Preview Portrait and PDF export portraits (Both Thumbnails) aren't being exported.
Spring bean was not properly registered causing the thumbnail rectangle data to not be copied when the character was cloned for output.
The bug seems to have been reintroduced in 6.02.1, at least it has for my friends and I
I managed to "fix" it in the trunk (6.03.00). Though I'd caution any downloading of the autobuild as I'm implementing new features and "breaking" things as I go along. It's a natural thing. If you want the fix for the sheets, drop me a note at firstname.lastname@example.org and I'll attach it when I can.