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fix(lambda): correct CloudWatch Lambda Insights ARM64 v1.0.498.0 layer ARNs#37463

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syukawa-gh:fix/lambda-insights-arm64-498-arns
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fix(lambda): correct CloudWatch Lambda Insights ARM64 v1.0.498.0 layer ARNs#37463
syukawa-gh wants to merge 2 commits intoaws:mainfrom
syukawa-gh:fix/lambda-insights-arm64-498-arns

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Issue

Closes #36867

Reason for this change

The ARM64 layer ARNs for Lambda Insights version 1.0.498.0 were incorrectly pinned to layer version 25 across all regions. The AWS documentation shows different layer versions per region (e.g., ap-northeast-1 should be :38, us-east-1 should be :27, us-east-2 should be :29).

Description of changes

Updated CLOUDWATCH_LAMBDA_INSIGHTS_ARNS in fact-tables.ts for the 1.0.498.0 ARM64 entries to match the official AWS documentation:

  • Corrected layer version numbers for all existing regions
  • Corrected account IDs for several regions (ap-southeast-4, ca-west-1, il-central-1, us-gov-east-1, us-gov-west-1)
  • Added missing regions: ap-southeast-5, ap-southeast-7, mx-central-1

Description of how you validated changes

Cross-referenced every ARN against the official AWS documentation table.

Checklist

@github-actions github-actions bot added admired-contributor [Pilot] contributed between 13-24 PRs to the CDK bug This issue is a bug. effort/medium Medium work item – several days of effort p2 labels Apr 1, 2026
@aws-cdk-automation aws-cdk-automation requested a review from a team April 1, 2026 01:59
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The pull request linter fails with the following errors:

❌ Fixes must contain a change to an integration test file and the resulting snapshot.

If you believe this pull request should receive an exemption, please comment and provide a justification. A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed, add Clarification Request to a comment.

✅ A exemption request has been requested. Please wait for a maintainer's review.

…r ARNs

The ARM64 layer ARNs for Lambda Insights version 1.0.498.0 were
incorrectly pinned to layer version 25 across all regions. Updated
to match the official AWS documentation with correct per-region
layer versions. Also added missing regions (ap-southeast-5,
ap-southeast-7, mx-central-1) and corrected account IDs for
several regions (ap-southeast-4, ca-west-1, il-central-1,
us-gov-east-1, us-gov-west-1).

Closes aws#36867
@syukawa-gh syukawa-gh force-pushed the fix/lambda-insights-arm64-498-arns branch from d64f473 to 4901e94 Compare April 1, 2026 08:20
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Exemption Request: This change is a minimal fix that does not alter CloudFormation resource behavior in a way that requires a new integration test. The fix is covered by unit tests.

@aws-cdk-automation aws-cdk-automation added the pr-linter/exemption-requested The contributor has requested an exemption to the PR Linter feedback. label Apr 1, 2026
@aws-cdk-automation aws-cdk-automation added the pr/needs-community-review This PR needs a review from a Trusted Community Member or Core Team Member. label Apr 6, 2026
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admired-contributor [Pilot] contributed between 13-24 PRs to the CDK bug This issue is a bug. effort/medium Medium work item – several days of effort p2 pr/needs-community-review This PR needs a review from a Trusted Community Member or Core Team Member. pr-linter/exemption-requested The contributor has requested an exemption to the PR Linter feedback.

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(lambda): CloudWatch Lambda Insights ARM64 version 1.0.498.0 resolves to incorrect Lambda Layer ARNs

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