GOS 21.04 has reached its final retirement date.
The release is removed from the list of current releases and archived. The functionality of GOS 21.04 may be limited and no more patches are provided. QA and documentation are discontinued. Support is limited to assistance in upgrading to GOS 22.04.
All GOS software packages and 3rd-party software below version 22.04 are no longer supported and their compatibility with the Greenbone Enterprise Feed or the Greenbone Community Feed is no longer guaranteed. Their functionality may cease or be limited at any time.
Please note that the Greenbone Community Edition 21.04 also reached its end-of-life earlier this year: Greenbone Community Edition 21.04: End of Life
Going forward, the only version supported by Greenbone is 22.04. We strongly recommend all users to upgrade to our current stable release GOS 22.04!
Last but not least, one final patch level, GOS 21.04.26, is made available for GOS 21.04. This addresses a potential problem when upgrading to GOS 22.04. In total, GOS 21.04.26 covers 1 improvement and 1 bug fix. For a complete list of changes, see the Roadmap & Lifecycle page: https://www.greenbone.net/en/roadmap-lifecycle/#old-releases
If you have any questions regarding these topics, please contact the Greenbone Enterprise Support.