- Fix a wide range of bugs across the UI, executors, scheduler, and core components (e.g., task rescheduling, grid view actions, provider import errors, and Kubernetes job watcher).
- Add minor enhancements such as serialized reschedule field for BaseSensorOperator, index on log table, send callback for Kubernetes executors, and support for Postgres 14 and Kubernetes 1.24.
- Update documentation, improve internal typing, and disable Flower by default in Docker compose.
Apache Airflow 2.3.1
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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.