Impact Score: 5/10
dbt Core: dbt-core v1.6.6
Source available — automated, not human-reviewed
Component: dbt-core · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
dbt Core v1.6.6. Source highlight: dbt-core 1.6.6 - October 11, 2023
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
✨ New Features & Capabilities (2)
- Support `fill_nulls_with` and `join_to_timespine` for metric nodes (#8593)
- add a test for ephemeral cte injection (#8225)
🔧 Bug Fixes & Patches (6)
- Add connection status into list of statuses for dbt debug (#8350)
- Support global flags passed in after subcommands (#6497)
- Regenerate the v10 manifest jsonschema (#8763)
- Foreign key constraint on incremental model results in Database Error (#8022)
- Support docs blocks on versioned model column descriptions (#8540)
- Enable seeds to be handled from stored manifest data (#6875)
📄 View Raw Release Notes (Original Developer Log)
## dbt-core 1.6.6 - October 11, 2023
### Features
- Support `fill_nulls_with` and `join_to_timespine` for metric nodes ([#8593](https://github.com/dbt-labs/dbt-core/issues/8593))
### Fixes
- Add connection status into list of statuses for dbt debug ([#8350](https://github.com/dbt-labs/dbt-core/issues/8350))
- Support global flags passed in after subcommands ([#6497](https://github.com/dbt-labs/dbt-core/issues/6497))
- Regenerate the v10 manifest jsonschema ([#8763](https://github.com/dbt-labs/dbt-core/issues/8763))
- Foreign key constraint on incremental model results in Database Error ([#8022](https://github.com/dbt-labs/dbt-core/issues/8022))
- Support docs blocks on versioned model column descriptions ([#8540](https://github.com/dbt-labs/dbt-core/issues/8540))
- Enable seeds to be handled from stored manifest data ([#6875](https://github.com/dbt-labs/dbt-core/issues/6875))
- Override path-like args in dbt retry ([#8682](https://github.com/dbt-labs/dbt-core/issues/8682))
- Group updates on unmodified nodes are handled gracefully for state:modified ([#8371](https://github.com/dbt-labs/dbt-core/issues/8371))
### Under the Hood
- add a test for ephemeral cte injection ([#8225](https://github.com/dbt-labs/dbt-core/issues/8225))