aws-cloudformation/cfn-lint v1.51.0

Release v1.51.0

on GitHub

What's Changed

• Update snapshots script and conditions yaml by @satyakigh in #4479
• feat: add rule W1054 to warn on raw pseudo-parameter strings without Ref by @cv-dote in #4453
• feat: add rule E3064 to validate duplicate Interface VPC Endpoint with PrivateDnsEnabled by @kddejong in #4492
• feat: Add support for Fn::GetStackOutput intrinsic function by @kddejong in #4495
• Fix E3039 crash when Fn::Transform used at list properties by @kddejong in #4498
• Fix ResultWriter schema of step functions by @szbartnik in #4497
• Update CloudFormation schemas to 2026-05-11 by @github-actions[bot] in #4490
• Move SSM Parameter Name prefix check from error to warning by @kddejong in #4501
• Fix W3664 false positive for regional CWL principal by @kddejong in #4506
• Fix schema validation issues and add warning rules by @kddejong in #4502
• Update CloudFormation schemas to 2026-05-12 by @github-actions[bot] in #4503
• Include usage path in W3034 parameter range error by @kddejong in #4507

New Contributors

• @satyakigh made their first contribution in #4479
• @cv-dote made their first contribution in #4453
• @szbartnik made their first contribution in #4497

Full Changelog: v1.50.1...v1.51.0