What changes have occurred in the reward system and ranking system after the latest update?

Christopher Budgen, the developer of the ranking system, said that Ubisoft plans to actively improve the Ranked 2.0 mode, as well as add smurf protection and a fairer balance when friends in one team are at different skill levels. Brief summaries can be seen in this video: https://www.youtube.com/watch?v=VERMf9jpyjg