jack needs extra handling (a lot)

[Samueru-sama]

Context: LMMS/lmms#8105

TLDR: Starts here

[Samueru-sama]

cc @fiftydinar can you investigate how flatpak handles jack if at all? All info I find is that it is no supported but the comments are very old (+4 years old).

[Samueru-sama]

Looks like the solution is just using pipewire-jack which provides a drop-in replacement of libjack.so

sauce

Works in Fedora 38 without problem