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The Wire · Showcase

KOPS HARDENS AZURE, KUBERNETES CORE ROLLS BACK API DEFINITIONS

By RepoJournal · Filed · About Kubernetes

hakman rifelpet
2 people shipped this
hakman @hakman 1 cited rifelpet @rifelpet 1 cited

etcd-manager jumped to v3.0.20260512 in kops while a coordinated kube-openapi revert rippled across four core repos to fix an API definition issue.

The kops team shipped etcd-manager v3.0.20260512 [1], a critical infrastructure upgrade for production clusters. In the same window, kops hardened Azure deployments by fixing VMSS NIC discovery in protokube gossip seeding [2] and matching VM/NIC ARM IDs case-insensitively in the dumper [3] — both addressing real production pain points on Azure. Meanwhile, a coordinated revert of kube-openapi [ref:6, ref:8, ref:11, ref:14] propagated through kubernetes/endpointslice, kube-scheduler, dynamic-resource-allocation, and pod-security-admission to pick up API Definitions fixes [ref:7, ref:9, ref:12, ref:15]. The kube-scheduler also enabled validation-gen for all APIs [8], enforcing stricter schema enforcement going forward. Pod-security-admission added safe sysctls [11], expanding the allowlist for hardened environments. The kops team also cleaned up deprecated code paths [14], removing technical debt from older versions.

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Action items

References

  1. [1] etcd-manager: upgrade to v3.0.20260512 ↗ kubernetes/kops
  2. [2] Merge pull request #18319 from hakman/azure-fix-gossip-discovery kubernetes/kops
  3. [3] Merge pull request #18315 from hakman/azure-dump-equalfold kubernetes/kops
  4. [4] Merge pull request #139001 from jpbetz/bump-kube-openapi-for-revert kubernetes/endpointslice
  5. [5] Bump kube-openapi to pick up API Definitions revert kubernetes/endpointslice
  6. [6] Merge pull request #139001 from jpbetz/bump-kube-openapi-for-revert kubernetes/kube-scheduler
  7. [7] Bump kube-openapi to pick up API Definitions revert kubernetes/kube-scheduler
  8. [8] Merge pull request #138657 from jpbetz/codegen-discovery kubernetes/kube-scheduler
  9. [9] Merge pull request #139001 from jpbetz/bump-kube-openapi-for-revert kubernetes/dynamic-resource-allocation
  10. [10] Bump kube-openapi to pick up API Definitions revert kubernetes/dynamic-resource-allocation
  11. [11] Merge pull request #138389 from gheffern/add-safe-sysctls-135972 kubernetes/pod-security-admission
  12. [12] Merge pull request #139001 from jpbetz/bump-kube-openapi-for-revert kubernetes/pod-security-admission
  13. [13] Bump kube-openapi to pick up API Definitions revert kubernetes/pod-security-admission
  14. [14] Address misc TODO comments ↗ kubernetes/kops

Quick answers

What shipped in Kubernetes on May 13, 2026?
etcd-manager jumped to v3.0.20260512 in kops while a coordinated kube-openapi revert rippled across four core repos to fix an API definition issue. In total, 22 commits and 6 pull requests landed.
Who contributed to Kubernetes on May 13, 2026?
2 developers shipped this update, including hakman and rifelpet.
What were the notable Kubernetes updates?
etcd-manager: upgrade to v3.0.20260512, Merge pull request #18319 from hakman/azure-fix-gossip-discovery, and Merge pull request #18315 from hakman/azure-dump-equalfold.

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