Forums will be making significant UX changes to address key usability improvements surrounding search, discoverability and navigation.
To learn more about these changes please visit the announcement which can be found
This paper provides guidance and tips for migrating code assets built using the Windows 8 Consumer Preview (released in February 2012) to the Windows 8 Release Preview. It includes a list of new features, porting guidance, a change manifest, and helpful
tips for developers who are tasked with migrating apps built using the earlier Windows 8 Consumer Preview and Developer Preview releases.