Apple today released MainStage 2.1.1, an update to Apple's Logic Studio component for bringing virtual instruments and effects to live performances. This update addresses a multiple issues related to 64-bit mode, stability, plug-ins, and other fixes.

MainStage 2.1.1

This update delivers improved compatibility and numerous fixes.

Issues addressed in MainStage 2.1.1 include:

- Improved stability of the 32-Bit Audio Unit Bridge
- Fixed problems that caused audible artifacts when using the Playback or Loopback plug-ins

This update requires Mac OS X 10.5.7 or later for 32-bit mode and Mac OS X 10.6.2 or later for 64-bit mode. The update is available via Software Update.