aws-cloudformation/cfn-lint v1.50.0 on GitHub

What's Changed

feat: add rule E3720 to validate StorageEncrypted is set when KmsKeyId is specified for non-custom engine RDS DBInstances by @kddejong in #4480
feat: add rule E3721 to validate ReplicaMode enum values for Oracle and Db2 engines by @kddejong in #4480
feat: add rule W3699 to warn when ReplicaMode is specified for non-Oracle/Db2 engines (silently ignored) by @kddejong in #4480
feat: add rule W3700 to warn when EIP Domain has non-standard values (silently converted to vpc) by @kddejong in #4480
Add maxUniqueItems JSON Schema keyword for arrays where duplicates are allowed but unique count is limited by @kddejong in #4480
Fix schema validation false positives for CloudWatch Alarm actions, Lambda Layers, Connect RoutingProfile, and stale smithy enums by @kddejong in #4480
Update CI badge in README.md by @ScottBrenner in #4478
Update CloudFormation schemas to 2026-04-27 by @github-actions[bot] in #4477

Full Changelog: v1.49.3...v1.50.0