- Added experimental `dagster dbt project prepare` CLI and new `DbtProject` class for managing dbt manifests, replacing `DbtArtifacts` (breaking change)
- Fixed several bugs including duplicate asset check keys, freshness check execution errors, column lineage for incremental/alias models, and incorrect BigQuery bytes billed reporting
- Expanded documentation with dedicated pages for metadata and tags, asset metadata, user settings guide, updated API references, and contribution docs