@tromino I dont have flatpak setup here. but anyway, this will become a problem when mixing shared libraries.we already have that issue with ardour and aubio libs.. but this is likely not the place for this type of discussion.
to summarize, not coming to flatpak from my side, as I prefer to build things statically (so a binary will work on any system). but of course anyone is free to package/add them to flatpak, I can review such package.