- Fixed numerous bugs: task scheduling dead‑locks, empty resources, Python 3.8 plugin import errors, and a setup.py typo; updated setup dependencies handling.
- Patched Flask SECRET_KEY security issues and now generate a random key by default; added new CLI commands and metrics for scheduling delay and Kubernetes pod cleanup.
- Clarified supported database information in docs and renamed scheduler config option for clearer semantics.
Airflow 1.10.14, 2020-12-10
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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.