Airflow 3's Remote Execution feature, introduced by Astronomer, addresses the challenge of balancing security and efficiency in hybrid and regulated environments. It decouples task execution from the central Airflow infrastructure, allowing tasks to run securely in customer-managed environments—on-premises, private clouds, or edge locations—without exposing sensitive data or requiring inbound network connections. Only essential scheduling and health data are sent outbound to the orchestrator, ensuring data sovereignty and compliance while maintaining full observability and control.

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