Logic Studio (2009) gains 64-bit support

Apple has released Logic Pro 9.1 and MainStage 2.1, major updates to Logic Studio (2009) ( ). Available via Software Update, the upgrade features 64-bit support and various bug fixes, and is recommended for all installed versions of the software.

The Logic Pro update supports 64-bit native mode, facilitates compatibility with both 32-bit and 64-bit Audio Unit plug-ins, and offers many other fixes. A long list of updates is available on Apple's support Website.

The MainStage update also supports 64-bit mode and compatibility with both 32-bit and 64-bit Audio Unit plug-ins. Other new fixes include improved compatibility when importing layouts and patches exported from MainStage 1.x and more reliable MIDI input with grouped keyboard controls. A long list of additional improvements is listed on Apple's support Website.

According to Apple's support site, the following features are not available when using Logic Pro 9.1 in 64-bit mode:


  • Firewire streaming of video
  • Digital Cinema Desktop
  • AAF import and export
  • EuCon control surface support
  • Automap of parameters with control surfaces
  • OMF import and export
  • Conversion to MP3
  • Recycle (REX) file support
  • ReWire support
  • Vienna Symphonic Library Tool
  • Logic Node processing
  • AKAI format sample import


While running the updated software in 32-bit mode requires Mac OS X 10.5.7 or later, running the update in 64-bit mode requires at least version 10.6.2.

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