> This page is for version 1.4.0 (Latest) (default).
> For other versions, use one of these documentation indexes:
> - 1.4.0 (Latest) (default): https://docs.nvidia.com/halos/outside-in-safety/1.4.0/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/halos/outside-in-safety/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/halos/outside-in-safety/_mcp/server.

# Regression Testing Reporter *(Preview)*

This section documents the **Regression Testing Reporter** — the closed-loop regression-testing layer that scores Halos safety decisions against Isaac Sim ground truth. Deploy SIL first (see [SIL — 2D Perception](/halos/outside-in-safety/testing/sil/sil-2d) for 2D or [SIL — 3D Perception](/halos/outside-in-safety/testing/sil/sil-3d) for 3D), then use the guides below.

## Where to start

* New to the Regression Testing Reporter? Read [Overview](/halos/outside-in-safety/testing/srr/overview).
* Ready to run a test? Go to [Quick Start Guide](/halos/outside-in-safety/testing/srr/quickstart).
* Reading a report? See [Interpreting the Report](/halos/outside-in-safety/testing/srr/interpret-results).