Fixes:
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Found conflicts between different versions of "System.Reflection.Metadata" that could not be resolved. [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: There was a conflict between "System.Reflection.Metadata, Version=1.4.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" and "System.Reflection.Metadata, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a". [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: "System.Reflection.Metadata, Version=1.4.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" was chosen because it was primary and "System.Reflection.Metadata, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" was not. [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: References which depend on "System.Reflection.Metadata, Version=1.4.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" [xamarin-macios/packages/system.reflection.metadata/1.6.0/lib/netstandard2.0/System.Reflection.Metadata.dll]. [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/system.reflection.metadata/1.6.0/lib/netstandard2.0/System.Reflection.Metadata.dll [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "xamarin-macios/packages/system.reflection.metadata/1.6.0/lib/netstandard2.0/System.Reflection.Metadata.dll". [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/system.reflection.metadata/1.6.0/lib/netstandard2.0/System.Reflection.Metadata.dll [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: References which depend on "System.Reflection.Metadata, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" []. [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/microsoft.net.illink.tasks/6.0.200-1.22219.3/tools/net472/ILLink.Tasks.dll [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "xamarin-macios/packages/microsoft.net.illink.tasks/6.0.200-1.22219.3/tools/net472/ILLink.Tasks.dll". [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: ILLink.Tasks [xamarin-macios/msbuild/Xamarin.iOS.Tasks/Xamarin.iOS.Tasks.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Found conflicts between different versions of "System.IO.Compression" that could not be resolved. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: There was a conflict between "System.IO.Compression, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" and "System.IO.Compression, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: "System.IO.Compression, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" was chosen because it was primary and "System.IO.Compression, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" was not. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: References which depend on "System.IO.Compression, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" [xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.IO.Compression.dll]. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.IO.Compression.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.IO.Compression.dll". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.IO.Compression.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: References which depend on "System.IO.Compression, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" []. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: /Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Build.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Build.dll". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Microsoft.Build [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Xamarin.iOS.Tasks [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: /Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Build.Tasks.Core.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Build.Tasks.Core.dll". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Microsoft.Build.Tasks.Core [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Xamarin.iOS.Tasks [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Found conflicts between different versions of "System.Net.Http" that could not be resolved. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: There was a conflict between "System.Net.Http, Version=4.1.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" and "System.Net.Http, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: "System.Net.Http, Version=4.1.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" was chosen because it was primary and "System.Net.Http, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" was not. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: References which depend on "System.Net.Http, Version=4.1.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" [xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.Net.Http.dll]. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.Net.Http.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.Net.Http.dll". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: xamarin-macios/packages/netstandard.library/2.0.3/build/netstandard2.0/ref/System.Net.Http.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: References which depend on "System.Net.Http, Version=4.2.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" []. [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: /Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Build.Tasks.Core.dll [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Project file item includes which caused reference "/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Build.Tasks.Core.dll". [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Microsoft.Build.Tasks.Core [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/msbuild/Current/bin/Microsoft.Common.CurrentVersion.targets(2218,5): warning MSB3277: Xamarin.iOS.Tasks [xamarin-macios/msbuild/Messaging/Xamarin.Messaging.Build/Xamarin.Messaging.Build.csproj]
6b5ce1401f