---
title: "Discussion on \"I built 13 labelled OpenAPI breaking-change cases, and oasdiff missed 2 of them\" | Hashnode"
description: "Discussion on \"I built 13 labelled OpenAPI breaking-change cases, and oasdiff missed 2 of them\". I'm working on Impact Gate, a warn-only PR check that tells you which consumers an API change can affect. Before claiming anything about it, I wanted a public set of cases anyone can run. So I wrote o"
url: "https://hashnode.com/posts/i-built-13-labelled-openapi-breaking-change-cases-and-oasdiff-missed-2-of-them/6ad4ab4c74de5285fc959caa"
---

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# [I built 13 labelled OpenAPI breaking-change cases, and oasdiff missed 2 of them](https://impactgate.hashnode.dev/i-built-13-labelled-openapi-breaking-change-cases-and-oasdiff-missed-2-of-them?utm_source=hashnode&utm_medium=feed)

I'm working on Impact Gate, a warn-only PR check that tells you which consumers an API change can affect. Before claiming anything about it, I wanted a public set of cases anyone can run. So I wrote o

Oct 18 · 2 min read · impactgate.hashnode.dev  
Updated Oct 21  
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## Written by

[Abhinav Sharma](https://hashnode.com/@abhinavs1920)

@abhinavs1920

  
[View profile](https://hashnode.com/@abhinavs1920)

Founder of Impact Gate. See who breaks before you change an API.

Founder of Impact Gate. I write about API changes and who they break. impactgate.in

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