Mainstage 3.5.1 Apr 2026

MainStage 3.5.1, released by Apple on , was a maintenance update primarily focused on stability improvements and specific bug fixes for live performance setups. Key Stability & Bug Fixes

: Fixed an issue where recordings from outputs other than Out 1-2 would mistakenly include audio from Out 1-2. Context within Version 3.5 MainStage 3.5.1

: Starting with version 3.5, MainStage required macOS 10.15 (Catalina) or later due to the new requirement for Metal-supported graphics. MainStage release notes - Apple Support (IS) MainStage 3

: The ability to display and control score and lyric sheets directly within the Workspace. released by Apple on

: Support for up to 1024 Audio/Aux channels and 1024 Software Instrument channels.

: Integration of the Sampler, Quick Sampler, Drum Synth, and Remix FX plug-ins.