It was just yesterday that the unofficial Android 4.3 update for the Samsung Galaxy S III leaked. It looked like the real deal but the ROM lacked KNOX security support and widgets were still using the old TouchWiz design. Today this very same build is seeding as the official update to Vodafone Ireland Galaxy S III units. As it turns out this is indeed the official update despite some features...
Source: http://www.gsmarena.com/android_43_for_samsung_galaxy_s_iii_rolling_out_now-news-7121.php
