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[cherry-pick: release-v0.81.x] fix(release): bump pinned ko/koparse images for go 1.26.5 - #3886

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Aug 10, 2026
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[cherry-pick: release-v0.81.x] fix(release): bump pinned ko/koparse images for go 1.26.5#3886
tekton-robot merged 1 commit into
release-v0.81.xfrom
cherry-pick-3883-to-release-v0.81.x

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This is a cherry-pick of #3883


Changes

Bump the pinned ko and koparse image digests in
tekton/build-publish-images-manifests.yaml to versions built with
Go 1.26.5.

Root cause

go.mod was updated to require go >= 1.26.5, but the previously
pinned images baked in Go 1.26.4. Because the release pipeline runs
with GOTOOLCHAIN=local, ko resolve failed with:

go: go.mod requires go >= 1.26.5 (running go 1.26.4; GOTOOLCHAIN=local)

Fix

Update both digests to the latest ghcr.io/tektoncd/plumbing images
(sha-a4f94ba, published 2026-08-10) built from
golang:1.26.5-alpine:

Image Old digest New digest
ko 7561ceb… 976eb63…
koparse 6cf5d09… e060328…

Cherry-pick targets

This fix needs to be cherry-picked to:

  • release-v0.81.x (blocking v0.81.0 patch release)
  • release-v0.80.x (prevent future patch release failures)

/kind bug

Fix patch release pipeline failures caused by Go 1.26.5 requirement
mismatch in pinned ko/koparse images.

Made with Cursor

The pinned ko/koparse images baked in Go 1.26.4, but go.mod now
requires go >= 1.26.5, causing ko resolve to fail with
GOTOOLCHAIN=local on patch releases.

Bump both image digests to the latest plumbing images built from
golang:1.26.5-alpine (ko sha-a4f94ba, published 2026-08-10):
- ko:      sha256:976eb63...ffbeec3
- koparse: sha256:e060328...58c5bce

Signed-off-by: Jawed khelil <jkhelil@redhat.com>
Assisted-by: Claude Sonnet 4.6 (via Cursor)
Co-authored-by: Cursor <cursoragent@cursor.com>
@tekton-robot tekton-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. kind/bug Categorizes issue or PR as related to a bug. labels Aug 10, 2026
@tekton-robot tekton-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Aug 10, 2026
@pratap0007

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/lgtm
/approve

@tekton-robot tekton-robot added the lgtm Indicates that a PR is ready to be merged. label Aug 10, 2026
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pratap0007

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@tekton-robot tekton-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Aug 10, 2026
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tekton-robot merged commit 811b38c into release-v0.81.x Aug 10, 2026
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3 participants