GarageBand was updated to version 5.1. The update “addresses general compatibility issues, improves overall stability, and fixes a number of other minor issues”. It also includes a security update.
The update addresses the following issues:
* GarageBand track effects and Audio Units can now be added to a guitar track
* Improved support for Apogee audio interfaces
* Faster switching to full screen in Magic GarageBand
* Improved access to audio monitoring settings
The update is available from Apple Software Update or can be downloaded directly from Apple’s site.