

I’m on KDE as well, but you’ve got to admit that the way Gnome’s overview, virtual desktops, app menu, and search interface all work so seamlessly and logically together is a thing of beauty. Tap “Meta” one time and you can see all of your running programs, drag them between desktops, scroll to switch desktops, start typing to open apps and files… it just works. Meanwhile on KDE, it’s a relative pain to remap the “Meta” key and moving windows between desktops still feels clunky even in the overview.
All of that said, I still prefer KDE. Plasma 6 is set to integrate many of the Gnome features above, and KDE’s design philosophy as a whole is much more flexible. For example, I use two side-by-side monitors and it makes logical sense to imagine my virtual desktops as being sets of monitors directly above/below my physical ones that I can vertically scroll between. On KDE, it’s easy to set my grid of virtual spaces to be one column with many rows and be done with it, or for someone else to pick the opposite, or for them to go with a full grid of spaces if they so choose. But on Gnome, even though the vertical layout used to be the default, their newly dogmatic insistence that we only slide sideways means I’m dealing with multiple plugins that often glitch or conflict with other parts of the UI.
Both systems have their merits and deserve a place. (But I’ll gladly fight with anyone who denies that KDE is the obvious king)
I migrated my daily driver from Ubuntu > Kubuntu > Nobara (based on Fedora), and I understand that fear of switching away from Debian after investing years into its ecosystem. Even still, Nobara has been wonderful and you might end up enjoying it (or another Fedora distro) just as much as I do. Like with Ubuntu/Debian, most apps are pre-packaged for Fedora, and the switch from one to the other is often as simple as trading
sudo apt install
forsudo dnf install
.If your shoes, the thing I’d be more worried about is the transition from Kubuntu (with its built-in tweaks that smooth out the rough edges of Linux and offer an “it just works” experience) to bare-bones Debian. Love 'em or hate 'em, Canonical put a lot of work into their distro and it became the go-to for a reason. That’s actually how I found myself on Nobara - the promise of pre-applied usability tweaks. I’m not a gamer, but I love that media players, graphics packages, OBS Studio (which I use for Zoom meetings at work), and my condenser microphone all work out of the box. And then there’s the gaming stuff as a cherry on top.