For GOS 5.0 a new patch level is available:
https://www.greenbone.net/en/roadmap-lifecycle/
This patch level adds the latest major release of gvm-tools, version 2.0.0 to GOS:
Several improvements and fixes for the Greenbone operating system and the GSA web interface are also included.
In total GOS 5.0.13 covers 29 improvements.