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RELEASE NOTESHELMVERIFIED

PUBLISHER UPDATE · HELM-3.21.4

HELM-3.21.4 release notes and known issues

Helm v3.21.4

Scope: Helm. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

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 : 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 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 ( checksum / 9173d05edf9592c6be1d0412ffafd935448dfc7a63c2bc732b8c67e55503e8a8) MacOS arm64 ( checksum / 6e0bf5eb6daafc2b1ec34bb5ba04ef103f3afc16192fb19805c2924d7ea1033f) Linux amd64 ( checksum / 61f88ab166748cb19604d7884cb100ae9ccb13804ddeb98e08af167eacbb6a14) Linux arm ( checksum / b02709eab565cfcee8acdb10c143daf05ab06d994baeb85e63976513367925a7) Linux arm64 ( checksum / b54c04b4e0b2540bbdc08c17a121dab70e9a2ed0de5705528fec68a5fd3b85a7) Linux i386 ( checksum / 71280742be811c7d9d6b4546125f185ba01c6fd967e47491766b0055a0570cf5) Linux ppc64le ( checksum / ba4e4f440b6992f119160e3ceea29d80158546c9241748332ffa1cfdfbb0bd8f) Linux s390x ( checksum / 321de1ff6fe57a9a5eca6b56d78d6959babe295ec7aab49af1a0d2bcfc02dfc8) Linux riscv64 ( checksum / fef3ec7e1ddafe8927253ad79f2f8e3ac41f3f92328eb2c23bd4513b4421e5d9) Windows amd64 ( checksum / 268a7b98b313403055e4f31807aeaac529c90e1188acd7857ae3e960b0f67cce) Windows arm64 ( checksum / e23545fff21ef04853a9540925dd73c4b9caaa24ee7fdd8482b1ee626a4eecc9) This release was signed with 208D D36E D5BB 3745 A167 43A4 C7C6 FBB5 B91C 1155 and can be found at @scottrigby keybase account . 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 4.3.0 and 3.22.0 are the next minor releases scheduled for September 9, 2026 Changelog chore(deps): bump golang.org/x/crypto from 0.53.0 to 0.54.0 ( #32308 ) 813176c (dependabot[bot]) [dev-v3 backport] deps: bump google.golang.org/grpc@v1.82.1 for GO-2026-6061 b6aa8b1 (Scott Rigby) fix: bump go.opentelemetry.io/otel@v1.44.0 for GO-2026-5158 57ce7ae (Scott Rigby) fix(provenance): migrate to ProtonMail/go-crypto to resolve GO-2026-5932 ab71449 (Karan V) fix(engine): prevent Files.Lines panic on empty file 955dfab (Mahesh Sadupalli) Full Changelog : v3.21.3...v3.21.4

Improvements and security content

  • 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 : 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 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 ( checksum / 9173d05edf9592c6be1d0412ffafd935448dfc7a63c2bc732b8c67e55503e8a8) MacOS arm64 ( checksum / 6e0bf5eb6daafc2b1ec34bb5ba04ef103f3afc16192fb19805c2924d7ea1033f) Linux amd64 ( checksum / 61f88ab166748cb19604d7884cb100ae9ccb13804ddeb98e08af167eacbb6a14) Linux arm ( checksum / b02709eab565cfcee8acdb10c143daf05ab06d994baeb85e63976513367925a7) Linux arm64 ( checksum / b54c04b4e0b2540bbdc08c17a121dab70e9a2ed0de5705528fec68a5fd3b85a7) Linux i386 ( checksum / 71280742be811c7d9d6b4546125f185ba01c6fd967e47491766b0055a0570cf5) Linux ppc64le ( checksum / ba4e4f440b6992f119160e3ceea29d80158546c9241748332ffa1cfdfbb0bd8f) Linux s390x ( checksum / 321de1ff6fe57a9a5eca6b56d78d6959babe295ec7aab49af1a0d2bcfc02dfc8) Linux riscv64 ( checksum / fef3ec7e1ddafe8927253ad79f2f8e3ac41f3f92328eb2c23bd4513b4421e5d9) Windows amd64 ( checksum / 268a7b98b313403055e4f31807aeaac529c90e1188acd7857ae3e960b0f67cce) Windows arm64 ( checksum / e23545fff21ef04853a9540925dd73c4b9caaa24ee7fdd8482b1ee626a4eecc9) This release was signed with 208D D36E D5BB 3745 A167 43A4 C7C6 FBB5 B91C 1155 and can be found at @scottrigby keybase account . 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 4.3.0 and 3.22.0 are the next minor releases scheduled for September 9, 2026 Changelog chore(deps): bump golang.org/x/crypto from 0.53.0 to 0.54.0 ( #32308 ) 813176c (dependabot[bot]) [dev-v3 backport] deps: bump google.golang.org/grpc@v1.82.1 for GO-2026-6061 b6aa8b1 (Scott Rigby) fix: bump go.opentelemetry.io/otel@v1.44.0 for GO-2026-5158 57ce7ae (Scott Rigby) fix(provenance): migrate to ProtonMail/go-crypto to resolve GO-2026-5932 ab71449 (Karan V) fix(engine): prevent Files.Lines panic on empty file 955dfab (Mahesh Sadupalli) Full Changelog : v3.21.3...v3.21.4

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Helm

Affected versions

  • 3.21.4
  • 1.44.0
  • 1.82.1
  • 0.53.0
  • 0.54.0
  • 0.40.0
  • 4.3.0
  • 3.22.0
  • 3.21.3

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence