Issue or symptom
After you update to Aperture 1.5, the Project Pane may not show all your projects.
Solution
In some cases, the Project Pane settings are changed by updating to Aperture 1.5. To resolve the issue, change the setting in the Projects pop-up menu from Show Favorites or Show Recent to Show All.
If the issue continues, see this document.
This document will be updated as more information becomes available.