Since this version i can not print more than one foto. The option is not available anymore in the menu
4.12 is an older version. Please try with universal Linux AppImage bundle. 5.14.0 pre release can be downloaded here : https://drive.google.com/drive/folders/0BzeiVr-byqt5Y0tIRWVWelRJenM Gilles Caulier
Not reproducible with last 6.0.0 Gilles Caulier