So what did change after the first wave of patch?

So, what changed after the first wave of the patch?
The patch isn’t fully rolled out yet, so these are more first impressions than facts. I played a few games in Rivals Division 5 and Rush (casual player here) on Xbox:
I have mixed impressions. I faced some players who apparently haven’t received the patch yet, they were beasts. Others were okay. Nobody really knows what’s working now. Overall, the game feels slower and clumsier to me, but let’s see how it evolves.