# Patch 418: the hidden cost

> Make one risky change legible before merge.


A focused change review that connects a small diff to its larger promise.

- Type: Diff review
- Direction: Code-review broadsheet with redline annotations.
- Passes: diff-review, quieter
- visualize release: 0.2.0
- Demonstration content: yes
- [Open the interactive local version](https://usevisualize.ai/showcase/patch-review)