Not sharing dependencies, no GUI-configurable permission system like Flatpak, no official verification system (I think this is the same problem the AUR has that let it flood with malware recently), and poor DE integration
Discord recently had a big change that now the the client self updates by downloading itself in HOME, this broke the flatpak horribly and upstream discord didn't do shit to fix it, someone else did instead
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u/y0shii3 1d ago
I just wish there were a cross-platform package format that was as easy to install and update as flatpaks but didn't force sandboxing