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helm-v3.21.0-windows-arm64.zip.asc 2026-05-14 265 Bytes
helm-v3.21.0-windows-arm64.zip.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-windows-arm64.zip.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-windows-amd64.zip.asc 2026-05-14 265 Bytes
helm-v3.21.0-windows-amd64.zip.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-windows-amd64.zip.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-s390x.tar.gz.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-s390x.tar.gz.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-s390x.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-ppc64le.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-riscv64.tar.gz.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-riscv64.tar.gz.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-riscv64.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-arm64.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-ppc64le.tar.gz.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-ppc64le.tar.gz.sha256.asc 2026-05-14 265 Bytes
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helm-v3.21.0-linux-arm64.tar.gz.sha256.asc 2026-05-14 265 Bytes
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helm-v3.21.0-linux-amd64.tar.gz.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-amd64.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
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helm-v3.21.0-linux-amd64.tar.gz.asc 2026-05-14 265 Bytes
helm-v3.21.0-darwin-arm64.tar.gz.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-darwin-arm64.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-linux-386.tar.gz.asc 2026-05-14 265 Bytes
helm-v3.21.0-darwin-amd64.tar.gz.sha256.asc 2026-05-14 265 Bytes
helm-v3.21.0-darwin-amd64.tar.gz.sha256sum.asc 2026-05-14 265 Bytes
helm-v3.21.0-darwin-arm64.tar.gz.asc 2026-05-14 265 Bytes
helm-v3.21.0-darwin-amd64.tar.gz.asc 2026-05-14 265 Bytes
Helm v3.21.0 source code.tar.gz 2026-05-14 774.6 kB
Helm v3.21.0 source code.zip 2026-05-14 1.5 MB
README.md 2026-05-14 5.4 kB
Totals: 36 Items   2.3 MB 1

Helm v3.21.0 is a feature release. Users are encouraged to upgrade for the best experience.

The community keeps growing, and we'd love to see you there!

  • Join the discussion in Kubernetes Slack:
  • for questions and just to hang out
  • for discussing PRs, code, and bugs
  • Hang out at the Public Developer Call: Thursday, 9:30 Pacific via Zoom
  • Test, debug, and contribute charts: ArtifactHub/packages

Notable Changes

  • Kubernetes client libraries to v1.36
  • notable changes here

Installation and Upgrading

Download Helm v3.21.0. The common platform binaries are here:

This release was signed by @gjenkins8 with key BF88 8333 D96A 1C18 E268 2AAE D79D 67C9 EC01 6739, which can be found at https://keys.openpgp.org/vks/v1/by-fingerprint/BF888333D96A1C18E2682AAED79D67C9EC016739. Please use the attached signatures for verifying this release using gpg.

The Quickstart Guide will get you going from there. For upgrade instructions or detailed installation notes, check the install guide. You can also use a script to install on any system with bash.

What's Next

  • 3.21.1 will contain only bug fixes.
  • 3.22.0 is the next feature release for Kubernetes v1.37

Changelog

  • [v3] Bump to version v3.21 [e0878d] (George Jenkins)
  • fix: upgrade opentelemetry packages to patch CVEs [13d5fc] (Terry Howe)
  • fix: Chart dot-name path bug [255288] (George Jenkins)
  • fix: pin codeql-action/upload-sarif to commit SHA in scorecards workflow [ec05dd] (Terry Howe)
  • add image index test [b0dfec] (Pedro Tôrres)
  • fix pulling charts from OCI indices [e62999] (Pedro Tôrres)
  • chore(deps): bump the k8s-io group with 7 updates [9c854f] (dependabot[bot])
  • chore(deps): bump golang.org/x/crypto from 0.47.0 to 0.48.0 [a69224] (dependabot[bot])
  • chore(deps): bump golang.org/x/term from 0.39.0 to 0.40.0 [9f2a7f] (dependabot[bot])
  • chore(deps): bump github.com/lib/pq from 1.11.1 to 1.11.2 [79f039] (dependabot[bot])
  • chore(deps): bump golang.org/x/text from 0.33.0 to 0.34.0 [45210d] (dependabot[bot])
  • Remove refactorring changes from coalesce_test.go [e2df39] (Evans Mungai)
  • Fix import [97affe] (Evans Mungai)
  • Update pkg/chart/common/util/coalesce_test.go [c26416] (Evans Mungai)
  • Fix lint warning [d409df] (Evans Mungai)
  • Preserve nil values in chart already [6fdd10] (Evans Mungai)
  • fix(values): preserve nil values when chart default is empty map [b13743] (Evans Mungai)
  • chore(deps): bump github.com/lib/pq from 1.10.9 to 1.11.1 [703999] (dependabot[bot])
  • chore(deps): bump golang.org/x/crypto from 0.46.0 to 0.47.0 [a04be9] (dependabot[bot])

New Contributors

Full Changelog: https://github.com/helm/helm/compare/v3.20.0...v3.21.0

Source: README.md, updated 2026-05-14