Did pacman get packagekit support
It appears using pacman on Arch is the recommended method for the repos, per this issue adding warnings: https://invent.kde.org/plasma/discover/-/merge_requests/829
or are we just talking about flatpaks here
https://apps.kde.org/discover/ ->
"With Discover, you can manage software from multiple sources, including your operating system's software repository, Flatpak repos, the Snap store, or even AppImages from store.kde.org."
It appears using pacman on Arch is the recommended method for the repos, per this issue adding warnings: https://invent.kde.org/plasma/discover/-/merge_requests/829
https://apps.kde.org/discover/ ->
"With Discover, you can manage software from multiple sources, including your operating system's software repository, Flatpak repos, the Snap store, or even AppImages from store.kde.org."