https://www.fide.com/news/2784
Major points.
1. One time bonus for every 2000- player. New rating = old rating + 0.4 x (2000 - old rating). For example, 1500 becomes 1700, 1700 becomes 1820, 2000 remains 2000.
2. Rating floor 1400 instead of 1000.
3. 400 points rule has no limitations (now just for 1 game/tournament).