The kcp community is building an open source horizontally scalable control plane for Kubernetes APIs. We meet every two weeks to discuss all things kcp. Our meeting agenda is available in Google Docs: 
https://docs.google.com/document/d/1PrEhbmq1WfxFv1fTikDBZzXEIJkUWVHdqDFxaY1Ply4. Feel free to add your questions or topics to it beforehand.

The call is held via Google Meet: https://meet.google.com/bvb-qmdk-qwr