- Definitions API is now the preferred, non‑experimental entry point and the Dagit Workspace UI is replaced by a Deployment/Code Locations view.
- TimeWindowPartitionMapping now supports start/end offsets; schedules execute in constant time, QueuedRunCoordinator can dequeue concurrently, and dagit can load multiple code locations via -m/-f flags.
- DBT assets can declare freshness policies, Airflow integration adds connection parameters, and a host of bug fixes and doc updates improve stability and guidance.