# Helm v3.21.4 — Helm v3.21.4

- Product: Helm (https://whatsnew.fyi/product/helm)
- Vendor: Helm
- Date: 2026-08-14
- Version: v3.21.4
- Original notes: https://github.com/helm/helm/releases/tag/v3.21.4
- Permalink: https://whatsnew.fyi/product/helm/releases/v3.21.4

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **fixed** — Prevent Files.Lines panic on empty file in engine
- **fixed** — Migrate provenance to ProtonMail/go-crypto to resolve GO-2026-5932
- **changed** — Bump go.opentelemetry.io/otel to v1.44.0 for GO-2026-5158
- **changed** — Bump google.golang.org/grpc to v1.82.1 for GO-2026-6061
- **changed** — Bump golang.org/x/crypto from 0.53.0 to 0.54.0 and golang.org/x/text to v0.40.0 to fix GO-2026-5970

Helm v3.21.4 is a patch 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](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-lfx.platform.linuxfoundation.org/meeting/91295593969?password=17825db5-c698-44cc-9f00-ef1f61f5d3fb)
- Test, debug, and contribute charts: [ArtifactHub/packages](https://artifacthub.io/packages/search?kind=0)

##### Notable Changes

- fix(engine): prevent Files.Lines panic on empty file (backport to v3)- #32303 by @mahesh-sadupalli
- fix(provenance): migrate to ProtonMail/go-crypto to resolve GO-2026-5932- #32463 by @karan-vk
- [dev-v3 backport] fix: bump go.opentelemetry.io/otel@v1.44.0 for GO-2026-5158- #32535 by @scottrigby
- [dev-v3 backport] deps: bump google.golang.org/grpc@v1.82.1 for GO-2026-6061- #32536 by @scottrigby
- chore(deps): bump golang.org/x/crypto from 0.53.0 to 0.54.0- (includes golang.org/x/text v0.40.0 to fix GO-2026-5970) #32308

##### Installation and Upgrading

Download Helm v3.21.4. The common platform binaries are here:

- [MacOS amd64](https://get.helm.sh/helm-v3.21.4-darwin-amd64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-darwin-amd64.tar.gz.sha256sum) / 9173d05edf9592c6be1d0412ffafd935448dfc7a63c2bc732b8c67e55503e8a8)
- [MacOS arm64](https://get.helm.sh/helm-v3.21.4-darwin-arm64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-darwin-arm64.tar.gz.sha256sum) / 6e0bf5eb6daafc2b1ec34bb5ba04ef103f3afc16192fb19805c2924d7ea1033f)
- [Linux amd64](https://get.helm.sh/helm-v3.21.4-linux-amd64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-amd64.tar.gz.sha256sum) / 61f88ab166748cb19604d7884cb100ae9ccb13804ddeb98e08af167eacbb6a14)
- [Linux arm](https://get.helm.sh/helm-v3.21.4-linux-arm.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-arm.tar.gz.sha256sum) / b02709eab565cfcee8acdb10c143daf05ab06d994baeb85e63976513367925a7)
- [Linux arm64](https://get.helm.sh/helm-v3.21.4-linux-arm64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-arm64.tar.gz.sha256sum) / b54c04b4e0b2540bbdc08c17a121dab70e9a2ed0de5705528fec68a5fd3b85a7)
- [Linux i386](https://get.helm.sh/helm-v3.21.4-linux-386.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-386.tar.gz.sha256sum) / 71280742be811c7d9d6b4546125f185ba01c6fd967e47491766b0055a0570cf5)
- [Linux ppc64le](https://get.helm.sh/helm-v3.21.4-linux-ppc64le.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-ppc64le.tar.gz.sha256sum) / ba4e4f440b6992f119160e3ceea29d80158546c9241748332ffa1cfdfbb0bd8f)
- [Linux s390x](https://get.helm.sh/helm-v3.21.4-linux-s390x.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-s390x.tar.gz.sha256sum) / 321de1ff6fe57a9a5eca6b56d78d6959babe295ec7aab49af1a0d2bcfc02dfc8)
- [Linux riscv64](https://get.helm.sh/helm-v3.21.4-linux-riscv64.tar.gz) ([checksum](https://get.helm.sh/helm-v3.21.4-linux-riscv64.tar.gz.sha256sum) / fef3ec7e1ddafe8927253ad79f2f8e3ac41f3f92328eb2c23bd4513b4421e5d9)
- [Windows amd64](https://get.helm.sh/helm-v3.21.4-windows-amd64.zip) ([checksum](https://get.helm.sh/helm-v3.21.4-windows-amd64.zip.sha256sum) / 268a7b98b313403055e4f31807aeaac529c90e1188acd7857ae3e960b0f67cce)
- [Windows arm64](https://get.helm.sh/helm-v3.21.4-windows-arm64.zip) ([checksum](https://get.helm.sh/helm-v3.21.4-windows-arm64.zip.sha256sum) / e23545fff21ef04853a9540925dd73c4b9caaa24ee7fdd8482b1ee626a4eecc9)

This release was signed with `208D D36E D5BB 3745 A167 43A4 C7C6 FBB5 B91C 1155` and can be found at @scottrigby [keybase account](https://keybase.io/r6by). 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 ins

_[Truncated at 4000 characters — full notes: https://github.com/helm/helm/releases/tag/v3.21.4]_