Software Update July 19th what was it??

Does anyone know what the 300 and something megabytes worth if software update was for last night on the T-Mobile Note 5? I checked everywhere and didn't really see a difference except the setting look cleaner and smaller. Also it says that the last security patch was July 1st. I should've took a screenshot of the page before I hit install bc there were a few different build numbers on there. I got excited with the update because I usually don't see the security patch updates they download...

Software Update July 19th what was it??

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