwrite/affect the rest of your system.
Also, even if not a Flatpak, your system can accept some of the background Gnome/KDE stuff without any problems. Even if you did fully install a Gnome desktop environment, unless it removed the Cinammon Desktop environment, you’d be able to select the Cinnamon one at the login screen.