Apple just released the v3.1.1 update. It is available through Software Update.
This update addresses overall stability and performance issues, and also includes specific fixes that:
- Address compatibility with the iLife Media Browser
- Improve reliability when upgrading existing Aperture libraries
- Address issues with publishing photos to MobileMe, Facebook and Flickr
The update is recommended for all users of Aperture 3.
For detailed information on this update, please visit this website:http://support.apple.com/kb/TS2518