This bug has been reported in Ubuntu: https://bugs.launchpad.net/ubuntu/+source/f-spot/+bug/184062
I wonder if the "20 refresh menus" patch is responsible. As for me, I had the Export menu empty before the upgrade to 0.4.1-1, where it was populated thanks to the "refresh menus" patch. A second upgrade to 0.4.1-4ubuntu2 went smoothly and the menus are still populated.
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