- Teardown tasks are now executed when a DAG run is manually marked as failed or success (if setup tasks ran), requiring the DAG to stay in a running state for scheduling.
- Extensive bug fixes for mapped tasks, trigger rules, XCom handling, logging, sensor rescheduling, SQLAlchemy JSON types, and other core components.
- Deprecates using `conf` from Task Context, adds new webserver parameters (max form parts/memory), and removes custom scheduling dependencies.
Apache Airflow 2.10.5
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Updated XCom handling for pandas 3, now storing the class name; all components must be upgraded or DataFrames from pandas 3 become unreadable.