Dear Maintainer, since recently, gwenview does not display png files anymore. Instead, I see the error message "Loading ‘test.png’ failed Gwenview cannot display documents of type image/apng.". Here's the console output: $ gwenview test.png org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/hej2k" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/vnd.radiance" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-epson-erf" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-hasselblad-3fr" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-hasselblad-fff" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-leaf-mos" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-mamiya-mef" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-minolta-mdc" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-pfm" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-phaseone-iiq" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-phm" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-pxr" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-samsung-srw" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-sct" org.kde.kdegraphics.gwenview.lib: Unresolved mime type "image/x-sinar-sti" org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type "image/x-samsung-srw" The file is a regular png: $ identify test.png test.png PNG 1920x1428 1920x1428+0+0 8-bit sRGB 191946B 0.000u 0:00.002 Other Plasma applications (Okular, Kolourpaint, Dolphin preview) work fine. Let me know, if I can help out with more information. Regards, Hendrik