- Adds Kubernetes 1.5 support while still supporting 1.4, but Helm 2.1.0 is not guaranteed to be compatible with 2.0.x releases, requiring client and server upgrades.
- Introduces language‑agnostic Helm plugins, resource‑policy “keep” annotations, enhanced {{ .Files }} object (Glob, AsSecrets, AsConfig) and SemVer 2 range support in requirements.yaml.
- Improves error messages and includes numerous internal bug fixes and updates (e.g., Sprig 2.7.0, grpc limits, Windows support).