- Fixed numerous bugs including variable existence checks, serialization of relativedelta and Params, SchedulerJob handling, and SQL Server task instance cleanup.
- Updated documentation for Kubernetes executor, Docker image tags, and added timetable parameter details.
- Corrected SQLite connection default path and improved DAG run detection and error messages.
Apache Airflow 2.2.2
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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.