Hi @ELCYKEL,
You can put a watch (by clicking on the bell icon near the top left of the page) on this subcategory to be notified of any News or Announcements:
Latest Community/News and Announcements topics - Microsoft Flight Simulator Forums
The Development Updates contain a “Development Roadmap” that will show when the next Sim Update & World Updates are scheduled.
The last Development Update is here:
https://forums.flightsimulator.com/t/blog-january-13th-2022-development-update/489662 Next Sim Update (SU) is scheduled for February 22, 2022:
EDIT: And @CasualClick beat me to it! 