Welcome to the forum !
Here are all important links:
viewtopic.php?f=1&t=4740
-A few rules and useful forum instructions
-Well, in honesty -lmms does only support mac sparsely. Especially lack of VST is a loss.
Afaik, there is no news around that in
10.13+
https://github.com/LMMS/lmms/releases/d ... c10.13.dmg
or
10.8+
https://github.com/LMMS/lmms/releases/d ... ac10.8.dmg
but those are the most recent versions.