I haven’t, and prior to this post I wasn’t even aware of flatseal. I haven’t been doing too much dev work on my home machine lately, so fixing this gripe is kinda low on my priority list, but I’ll keep that in mind as an option if I ever get around to it. Most likely, though, I’ll probably just go back to the tarball. I really do think that I picked a less-than-ideal use case for flatpak on this one.
It’s not his fault that sand is coarse, rough, and irritating, or that it gets everywhere.