January 2026: Focused on feature delivery and documentation quality improvements for phuhung273/aws-cdk. Key changes include deprecating legacy AWS Lambda runtimes to align with supported versions and updating documentation to reduce user confusion. These efforts improve security posture, migration readiness, and user guidance while maintaining compliance with project standards.

February 2025 monthly summary for aws/aws-cdk focusing on Mutual TLS enhancement for ALB listeners. Delivered AdvertiseTrustStoreCaNames feature for mTLS, adding the advertiseTrustStoreCaNames property to the MutualAuthentication interface and wiring the ALB listener resource to advertise CA names from the trust store to clients. Included corresponding test updates. This work strengthens mutual TLS security and interoperability by exposing the trust chain CA names to clients, facilitating better certificate validation and operational confidence.

January 2025 monthly summary for aws/aws-cdk: Focused on improving documentation quality across multiple packages to enhance developer experience and reduce maintenance friction. Delivered targeted readability improvements and fixed typographical errors across elasticloadbalancingv2, ec2-alpha, and DynamoDB docs, aligning with contributor guidelines and improving consistency across the AWS CDK repository.

December 2024 monthly summary for aws/aws-cdk: Delivered deprecation of the Python 3.8 runtime in the AWS CDK library. Added a @deprecated JSDoc tag to the Runtime.PYTHON_3_8 static property and provided a migration message guiding users to newer runtimes, aligning with AWS Lambda's official deprecation status. This work reduces support for outdated runtimes and helps customers migrate to supported runtimes with minimal friction. Commit reference included: 27619cc401829a851f211e0b7e81fcf84c5cbd44 (fix(lambda): add @deprecated tag to python3.8 (#32162)).