Helm v3.20.1 fixes preservation of user-provided nil values in charts with empty maps or no default values, and corrects OCI references that combine a tag and digest. It also updates the Kubernetes dependency group.
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Helm v4. is primarily a maintenance release with defect corrections, dependency updates, and a change that aligns defaults. The explicitly identified security-related change updates the OpenTelemetry SDK for GO-2026-4394.
Action needed (1)
securityhighThe
go.dependency update foropentelemetry. io/otel/sdk GO-2026-4394The
go.dependency was updated toopentelemetry. io/otel/sdk v1.for40. 0 GO-2026-4394in Helmv4..1. 3