🔧 Helm 4 Migration Guide: What Breaks and How to Fix It Before EOL

Originally published on DevToolHub.


Helm 4 shipped in November 2025. Eight months later, most teams are still running Helm 3 in production CI/CD because it works. But Helm 3's final feature release lands September 9, 2026, and security patches stop completely on February 10, 2027.

This helm 4 migration is simpler than it looks. Your charts...