Apple has released version 9.1.2 of Logic Pro, the music production software for Mac.
This update improves overall stability, provides numerous fixes and improvements, and is recommended for all users of Logic Pro 9.
Running Logic Pro 9.1.2 in 64-bit mode requires Mac OS X v10.6.2 Snow Leopard or later.
Check the release notes for details on changes in Logic Pro 9.1.2.
More information: Apple / Logic Pro