Seems like he's doing OK, thank goodness! https://old.reddit.com/r/PeaZip/comments/1cpdvum/peazip_980_...
Off topic, but this is why many devs choose electron.
Off topic, but this is why many devs choose not to support Linux. Every distro is its own special snowflake
most DE use the same standards (dbus etc) so no
And it's doubly not true for something like drag-and-drop, which exists on the Desktop Environment level rather than distro level.