Flannel Roadmap

This document outlines the current direction and future plans for Flannel.

For tracking specific upcoming work, see the GitHub Milestones and open issues.

Current Focus Areas

Stability & Maintenance

• Ongoing dependency updates and CVE patching
• Bug fixes reported by users and downstream distributions
• Kubernetes version compatibility (following upstream Kubernetes release cycle)

Backend Improvements

• nftables backend: Replacing the legacy iptables backend with nftables for improved performance and maintainability (see ADR)
• Continued VXLAN backend stability improvements

IPv6 / Dual-stack Support

• Improving dual-stack (IPv4 + IPv6) networking support for Kubernetes clusters

Security

• Ongoing OpenSSF Scorecard improvements
• Regular security audits and vulnerability response (see SECURITY.md)

Future Considerations

• Windows support: Investigating improvements to Windows node support
• Performance benchmarking: Establishing a public benchmark suite for backend comparison
• Documentation improvements: Expanding user-facing documentation and tutorials

Process

Roadmap items are tracked as GitHub issues and milestones. The community discusses priorities at the monthly community meeting (3rd Thursday of each month, 8:30 AM PST).

Proposed significant changes go through the ADR process.