- Add resources and configurability for cleanup/createuser jobs, migration jobs, custom pod annotations, and make PgBouncer command/args configurable while defaulting to Python 3.7.
- Improve reliability with increased liveness probe timeout, mount DAGs in the triggerer, and enforce strict Kubernetes schema validation.
- Fix UI worker pod creation, enhance OpenShift compatibility, update documentation, bump default Airflow version to 2.2.1, and modernize Dockerfile builds.
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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.