Details below the cover photo have also been condensed into a smaller space. Facebook has removed custom previews and visuals opting for a more streamlined look.
From what the screenshots reveal, it appears that these changes are currently only being tested on Facebook Profiles. However, if past redesigns are any indication, changes to Pages will follow.
According to Franzen, Facebook declined to specify how many user profiles are included in the new test, as well as whether this would become the new standard look for the social network.