Hi. Whenever I open up LMMS, I cannot hear any of the sound. I've traced this back to the output resetting itself every time I restart LMMS. (I believe that it is worth noting that I'm using bluetooth headphones).
OSX Sierra v10.12.5
LMMS v1.1.3
EDIT: After rebooting the headphones, it worked.
OSX Sierra v10.12.5
LMMS v1.1.3
EDIT: After rebooting the headphones, it worked.