Apple released a new version of iPhoto for Mac, version 9.3.1, which fixes a slew of bugs, along with ”an issue that in rare cases could cause iPhoto to hang when upgrading libraries.” Interested? Go to the App Store to grab the 599.65 MB update. In the mean time, you can checkout the release notes after the break.

What’s New in Version 9.3.1 – Addresses a problem during the migration of albums from MobileMe Gallery that may cause photos to be moved from their original events into a new event called “From MobileMe” – Fixes an issue that in rare cases could cause iPhoto to hang when upgrading libraries

Included in Version 9.3 – iPhoto can now open libraries from Aperture 3.3 or later  – AVCHD video is now supported – The Description field now automatically expands as needed when entering text – You can now flag a photo in Magnify (1-up) view by clicking a Flag icon displayed in the upper left corner of the photo – Keywords and titles are now preserved when exporting files with embedded GPS location data – A new Export option allows you to automatically organize exported photos into subfolders by event