Migration of the old menu macros into a separate standalone menu plugin.
This guide will help you wrap an existing unordered list inside a HTML div that will style the list elements into a dropdown/flyout menu.
How to replicate the deprecated View and Edit menus from ThemeBuilder pre Confluence 5.
Recreate the Confluence Browse dropdown menu using ThemeBuilder
These Theme Builder menu macros have been deprecated as they have become too difficult to upgrade and maintain for Confluence 5, which has a very different menu structure to previous versions.