Package validation and interface inheritance problem

Problem

Greetings,

we use package validation which is great and currently we are facing issue (maybe it is feature). We have extended our interface from IBackgroundTaskQueue to IBackgroundTaskQueue : IDisposable. I would expect that when we try to make package it shows error since we introduced new required metho Dispose which has to be implemented in class which implements this interface. But there is no error. It seems odd to me since if I add some method to interface directly it shows error such as

error CP0006: Cannot add interface member 'IBackgroundTaskQueue.Test()' to lib/netstandard2.1/XXX.dll because it does not exist on [Baseline] lib/netstandard2.1/XXX.dll

Thanks for advice Dusan Hudecek

Current behavior

No error package builds and package validation reports NO error.

Expectation

I would expect that error similar to CP0006 is shown.

sdk

.NET 6

[hudecekd]

Hi @Eilon , shouldn’t your discussion have its own issue? it seems that all comments now are not about the original problem but about Fabricbot and it can make issue comments not clear since they are not related to issue. Thanks

[Eilon]

@hudecekd you know what, I never even noticed what the original issue here was because I was only responding to individual comments 😄 Anyway, I logged https://github.com/dotnet/sdk/issues/26166 to track creating automation rules, and I’ve hidden the irrelevant comments from this issue. Thanks for keeping us honest 😁