Airflow Summit 2021 was a highly successful event that attracted over 10,000 attendees globally, celebrating the Apache Airflow® community and its developments. The summit featured seven days of talks hosted by meetups from cities like London, Bangalore, and Tokyo, reflecting the theme "Community over the code." Key highlights included discussions on Airflow's integration into various data platforms by major companies such as Pinterest and PayPal, insights into the future of Apache Airflow post-2.0 release, and technical deep dives into Airflow's architecture and integration with other technologies like Ray for scaling machine learning operations. Prominent speakers from Astronomer, including Kaxil Naik and Ry Walker, contributed significantly by discussing new advancements like the Next-Gen Astronomer Cloud and providing guidance on transitioning to Airflow 2.0. The summit concluded with talks on enhancing Airflow's functionality, such as customizing Xcom for improved data sharing and embracing Kubernetes for streamlined deployment.