HELM-4.3.0 release notes and known issues

Summary

Helm v4.3.0 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 feat: Add duration functions by @aeroyorch in #31695 feat(engine): add debug logging when lookup returns empty by @ogulcanaydogan in #32205 feat: add ownership verification before deleting resources during uni… by @banjoh in #31584 feat: honor SOURCE_DATE_EPOCH for chart archives by @lohitkolluri in #32162 feat(rollback): add --description flag to provide rollback reason by @biagiopietro in #31580 fix (internal/plugin): remove zero-width spaces from plugin name comment by @lexfrei in #32134 fix(loader): do not drop values files ending at a 4096-byte boundary by @locker95 in #32525 fix(chart): normalize StampModTimes timestamp to UTC/truncate + Chart.lock reproducibility test by @Mentigen in #32485 fix(provenance): support GnuPG keybox (pubring.kbx) keyrings by @ruslan-shaydullin in #32281 fix(template): regression - route registry messages to stderr in template and show by @amarkdotdev in #32217 refactor: lower resync period from one hour to 3 minutes by @AustinAbro321 in #31944 perf: enable concurrent status computation to prevent multi-minute delays by @mapleeit in #32043 chore(deps): bump the k8s-io group to 0.37.0 - #32598 Installation and Upgrading Download Helm v4.3.0. The common platform binaries are here: MacOS amd64 ( checksum / 347a784877e0e20eac865e8d1c36a80f6bb0861d6f29abd34defb6570ef95d92) MacOS arm64 ( checksum / d3870437e1e95b67f8edbde964156c84a26503f560821d40c542441658934fba) Linux amd64 ( checksum / 86584a54def73570558f66f5111cc53dfed56689637ae32c1201205d494f54fb) Linux arm ( checksum / 467c353e4a1ab57412dd00c6bfb1a6a2ab4a57d775506f8b38c58502c0ba6861) Linux arm64 ( checksum / 31c5794dd55c66a51e6b7d2e2ac7a114ae8b1de41ff1d9ba51748ac973b06a08) Linux i386 ( checksum / e969a9492ac128097069aef7eb63be3b2504a20b5377a240b4c5c9bfc4b51575) Linux loong64 ( checksum / 4ffe485ef474d722699794851642e1c7037e4776233e77637c649f69f3e9a4ce) Linux ppc64le ( checksum / 5ff7d5ea6f396c15f3cfda3fb8ecb0ecb1b11bc283785adeb55eefb2c62e0bda) Linux s390x ( checksum / ab637a6a1c3d457b9975726c100d74e484e579d5462c4fd2e3bfcfa97df57cd7) Linux riscv64 ( checksum / 5359f5544478de80de2dfd60bdc5e0c22f26255b3c44335483e0f9bd3ba6ec58) Windows amd64 ( checksum / 304ea163cce4d9ad14e189c01846c6a34de9cfdfe48536ae54b2e8ba7884e67c) Windows arm64 ( checksum / 4a9eefa30d26eb73900a9a0f16e97eae678582172204db60cbd454c68acea246) 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 4.3.1 and 3.22.1 are the next patch releases scheduled for October 14, 2026 4.4.0 is the next minor release scheduled for January 13, 2027. There will be no further Helm 3 minor releases (see https://helm.sh/blog/helm-v3-end-of-life ) Changelog chore(deps): bump google.golang.org/grpc from 1.82.1 to 1.83.1 bec5b06 (dependabot[bot]) chore(deps): bump the k8s-io group across 1 directory with 6 updates d0d42e7 (dependabot[bot]) bump version to 4.3 ( #32605 ) 7328f42 (Scott Rigby) chore: Fix independent-merge lint issues ca6681c (George Jenkins) refactor(repo): Use byte buffer to build index file ( #32579 ) 37752b7 (Tom Wieczorek) chore: fix gofumpt extra-rules ( #32486 ) 28e64bd (Matthieu MOREL) Remove deprecated internal/chart/v3/ code ( #32365 ) 4dfbaa4 (George Jenkins) fix(template): regression - route registry messages to stderr in te

