: Ensured that the Transpose function on multi-timbral channel strips worked as intended.

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

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

: 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)

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

: Fixed a bug where duplicating a patch containing a concert-level bus would incorrectly remap it to a patch-level bus.