---
title: "Exact workflow lineage"
date: "2026-08-14"
---

## More

<Accordion title="API">
- Run specifications and projections now preserve the exact immutable `workflow_version_id` used at admission
- Workflow-version goals now include and validate the complete closure of child workflow dependencies
</Accordion>

<Accordion title="Fixes">
- Clone-based sandboxes now verify an admitted exact commit instead of silently using a newer branch head
</Accordion>
