Quote:
Originally Posted by Andreas
Keep in mind that links created this way will be deleted when your Add-on is upgraded:
http://tracker.vbulletin.com/browse/VBIV-14959
To avoid this you would have to do some trickery in your installation code.
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Voted.
But a workaround for that is to create another product that only contains navigation items. Then the navigation items don't get overwritten if the main product is updated.