There seem to exist a couple of different ways to bundle desktop applications on Linux - AppImage, Snap, Flatpak, ... Please vote for the below entries, so we can estimate the distributation.
I think supporting both, Flatpak and Snap (along with the classic .tar.gz) can be really good options.
Support Snap, bitte! The votes here say it all: https://smartgit.userecho.com/communities/1/topics/726-make-smartgit-available-as-an-ubuntu-snap
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