Many professional studios avoid upgrading macOS to preserve 32-bit application support or legacy drivers. Since MainStage 3.6.4 runs natively on Mojave, it is the last reliable version for users who refuse to upgrade to Catalina or Big Sur.
The Mac App Store requires an internet connection. For users installing on a studio Mac that is intentionally kept offline (to prevent automatic updates or malware), a standalone .dmg file obtained from a trusted backup or secondary machine is the only solution. MainStage-3.6.4.dmg
MainStage does not install all its massive library (approx 30GB+) at once to save space. Many professional studios avoid upgrading macOS to preserve
If you are wondering why you are installing this specific version, here is the context: This is the most critical step for live performance
This is the most critical step for live performance. Go to MainStage > Preferences > Audio.
Version 3.6.4 handles CPU better than earlier versions, but you must: