May 2026 monthly summary for apache/dolphinscheduler focusing on key features, bugs, and impact. Deliverables: - Implemented Custom AWS S3 region configuration for endpoint-based client creation. This feature enables specifying a custom AWS S3 region when configuring an endpoint-based S3 client and includes validation to ensure the region is not empty when an endpoint is provided, preventing misconfigurations in production deployments. - Commit referenced: 8cd7aec07cc63657866c3e6929be237b56eb9937 ( [Improvement-18267][Remote Logging] Allow custom S3 region with endpoint (#18268); Co-authored-by: xiangzihao ) Impact: - Increases flexibility for cross-region S3 data access and strengthens remote logging reliability by supporting region-specific endpoints. - Improves configuration safety by validating non-empty region when an endpoint is provided, reducing misconfigurations. Technologies/skills demonstrated: - AWS S3 endpoint-based client configuration - Input validation patterns to prevent misconfigurations - Collaborative development and code review practices (Co-authored by xiangzihao) - Alignment with Improvement-18267 and Remote Logging initiatives

April 2026 monthly summary for Apache Dolphin Scheduler focusing on preserving data integrity in API responses and improving version tracking accuracy for workflow definitions.