- Added a new “queued” state for DagRuns and task instances, along with related state types
- Fixed many bugs such as task retry handling on SIGKILL/SIGTERM, secret redaction, race conditions, CLI Kubernetes cleanup, and DAG serialization errors
- Updated documentation (configuration docs, SQLite DB link) and upgraded dependencies (SQLAlchemy constraint removal, Jinja2, dnspython, Flask‑AppBuilder)