> ## Documentation Index
> Fetch the complete documentation index at: https://docs.davinci-app.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Version 5.1.1 - Engineering Workflow Updates

> September 3 2026

## Version 5.1.1 - Engineering Workflow Updates

This patch improves engineering file workflows, agent image tools, and simulation and card capabilities.

### Highlights

* Improved STEP assembly imports and batch file uploads
* Added image-region selection for focused chat context and an agent tool for editing images
* Added simulation safety factors and improved simulation limit feedback
* Improved PCB symbol and footprint search reliability
* Refined card and artifact-reference interactions

### API Additions

* Card list endpoints now support deadline and effort filters, including cards with no deadline or effort
* Card API responses now include author, close-time, and tag information where applicable