I contacted Samsung tech support today because I had this exact same question. They told me that the shipped firmware is in fact newer than what's posted online. So DO NOT attempt to 'upgrade' since it would in fact be a downgrade. I asked for a changelog but they coulnd't provide any specifics at this time.
|Owens Valley Milky Way by ed rader|
from Sign, sign, everywhere a sign..
|Break by Hank3152|
from Motion blur
|Camp by T bird|
from A Big Year - birds
|The Maasai Shepherd by cgravel|
from - African Man - (Portrait in Black and White + A Border)