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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.