Ubuntu 16.10/Kubuntu 16.10 ship with the photo management program digiKam 4.14.0.
digiKam 4.14.0 can detect my PTP camera (Canon Powershot G1 X); the camera is listed under "Import -> Cameras -> xyz". When I click on my camera name nothing happens. When I run digiKam from a console I can see the error message Failed to detect camera with GPhoto2 from Solid information.
digiKam 4.12.0 (shipped with Kubuntu 16.04 LTS) used to open a new window with previews of the pictures stored on my camera.
 
    