"Images exported at less than 1/3 of their original size may not retain Output Sharpening and Noise Reduction settings."
http://blogs.adobe.com/lightroomjournal/2013/06/lightroom-5-now-available.html

There's a release candidate for 5.2 floating around now that they'd like people to test, which is supposed to fix some of the critical bugs.



Think the LRdata folder contains everything yeah as long as that structure is maintained.