I just installed the AppImage for the new version. Have not used lmms before. I was trying to get it working with jack to input midi from my keyboard and output audio to my system. On the midi page I was able to select jack midi and connect through jack2, qjackctl, and a2jmidid. So connecting midi worked. It was also not outputting sound at all. So I changed the setting on the audio tab to alsa and something else. Now I can't start lmms, crash on start. I see it in jack for a second before it goes away. I tried uninstalling the appimage and reinstalling and it is still crashing. Is there really no log file to post?