Improvements and security content

• Helm v4.3.0 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 feat: Add duration functions by @aeroyorch in #31695 feat(engine): add debug logging when lookup returns empty by @ogulcanaydogan in #32205 feat: add ownership verification before deleting resources during uni… by @banjoh in #31584 feat: honor SOURCE_DATE_EPOCH for chart archives by @lohitkolluri in #32162 feat(rollback): add --description flag to provide rollback reason by @biagiopietro in #31580 fix (internal/plugin): remove zero-width spaces from plugin name comment by @lexfrei in #32134 fix(loader): do not drop values files ending at a 4096-byte boundary by @locker95 in #32525 fix(chart): normalize StampModTimes timestamp to UTC/truncate + Chart.lock reproducibility test by @Mentigen in #32485 fix(provenance): support GnuPG keybox (pubring.kbx) keyrings by @ruslan-shaydullin in #32281 fix(template): regression - route registry messages to stderr in template and show by @amarkdotdev in #32217 refactor: lower resync period from one hour to 3 minutes by @AustinAbro321 in #31944 perf: enable concurrent status computation to prevent multi-minute delays by @mapleeit in #32043 chore(deps): bump the k8s-io group to 0.37.0 - #32598 Installation and Upgrading Download Helm v4.3.0. The common platform binaries are here: MacOS amd64 ( checksum / 347a784877e0e20eac865e8d1c36a80f6bb0861d6f29abd34defb6570ef95d92) MacOS arm64 ( checksum / d3870437e1e95b67f8edbde964156c84a26503f560821d40c542441658934fba) Linux amd64 ( checksum / 86584a54def73570558f66f5111cc53dfed56689637ae32c1201205d494f54fb) Linux arm ( checksum / 467c353e4a1ab57412dd00c6bfb1a6a2ab4a57d775506f8b38c58502c0ba6861) Linux arm64 ( checksum / 31c5794dd55c66a51e6b7d2e2ac7a114ae8b1de41ff1d9ba51748ac973b06a08) Linux i386 ( checksum / e969a9492ac128097069aef7eb63be3b2504a20b5377a240b4c5c9bfc4b51575) Linux loong64 ( checksum / 4ffe485ef474d722699794851642e1c7037e4776233e77637c649f69f3e9a4ce) Linux ppc64le ( checksum / 5ff7d5ea6f396c15f3cfda3fb8ecb0ecb1b11bc283785adeb55eefb2c62e0bda) Linux s390x ( checksum / ab637a6a1c3d457b9975726c100d74e484e579d5462c4fd2e3bfcfa97df57cd7) Linux riscv64 ( checksum / 5359f5544478de80de2dfd60bdc5e0c22f26255b3c44335483e0f9bd3ba6ec58) Windows amd64 ( checksum / 304ea163cce4d9ad14e189c01846c6a34de9cfdfe48536ae54b2e8ba7884e67c) Windows arm64 ( checksum / 4a9eefa30d26eb73900a9a0f16e97eae678582172204db60cbd454c68acea246) 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 4.3.1 and 3.22.1 are the next patch releases scheduled for October 14, 2026 4.4.0 is the next minor release scheduled for January 13, 2027. There will be no further Helm 3 minor releases (see https://helm.sh/blog/helm-v3-end-of-life ) Changelog chore(deps): bump google.golang.org/grpc from 1.82.1 to 1.83.1 bec5b06 (dependabot[bot]) chore(deps): bump the k8s-io group across 1 directory with 6 updates d0d42e7 (dependabot[bot]) bump version to 4.3 ( #32605 ) 7328f42 (Scott Rigby) chore: Fix independent-merge lint issues ca6681c (George Jenkins) refactor(repo): Use byte buffer to build index file ( #32579 ) 37752b7 (Tom Wieczorek) chore: fix gofumpt extra-rules ( #32486 ) 28e64bd (Matthieu MOREL) Remove deprecated internal/chart/v3/ code ( #32365 ) 4dfbaa4 (George Jenkins) fix(template): regression - route registry messages to stderr in te

Affected products and versions

Recommended action

Review the official publisher document before deployment.

Official publisher evidence