You can get this version from download here: http://opensolution.org/download/
Changes in this version are here: http://opensolution.org/download/Quick.Cart/changeLog.txt
Differences between the beta and rc1 are mostly small bug fixes and optimization of PHP code.
Bug fixes to v5.2 will be published soon.
If You will find bug, something unclear then write it here please!
1. THIS VERSION IS NOT STABLE!!! DON'T USE FOR COMMERCIAL USE, 2. Update script from Quick.Cart v5.2 to Quick.Cart v6.0 we will add after stable version will be released. 3. We dont know sure when stable version will be released. It depends of users testing. Maybe in 1-2 weeks.
A lot of shadows. As I see IE doesn't support text shadows. Generally seems to be all ok. By the way, selected category could be active in product's details.