- Add backfill support for asset selections with mapped partitions and display of asset staleness causes in Dagit
- Introduce new IO manager features: DuckDB‑Polars type handler, PySpark handler for BigQuery, and multi‑partition loading for Snowflake and DuckDB; add Databricks op factories and runtimePlatform config for ECS RunLauncher, plus Azure Def...
- Various bug fixes across asset selection, UI partition health, multipartition handling, and docs; add experimental logical version on outputs and new asset provenance API