everyone keep in mind. other countries MAY HAVE (unverified) received more betas but they are localized, meaning they didn't get new features or fixed, they got fixes specific to their region, which could be things like modem fixes or telcom specific fixes.
they can only post what is provided by Samsung. go look up my post about full changelogs. Samsung said they do not and will not provide one. what you are seeing is what those sites either discovered on their own or minimal changelogs by Samsung