- Fixed numerous bugs including config sensitivity checks, Select count errors during DB migration, non‑deterministic datetime deserialization, and permission issues in DAG and task‑instance endpoints.
- Added ZoneInfo and generic UTC support to improve datetime serialization and made dry‑run optional for patch task instances.
- Updated documentation with clarified audit‑log permissions, security model details, SBOM entry, and deprecation notice for numeric‑type Python version in PythonVirtualEnvOperator.
Apache Airflow 2.7.2
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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.