In looking at the previous post, I realized that I had neglected to post a fix for a compatibilty issue my plugin had with the latest iterations of PRS+. I found and fixed this some time back, but it seems I forgot to put the fix up for download. I'm guessing most folks won't run into the issue, but I want to make sure the fix is available just in case. So...
New version v1.2.8 of the Manage Sony x50 Reader Book List plugin has been posted with the following update:
1.2.8 October 21, 2011 Fix Unread Books collection issue that may occur when using this feature in conjunction with the PRS+ support for the same.