Quality Gates are, as the name suggests, "gates" or checkpoints that are planned and carried out at a specific time. The goal is to check the status and content of a delivery object, based on quality criteria determined in advance.
For reporting, SAP is currently working on an expanded option to make "Quality Gate Reporting" even more efficient and effective. So it will be interesting to see what will follow. We have already been able to place some of our requirements and wishes for SAP.