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feat(cloudfront-origins): use dual-stack ip address type by default for lambda function url origin (under feature flag) #35754
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aws-cdk-automation
previously requested changes
Oct 15, 2025
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(This review is outdated)
✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.
…ns-dualstack-default-35450
This was referenced Nov 15, 2025
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distinguished-contributor
[Pilot] contributed 50+ PRs to the CDK
effort/medium
Medium work item – several days of effort
feature-request
A feature should be added or improved.
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This PR needs a review from a Trusted Community Member or Core Team Member.
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Issue # (if applicable)
Closes #35450.
Reason for this change
CloudFront recently launched support for IPv6 origins.
Lambda function URL's are by default dual stack.
It is better to update default behavior of IP address type settings from IPV4 to Dualstack.
Description of changes
@aws-cdk/aws-cloudfront-origins:functionUrlOriginDualStackDefaultDescribe any new or updated permissions being added
None
Description of how you validated changes
Add both unit and integ tests.
Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license