The bug tracker for VTM and the specification text is located at:

https://jvet.hhi.fraunhofer.de/trac/vvc

Bugs shall be filed in the bug tracker associated with the proper component (text or VTM).

The bug tracker included in GitLab is currently not used.

If a patch exists for a reported issue, it is strongly encouraged to submit it in a merge request to the VTM project in addition to the bug report. For creating a merge request follow the VVC software development workflow.