Control Plane related (how to scale control-plane components)
Control plane auto-scaling related
Control plane migration related
Developer productivity related (how to improve development)
Disaster recovery related
High availability related
Logging (including audit logging) related
Monitoring (including availability monitoring and alerting) related
Open Source (community, enablement, contributions, conferences, CNCF, etc.) related
Operations related (actual operational tasks)
Operator productivity related (how to improve operations)
Performance (across all domains, such as control plane, networking, storage, etc.) related
Output qualification (tests, checks, scans, automation in general, etc.) related
Robustness, reliability, resilience related
Scalability (anything requiring static/dynamic scale up/down and/or out/in) related
Continuous integration/delivery (tooling and processes)