1.5.0

• Flatpak package (#37)
• Merge double sided scanned document (#67)
• New UI look & feel (header bar, symbolic icons) (#87)
• Allow drag and drop to an other instance even if it is empty (#105)
• Cut / copy / paste actions (#140)
• Drop support for pikepdf < 1.7.0 and Gtk < 3.12 (#155)
• Preserve selection when dropping dragged pages (#162)
• Display total number of pages (#164)
• Improved cursor visibility and dnd drop reject (#148, #166)