• Chapters are now displayed in movie controls, and you can jump to a chapter by option-clicking it in the movie's timeline.
• You can now jump to the next or previous chapter of a movie by option-clicking the skip buttons.
• A new Chapter menu displays all a movie's chapters, and you can assign auto shortcuts to it to jump directly to a chapter from the keyboard.

• Fixed a crashing bug introduced in version 5.3.1.
• Fixed an issue that prevented the Page Curl slideshow transition from working correctly on some machines.

• SimpleImage now enforces a minimum window size when displaying very small images.
• The mouse pointer always autohides now when movies are displayed full screen.
• Improved support for the Magic Mouse's momentum scrolling.
• Fixed a bug that prevented partially off-screen windows from being restored to their correct position when reopened.

• SimpleImage now exports movies in the background.
• New redesigned movie controls make it easier to make movie selections and can autohide to stay out of your way when you don't need them.
• New streamlined slideshow controls.
• The number of thumbnails displayed in the QuickPeek panel can now be adjusted, and the panel now features a scrollbar for easier navigation.
• You can now adjust the sort order and screen position of the QuickPeek panel during slideshows.
• Redesigned toolbars.
• Movies can now be muted by clicking the speaker icon in their controls, and muting is now saved with a movie's state.
• New fixed-ratio image selection options for 16:9, 16:10, and 4:3 screens.
• Movies and slideshows now pause when switching users.