- Fixed numerous bugs such as import errors, task retry handling, DAG processor crashes, and API n+1 query issues
- Improved UI elements (navigation design, log download button, timestamp column) and enhanced accessibility
- Optimized database queries and reduced serialized DAG size for performance gains
Apache Airflow 3.1.2
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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.