Helm v3.21.0stable Released May 14, 2026
Impact Score: 5/10

Helm v3.21.0

Source available β€” automated, not human-reviewed

Component: helm Β· Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified β€” check source notes
πŸ“„ .MD
⚑ Executive Summary (TL;DR)

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

Who Does This Impact? (Role-Based Analysis)

πŸ’» Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

πŸ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

βš™οΈ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

✨ New Features & Capabilities (2)

  • 3.22.0 is the next feature release for Kubernetes v1.37
  • add image index test b0dfec5af4d7f642d8dea3b9058856541fe5017c (Pedro TΓ΄rres)

πŸ”§ Bug Fixes & Patches (6)

  • for discussing PRs, code, and bugs
  • Test, debug, and contribute charts: ArtifactHub/packages
  • 3.21.1 will contain only bug fixes.
  • fix: upgrade opentelemetry packages to patch CVEs 13d5fc4ae0e7222e1af8796ff4fa467b52208471 (Terry Howe)
  • fix: Chart dot-name path bug 2552884e3bc1b763c3901c5ea7240b59ef6791f1 (George Jenkins)
  • fix: pin codeql-action/upload-sarif to commit SHA in scorecards workflow ec05dd5f0481c2de3a41a554adf3c52a6a2a9bb6 (Terry Howe)
πŸ“„ View Raw Release Notes (Original Developer Log)
Helm v3.21.0 is a feature release. Users are encouraged to upgrade for the best experience. > [!WARNING] > Helm v3 is approaching end-of-life. Please update to Helm v4. The community keeps growing, and we'd love to see you there! - Join the discussion in [Kubernetes Slack](https://kubernetes.slack.com): - 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](https://zoom.us/j/696660622) - Test, debug, and contribute charts: [ArtifactHub/packages](https://artifacthub.io/packages/search?kind=0) ## 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: - [MacOS amd64](https://get.helm.sh/helm-v3.21.0-darwin-amd64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-darwin-amd64.tar.gz.sha256sum) / 8bc0c1f85f8738cc3cda4a2cc73047145bcdcb1f4d9cdcc29073037bfb22fa2e) - [MacOS arm64](https://get.helm.sh/helm-v3.21.0-darwin-arm64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-darwin-arm64.tar.gz.sha256sum) / 68bfbdc022c543a2a022597b20298216877e98abe6e4a345d3ecf114d79cae5f) - [Linux amd64](https://get.helm.sh/helm-v3.21.0-linux-amd64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-amd64.tar.gz.sha256sum) / 0093eb572e3d2380f094df162ddb525e219249de88957afe24cfbb19632acd36) - [Linux arm](https://get.helm.sh/helm-v3.21.0-linux-arm.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-arm.tar.gz.sha256sum) / d310ac387324538a37192e8e13628eb1def2596bbac6b6481ae20d8d5e3532bd) - [Linux arm64](https://get.helm.sh/helm-v3.21.0-linux-arm64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-arm64.tar.gz.sha256sum) / 8de5a0c9a47431e59fd560e91e0779c8cf9316c383da7efb84128a4c339ecb2d) - [Linux i386](https://get.helm.sh/helm-v3.21.0-linux-386.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-386.tar.gz.sha256sum) / fc85f14c9ce7e6a48a2b19a97edbc5529ed7aa2bc10f3d2c241e1c2ef12ccd22) - [Linux ppc64le](https://get.helm.sh/helm-v3.21.0-linux-ppc64le.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-ppc64le.tar.gz.sha256sum) / e2dced0f903acda417f879012c7e09ca461000e26a04e8f7a1cfe0dcf495f62c) - [Linux s390x](https://get.helm.sh/helm-v3.21.0-linux-s390x.