{
  "slug": "aks-node-pool-add-and-update-support-ubuntu2404-os-sku-29cb95f7f790",
  "title": "AKS node pool add and update support Ubuntu2404 OS SKU",
  "tools": [
    "az"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-01-13T00:00:00.000Z",
  "announced_at": "2026-01-13T00:00:00.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When adding or updating an AKS node pool, set `--os-sku Ubuntu2404` to choose Ubuntu 24.04. Supply the resource group, cluster name, and node pool name for the selected command.",
    "examples": [
      "az aks nodepool add --resource-group <resource-group> --cluster-name <cluster-name> --name <node-pool-name> --os-sku Ubuntu2404",
      "az aks nodepool update --resource-group <resource-group> --cluster-name <cluster-name> --name <node-pool-name> --os-sku Ubuntu2404"
    ],
    "gotchas": [
      "Version: 2.82.0",
      "--resource-group (required): Resource group containing the AKS cluster.",
      "--cluster-name (required): Name of the managed Kubernetes cluster.",
      "--name (required): Node pool name; the command syntax also accepts `--nodepool-name`.",
      "--os-sku (required): OS SKU for the agent node pool. `Ubuntu2404` is an accepted value.",
      "Docs conflict: The current Azure CLI reference lists additional OS SKU values beyond those in the January 2026 release note, including Ubuntu2604. It still documents Ubuntu2404 as accepted."
    ]
  },
  "why_it_matters": "Choose the OS SKU when adding or updating an AKS node pool.",
  "sources": [
    "https://learn.microsoft.com/en-us/cli/azure/release-notes-azure-cli#january-13-2026",
    "https://learn.microsoft.com/en-us/cli/azure/aks/nodepool?view=azure-cli-latest"
  ],
  "rank": 0.91029,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "wave2b-20261017",
    "verdict_id": "wave2b-20261017:wave2b-20261017-c29eb3dbc09751c1-2:gate",
    "evidence_hash": "42320531b444a4bc82079da9ee2022a91d2298eb2416d4388fb33e7f5d5788a9"
  },
  "review": {
    "draft_hash": "2ce46772ad1f32ba69645c0baa88da1f9b7585b8cefb9f57d646d708bbe06f8f",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "wave2b-20261017:gate",
    "reason": "2 of 3 judge runs approved with p_yes >= 0.9 (mean 0.91 >= 0.9; 2 needed) and Jev gave 0.62 (>= 0.6 needed)."
  }
}
