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OpenApiComparer is not implemented #414
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Huh! I had no idea. I don't whether it is in finished enough to consider merging in. If it is I can create a PR based on it.
Reacted by Kevin HicksAny new information? Looks lite this code is productoin ready and was added 2 year ago, but still not in master
This code has been merged into the vnext branch. I would like to include it in the v1.2 release but there are still some failing tests. I have marked them as skip for the moment, but they need to be fixed before we can release.
Hi, do you have ETA for complete feature or at least new update? Latest prerelease available on nuget throws StackOverflowException for my swagger doc.
My current thinking is to move comparer capability out to a separate package. There are several contributed solutions and I don't feel like picking a winner.
What is the status of this task? Is it shelved or is it in backlog for considerable future?
Did you end up moving the comparer capability into another repo? It doesn't appear to be here anymore so was wondering if it can be found somewhere else. Thanks.
Hey Nick Ward (@nikjw-lmk) . I moved the code into a feature branch https://github.com/microsoft/OpenAPI.NET/tree/feature/comparer/src/Microsoft.OpenApi/Services I haven't moved it out into a separate module. I have been focused on trying to get the OpenAPIWorkspace into a releasable state.
Reacted by Nick WardAny progress?
Reacted by VERNOU Cédric- marked Implement IEquatable/ICloneable for all classes in the model hierarchy? #537 as a duplicate of this issue
on Dec 22, 2025
Hello,
My team is using this repository to generate our OpenAPI document, and we started using the OpenApiComparer recently in our project. This method returns a value so we believed it was working until recently when after making a change this still returned an empty list.
After looking at the implementation it's quite clear that this method does nothing but it is documented as being a method that "Compares two OpenApiDocuments and returns a list of differences.".
I believe this method should be removed or should throw instead.
After looking a bit more, there seems to be a valid implementation of this in the vnext branch that was never merged into master.