Logic Studio 2009 gains 64-bit support

12.01.2010
Apple has released Logic Pro 9.1 and MainStage 2.1, major updates to ( Macworld rated 4.5 out of 5 mice ). 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 .

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 .

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

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.