You might be "between the worlds", meaning that some packages haven't been updated properly. Reasons for this might be unofficial repos enabled etc. In terminal: Code: devel-su ssu release 2.2.1.18 pkcon refresh version --dup After `version --dup` has finished reboot. Then run Code: pkcon refresh version --dup and see if it still finds more packages. If it doesn't find anything more to download, at least you know that you are completely in the latest version.
devel-su ssu release 2.2.1.18 pkcon refresh version --dup
pkcon refresh version --dup