Discover checks knewstuff (global themes, plasmoids, etc.), Flatpaks, firmware and snaps, (which all have a relevant backend package something like (discover-backend-packagekit). Discover, well more like PackageKit, will let you know if a reboot is necessary if there’s something like a kernel update.
![[Fedora 39] Why does Discover say there's updates while dnf say there's none? Also, why does Discover need to reboot to install said updates?](https://lemmy.ca/pictrs/image/266cefdc-1084-47c5-9d90-d53ce65471de.jpeg){kind=link}
Discover checks knewstuff (global themes, plasmoids, etc.), Flatpaks, firmware and snaps, (which all have a relevant backend package something like (discover-backend-packagekit). Discover, well more like PackageKit, will let you know if a reboot is necessary if there’s something like a kernel update.