*thumpsup*,*thumpsup* best regards Blacky

That would require Crystal Dock to be in the official repo, but it's not the case yet. I'll look into it in the longer term though. Cheers,

Hi Dangvd, take a look : https://images.pling.com/img/00/00/04/32/52/1955362/screen-00019.jpg left top by side of konsole, this widget/applet/miniprogram, for see the updates : dnf/apt...

You mean the check-update icon on Crystal Dock itself, or on Plasma panel/desktop? I think self-updating might be hard, but some sort of notification might be more doable.

no problem, yes, something like the update-appet where has exist in QT5 at past(but no more update/support), if you have become with and have see it, a small applet-window with a button for Check...