Originally Posted by Stingo
Ok. I'm willing to admit that this could be my fault and that I am missing something obvious but....since I updated to 4.106 (osx) the "preferences" option in the menu is grayed out. Bug, feature or dumb user error?
Calibre isn't really a native Mac program... so it doesn't support the standard menu stuff. Once you run calibre click on the little wrench icon to the right of the search bar to edit the "preferences".