- Read‑only users can no longer access the `/dags` endpoint without additional permissions, requiring role updates for DagAccessEntity.RUN, HITL_DETAIL, and TASK_INSTANCE (breaking change).
- UI theme can now be overridden with simple CSS or cleared to defaults, and the tokens field in the theme config is optional (new feature).
- Extensive bug‑fixes: corrected default logging config, session leaks, N+1 query patterns, UI glitches, OpenSearch log support, and added JWT authentication docs.
Apache Airflow 3.2.1
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Expanded asset partitioning with new RollupMapper, FanOutMapper, FixedKeyMapper, SegmentWindow and runtime timetable support for dynamic partition keys.
✅ SMTP STARTTLS now validates server certificates by default; set `email.ssl_context="none"` to retain previous non‑validating behavior.