GOS 20.08 was released today, 2020-08-31:
https://www.greenbone.net/en/roadmap-lifecycle/
This is a short notice that the Greenbone Community Edition with GOS 20.08 will be released soon, but there is no official ETA yet. You can follow this topic for further updates.
For more information about GOS 20.08, please refer to the release announcement.
Please note that not all new features may be available in the Community Edition.