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-s390x.tar.gz.sha256sum) / a176d7460a615b8df5b1a58ecf09fcc731c7733ca4cf10116cf198575b0371b5) - [Linux riscv64](https://get.helm.sh/helm-v3.21.0-linux-riscv64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.0-linux-riscv64.tar.gz.sha256sum) / 4935c95c55bc5c3357143698a87185e17a39de9b6148dfd6cce0fc11859dbfeb) - [Windows amd64](https://get.helm.sh/helm-v3.21.0-windows-amd64.zip) ([checksum](https://get.helm.sh/helm-v3.21.0-windows-amd64.zip.sha256sum) / 3ea6b8383e6c0b7ce45d06a5746313b8e9225edd88d42f4f64582ff3792d7b55) - [Windows arm64](https://get.helm.sh/helm-v3.21.0-windows-arm64.zip) ([checksum](https://get.helm.sh/helm-v3.21.0-windows-arm64.zip.sha256sum) / 90d8c87e07267e6c71e678c9e33dd11cc121789c823ccc380de9d1dd521c8cba) 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](https://helm.sh/docs/intro/quickstart/) will get you going from there. For **upgrade instructions** or detailed installation notes, check the [install guide](https://helm.sh/docs/intro/install/). You can also use a [script to install](https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3) 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 e0878d41b711792be60777fd65ad23a101e6b85f (George Jenkins) - fix: upgrade opentelemetry packages to patch CVEs 13d5fc4ae0e7222e1af8796ff4fa467b52208471 (Terry Howe) - fix: Chart dot-name path bug 2552884e3bc1b763c3901c5ea7240b59ef6791f1 (George Jenkins) - fix: pin codeql-action/upload-sarif to commit SHA in scorecards workflow ec05dd5f0481c2de3a41a554adf3c52a6a2a9bb6 (Terry Howe) - add image index test b0dfec5af4d7f642d8dea3b9058856541fe5017c (Pedro TΓ΄rres) - fix pulling charts from OCI indices e629995c5d65ec2d5095ecd6d094bf85d02b3266 (Pedro TΓ΄rres) - chore(deps): bump the k8s-io group with 7 updates 9c854fbd937ae0efe0e0a5063e7449d8973a85fd (dependabot[bot]) - chore(deps): bump golang.org/x/crypto from 0.47.0 to 0.48.0 a692247486fb6893f00af65fdfb05da538c7b1d5 (dependabot[bot]) - chore(deps): bump golang.org/x/term from 0.39.0 to 0.40.0 9f2a7f696a3e0be43ff9f55ade1dc89c76c6e903 (dependabot[bot]) - chore(deps): bump github.com/lib/pq from 1.11.1 to 1.11.2 79f039be716a0a48d354ffaaf97179bb4fae9d64 (dependabot[bot]) - chore(deps): bump golang.org/x/text from 0.33.0 to 0.34.0 45210d597d7941ebe900bd8f317c0a62aa777395 (dependabot[bot]) - Remove refactorring changes from coalesce_test.go e2df39fc0b3e713df923a7ae64412e327f6e1022 (Evans Mungai) - Fix import 97affe067aa1e39fe6552c0d46de749f02063183 (Evans Mungai) - Update pkg/chart/common/util/coalesce_test.go c264166ec6bbf61c400a3457fae87fa058487e76 (Evans Mungai) - Fix lint warning d409df87ff6c2cbe17cc465b93ce646003b71d28 (Evans Mungai) - Preserve nil values in chart already 6fdd1017cebc284f7d545c04dd2c8f2d350d69d2 (Evans Mungai) - fix(values): preserve nil values when chart default is empty map b13743c8d4ef5488f40148af1d6ccd35ee9b97e3 (Evans Mungai) - chore(deps): bump github.com/lib/pq from 1.10.9 to 1.11.1 703999db8484985f4cafe000a610f10d688b2456 (dependabot[bot]) - chore(deps): bump golang.org/x/crypto from 0.46.0 to 0.47.0 a04be9699efe5c26827397d7004b3490ad4ef029 (dependabot[bot]) ## New Contributors * @KrzysztofDziankowski made their first contribution in https://github.com/helm/helm/pull/31829 **Full Changelog**: https://github.com/helm/helm/compare/v3.20.0...v3.21.0