First details of the upcoming season 2021 are available on the official website:
The 2021 season will begin with a three-week CrossFit Open that starts on March 11. Worldwide registration will start on Jan. 7
https://games.crossfit.com/article/2021-season-schedule-beginning-open-march-11/open
If you spot a mistake or if you feel like one of the points need more clarification, make sure to get in contact.