Changes from version 0.11.5 to 0.12.0 are as follows:
Added one more line to the audio mixer, which has now 4-in/4-out/4-bus in total.
Updated libopus library to the latest version 1.1.2.
Replaced deprecated Carbon Component Manager APIs.
and done App Sandboxing.
If you have a problem with your Event Handler AppleScripts, try to reselect them in the Events panels.
As always any reports or suggestions are welcome, by the comments below or emails.