- Asset definitions now support tags, owners, and optional I/O managers; the Asset Details UI is revamped with an Overview tab and a unified “Unsynced” status view.
- Asset checks are GA, can be marked blocking, and gain a new @multi decorator plus freshness, timeliness, and column‑schema change check APIs; dbt integration now auto‑imports tags, owners, lineage, and tests as Dagster asset checks.
- Performance and usability upgrades include batched backfill event inserts, metadata access in I/O managers, UI enhancements, numerous bug fixes, a breaking change where custom non‑UUID run IDs raise an exception, and several deprecations...