While there is no single feature or official Airflow term known as "Airflow XCom Exclusive," the phrase typically refers to specific configurations or high-level design patterns within Airflow's cross-communication (XCom) system. Mutually Exclusive XCom Configurations
Modern Airflow allows pluggable XCom backends. For true exclusivity, use that store values in Redis, GCS, or S3. This allows you to enforce size limits and clean up after the DAG run, keeping the metadata DB pristine. airflow xcom exclusive