This update improves stability and fixes other minor issues, including:
- Fixes an issue where stabilization would not be applied correctly to some video clips from iPhone and iPod touch.
- Fixes an issue that prevented use of some valid Facebook passwords that contained non-alphanumeric characters.
- Improves compatibility with some cameras that create content in multiple formats.
- Improves performance when scrolling the Project Library.
This update is recommended for all users of iMovie 9.0.