- Upgrade bitnami/postgresql subchart to 13.2.24 and PostgreSQL binaries to 16.1.0, requiring a manual major version migration for existing users.
- Update default images: Airflow to 2.8.1, PgBouncer to 1.21.0, PgBouncer exporter to 0.16.0, StatsD to v0.26.0, and Redis to 7 (bookworm).
- Introduce native HPA for workers, Kerberos init container/sidecar, MySQL backend as KEDA trigger, and numerous enhancements (priorityClass, securityContexts, PVC templating, scheduler/webserver toggles).
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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.