According to the details found on the Product Life Cycle Policy, the RPOS is currently at the version 6 release. There is no version 7 available or even mentioned on their website. The product's version is 6.5 and it's listed in the EOL cycle as being active without any expiration date mentioned.
Send them an email and ask about the software changes, because I didn't find anything about it on their page: http://www.gofrugal.com/contact.html