# What one change reaches, before anyone runs anything.

Change impact (building). For a pull request: the routes, features and tests it touches, so only those re-run. Shown on a recorded run so far.

In: a merge request.

The proof: shown on BookStack pull request #6108, in a recorded run. BookStack · pull request #6108 on Codeberg · shown on a recorded run.

## What it is made of

- **Merge-request impact**: What one change reaches, before anyone runs anything. Receipt: shown on BookStack pull request #6108, in a recorded run. When: a recorded run.

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The page this twin stands for: https://featkpr.com/services/change-impact. Every page on this site has a `.md` twin, and answers `Accept: text/markdown`.