Mainstage-3.6.6.dmg - Allmacworld Jun 2026

The "Assign and Map" function now remains active while mapping controls within a plug-in’s user interface, streamlining the setup of MIDI controllers.

Allmacworld is a well-known directory for macOS software, often hosting older versions of apps. It’s a go-to for finding installers that have vanished from official sites. MainStage-3.6.6.dmg - allmacworld

If you’re running an older Mac on macOS 10.15 (Catalina) up to macOS 12 (Monterey), 3.6.6 is a sweet spot—stable, mature, and less bloated than the latest versions. The "Assign and Map" function now remains active