{
  "slug": "cdk-deploy-supports-concurrent-asset-builds-0fa1b7c29f17",
  "title": "cdk deploy supports concurrent asset builds",
  "tools": [
    "cdk"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-03-04T10:50:14.000Z",
  "announced_at": "2026-03-04T10:50:14.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When deploying a CDK app with multiple assets, run `cdk deploy --asset-build-concurrency 4` to parallelize asset builds.",
    "examples": [
      "cdk deploy --asset-build-concurrency 4"
    ],
    "gotchas": [
      "Version: 2.1109.0",
      "--asset-build-concurrency 4: Sets the asset build concurrency to 4. The release note gives this invocation but does not document the option’s accepted values or default.",
      "Docs conflict: The current AWS `cdk deploy` reference documents `--asset-parallelism <BOOLEAN>` for parallel asset builds, not `--asset-build-concurrency`. It may describe a newer CLI version; the release note for v2.1109.0 names `--asset-build-concurrency`. https://docs.aws.amazon.com/cdk/v2/guide/ref-cli-cmd-deploy.html"
    ]
  },
  "why_it_matters": "When deploying a CDK app with multiple assets, build assets in parallel.",
  "sources": [
    "https://github.com/aws/aws-cdk-cli/releases/tag/aws-cdk%40v2.1109.0",
    "https://github.com/aws/aws-cdk-cli/pull/983"
  ],
  "rank": 0.98043,
  "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": "wave2a-20261017",
    "verdict_id": "wave2a-20261017:wave2a-20261017-844e41de9aae92db-0:gate",
    "evidence_hash": "9a0f9293e0bd12c93f4e832289bb58a83663499cf3c425d4d7846de8c232abcc"
  },
  "review": {
    "draft_hash": "c928e0da9bc3712769f25e648fe61663f0ba19f74b98c438655079116021b93c",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "wave2a-20261017:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.98 >= 0.9; 2 needed) and Jev gave 0.73 (>= 0.6 needed)."
  }
}