I have to say that the connection quality and live metrics is great in RCV! I've used it already to help customers who are experiencing issues with the quality of their meeting.
Would it be possible to add a small plot of the connection quality in the last few minutes? It would be useful for customers who want to see if their audio/video issues are related to connection quality, but it may be intermittent and they do not look at the connection quality in the moments when quality is poor. Users would be able to tell that their connection is unstable or poor without having to keep a constant eye on the quality metrics.
Here's a mock-up showing the idea