This update addresses several areas including video and audio editing capabilities, and performance associated with opening and switching iMovie Events and Projects. This update also supports general compatibility issues, improves overall stability, and addresses a number of other minor issues.

iMovie 7.1 features include:
* Multiple Clip Selection
* Fine Tuning
* Still Frame Creation
* Frame-by-Frame trimming
* Audio Ducking level control
* Manual Audio Fades
* Performance Improvements
* Set Duration for Transitions and Stills
* Show Current Playhead Time

This update addresses issues associated with publishing to .Mac Web Gallery. It also improves overall stability and addresses a number of other minor issues.