xdg portal here is not gnome or gtk, it's kde it the screenshot are
- waybar
- alacritty
- btop
- zed
- dolphin
also installed are
- mako
- fuzzel
- and kde apps
No I am happy with my lightweight alternatives. Try to follow the principle "do one thing well" as much as I can. So having smaller different apps is why I will never use DMS or noctalia