Whether you drag an image onto a tag in the Left Sidebar or choose "Set as Tag Thumbnail" from the context menu on an Icon in the Image Area nothing happens. The only way to set an image as tag thumbnail is via the tag properties with the "Selct Icon" dialog, but only if it is png. Reproducible: always
Git commit b9fc564b8bcce3c951cc3cfc0990e11020567bff by Maik Qualmann. Committed on 22/01/2017 at 09:29. Pushed by mqualmann into branch 'master'. fix get the tag icon from the AlbumThumbnailLoader FIXED-IN: 5.5.0 M +2 -1 NEWS M +16 -24 libs/album/albumthumbnailloader.cpp https://commits.kde.org/digikam/b9fc564b8bcce3c951cc3cfc0990e11020567bff
Note: An tag icon from an image (as in the album view also), only appears if the icon size >= 20 pixels. Only standard icon or KDE icon for 16x16 size. Settings->Views->Tree-Views->Tree View icon size Maik
I know. My setting was on 22 all the time. Thanks for fixing!