: Resolves a bug where audio would not play when using the left and right arrow keys to step through clips in the timeline. MTS File Support : Fixes an issue that caused certain (AVCHD video) to play back without audio. Trackpad Stability
: Double-click the Final Cut Pro 10.8.1.dmg file to mount the disk image, then drag the application icon into your Applications folder. Final cut pro 10.8.1.dmg