Since installing Ubuntu 22.04 icons are missing on the thumbnails images in Digikam. In particular, the mini icon top right of a globe to signify "this item has geolocation information" is missing though the tool tip can be made to display by mouse over the icon that does not display. Digikam is 7.5.0 installed from synaptic. The snap of Digikam 7.6.0 did not work.
Installing breeze from synaptic solves this. Perhaps it should be addressed as a dependency in Ubuntu 22.04 onwards.