The update is build VRUFND7 and jumps the phone up to Android 4.4.2. It includes Samsung KNOX 2.0, restyled notification bar, the option to choose a default SMS app, emoji, a new keyboard, and all sorts of bug fixes. You can see the full details here.
To check for it, head into Settings>About Phone>System updates.
Cheers Ariel and Jordan!
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