J-BusinessDirectory v5.5.7 stable is now available. The new version contains a patch that has been applied to the payment mechanism.
The update can be automatic through Joomla update mechanism or manually.
Download the latest version by logging in to your CMSJunkie account and selecting the My Downloadable Products menu item on the left.
Some bugs may have eluded our QA team but they will definitely not get past you.
We have created a dedicated section for reporting bugs
http://www.cmsjunkie.com/forum/jbd-beta-testing/?p=1
From our Joomla extensions category: Joomla Business Directory