Chris Hamons

[This](https://github.com/dotnet/wcf/blob/main/src/System.Private.ServiceModel/src/System/ServiceModel/Channels/HttpResponseMessageHelper.cs#L218-L228) appears to be the location of the exception.

I would like to confirm that people seeing this are all remote building from Windows, and none are building on a mac directly. Please let us know if that is...

Looking into this a bit more, the difference appears to be that macOS is choosing (in ResolveRuntimePackAssets) a static lib: ``` /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.Mono.ios-arm64/6.0.7/runtimes/ios-arm64/native/libSystem.IO.Compression.Native.a ``` while Windows remote build is choosing a...

So @RaspeR87 @anupam99 @Symbai - I'm trying to reproduce this locally on a Windows machine and I can't publish at all without a runtime identifier configured, which I see missing...

I understand you _can_ set RuntimeIdentifier's in the csproj, but without a csproj to compare against I'm not 100% sure what it's being set to. @Symbai - Doe setting `/p:RuntimeIdentifier=ios-arm64`...

I don't think this is going to happen without work that we don't have time for right now.

I was able to run on macOS (10.15), and saw a number of error messages: ``` dtrace: description 'profile-997 ' matched 1 probe dtrace: pid 45003 has exited dtrace: error...

Apologies, I thought I pasted it. 10.15.6 (19G73)

Thanks for the feedback! If you'd like, you are very welcome to post a PR against this repo with your suggested changes. Else the sample may be tweaked with your...

I believe I have the background tasks firing with this change: https://github.com/xamarin/ios-samples/pull/393/files which is noted in the [readme instructions](https://github.com/xamarin/ios-samples/blob/master/ios13/RefreshingAndMaintainingYourAppUsingBackgroundTasks/README.md) as something you need to do.