April 2026 monthly summary for the developer team: Key features delivered - Bug fix: SSL configuration for amqps broker URLs and application of user-defined Celery options, improving reliability and configurability of Celery-based messaging (repo: aws-mwaa/upstream-to-airflow). Commit: b6472b26a44ce4834a563befea72dea7deb46da1. - Feature: DagVersionSelect now filters available DAG versions by the selected DagRun, reducing UI clutter and surfacing only relevant options; tests added to verify behavior (repo: aws-mwaa/upstream-to-airflow). Commit: 8e1f6c457c38c8547b04cc5a4b7cb6c634a48783. - Feature: Mutual TLS support and enhanced SSL configuration for the Celery provider, with improved error handling for SSL key/cert requirements (repo: gopidesupavan/airflow). Commit: 58fb2fb0938225aa928553071b393e382de34fdc. - Feature: Sequential log line numbering in UI with a pre-scan to handle group markers, addressing gaps and improving log readability; tests added (repo: gopidesupavan/airflow). Commit: 55162a373963947089c8153ad58c127719836625. Major bugs fixed - Resolved broker SSL application gap for amqps URLs and ensured user-defined Celery options are respected, improving messaging reliability and configuration consistency (repo: aws-mwaa/upstream-to-airflow). Commit: b6472b26a44ce4834a563befea72dea7deb46da1. Overall impact and accomplishments - Delivered reliability and configurability improvements across messaging and DAG versioning, enhancing operational stability for users relying on Celery-powered workflows and DAG version management. - Improved UI/UX and log readability, reducing troubleshooting time and enabling faster issue diagnosis. - Expanded security posture with mutual TLS support and robust SSL handling, addressing common deployment scenarios and error conditions. - Strengthened testing coverage for new behaviors, contributing to regression safety and confidence in ongoing changes. Technologies/skills demonstrated - SSL/TLS, including mutual TLS, and Celery configuration management - UI/UX enhancement for dynamic filtering and log presentation - Test-driven development with new UI and backend tests - Cross-repo collaboration and code quality improvements (commit hygiene, import sorting, etc.) - Co-authored work with teammates and cross-team contributors