- Added a `dagster dev` command for running Dagit and the daemon together, new M1/M2 install guide, and repository‑definitions args to backport to the Definitions API.
- Enhanced Dagit UI with email subscription prompt, materialize tags, kind tag display, source data links, query performance boosts, Snowflake private‑key auth, configurable dbt asset op, and updated documentation/examples.
- Breaking change: strings with escaped characters are now invalid partition keys; includes numerous bug fixes and performance improvements to asset reconciliation sensors.