Thanks, Peter Lee -- Peter Lee - Rising Software - http://www.risingsoftware.com/ Publishers of 'Auralia' Ear Training and 'Musition' Theory Training _______________________________________________ Do not post admin requests to the list. They will be ignored. Installer-dev mailing list (Installer-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/installer-dev/site_archiver%40lists.... This email sent to site_archiver@lists.apple.com We're using packages from Stéphane Sudre to create our installers. Some of our installers are very similar and we often copy the .pkgproj files and modify bits and pieces with a text editor. The UUID values that are in there for each package - are they look like random (version 4) type UUIDs? Is it safe enough to just replace these with newly generated UUIDs? Are they used by installer.app at all or only internally within the project files to link things together?