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Q&A How to find out which packages target .NET 3.1 in a .NET 5 application?

After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server. However, when deployed on a server that had only .NET 5.0 installed, the applicat...

1 answer  ·  posted 3y ago by Alexei‭  ·  last activity 3y ago by Alexei‭

#2: Post edited by user avatar Alexei‭ · 2021-06-10T06:05:57Z (over 3 years ago)
removed a server name from the post
  • After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server.
  • However, when deployed on a server that had only .NET 5.0 installed, the application pool crashed and said (as a logged event) that .NET Core 3.1 is missing.
  • Clearly, some packages were not fully upgraded. The target framework is 5.0 for all projects and all `Microsoft.*` NuGet packages are using 5.* versions (e.g. EntityFramework).
  • I am wondering how can I find which packages (or other settings?) still require .NET 3.1.
  • I found [dotnet list package](https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-list-package) for listing all solution packages and tried the following:
  • ```
  • dotnet list Ubisoft.PtbNext.sln package --include-transitive --outdated --highest-minor
  • ```
  • which provided all packages, including the "transitive" ones:
  • ```
  • The following sources were used:
  • https://api.nuget.org/v3/index.json
  • https://artifactory.Foo.org/api/nuget/nuget/
  • \\buc-srv-tfs02\3S Nuget Repository\official
  • C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\
  • Project `Foo.Bar.WebApi` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.AspNetCore.Mvc.NewtonsoftJson 5.0.5 5.0.5 5.0.6
  • > Microsoft.AspNetCore.SpaServices.Extensions 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Tools 5.0.5 5.0.5 5.0.6
  • > Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.Identity.Web 1.9.1 1.9.1 1.12.0
  • > NLog.Schema 4.7.9 4.7.9 4.7.10
  • > NLog.WindowsIdentity 4.7.9 4.7.9 4.7.10
  • > Swashbuckle.AspNetCore 6.1.3 6.1.3 6.1.4
  • Transitive Package Resolved Latest
  • > Azure.Core 1.4.1 1.14.0
  • > Azure.Identity 1.2.3 1.4.0
  • > FluentValidation 10.0.4 10.2.2
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.2.2
  • > Humanizer.Core 2.8.26 2.10.1
  • > Microsoft.AspNet.WebApi.Client 5.2.4 5.2.7
  • > Microsoft.AspNetCore.Authentication.JwtBearer 5.0.0 5.0.6
  • > Microsoft.AspNetCore.Authentication.OpenIdConnect 5.0.0 5.0.6
  • > Microsoft.AspNetCore.JsonPatch 5.0.5 5.0.6
  • > Microsoft.Bcl.AsyncInterfaces 1.0.0 1.1.1
  • > Microsoft.Data.SqlClient 2.0.1 2.1.3
  • > Microsoft.Data.SqlClient.SNI.runtime 2.0.1 2.1.1
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Design 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.InMemory 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Relational 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.SqlServer 5.0.5 5.0.6
  • > Microsoft.Extensions.ApiDescription.Server 3.0.0 3.1.15
  • > Microsoft.Extensions.Diagnostics.HealthChecks 5.0.5 5.0.6
  • > Microsoft.Extensions.Diagnostics.HealthChecks.Abstractions 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Identity.Client 4.29.0 4.31.0
  • > Microsoft.Identity.Client.Extensions.Msal 2.12.0 2.18.4
  • > Microsoft.IdentityModel.JsonWebTokens 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Logging 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Protocols 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Protocols.OpenIdConnect 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Tokens 6.10.1 6.11.1
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > Microsoft.NETCore.Platforms 5.0.0 5.0.2
  • > Microsoft.NETCore.Targets 1.1.0 1.1.4
  • > NLog 4.7.9 4.7.10
  • > RabbitMQ.Client 5.0.1 5.2.0
  • > runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.native.System 4.3.0 4.3.1
  • > runtime.native.System.IO.Compression 4.3.0 4.3.2
  • > runtime.native.System.Net.Http 4.3.0 4.3.1
  • > runtime.native.System.Net.Security 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > Swashbuckle.AspNetCore.Swagger 6.1.3 6.1.4
  • > Swashbuckle.AspNetCore.SwaggerGen 6.1.3 6.1.4
  • > Swashbuckle.AspNetCore.SwaggerUI 6.1.3 6.1.4
  • > System.Buffers 4.5.0 4.5.1
  • > System.Console 4.3.0 4.3.1
  • > System.Drawing.Common 5.0.0 5.0.2
  • > System.IdentityModel.Tokens.Jwt 6.10.1 6.11.1
  • > System.IO.Pipelines 4.5.2 4.7.4
  • > System.Linq.Dynamic.Core 1.2.9 1.2.10
  • > System.Memory 4.5.3 4.5.4
  • > System.Net.Http 4.3.0 4.3.4
  • > System.Net.Primitives 4.3.0 4.3.1
  • > System.Net.Security 4.3.0 4.3.2
  • > System.Reflection.Emit.ILGeneration 4.3.0 4.7.0
  • > System.Reflection.Emit.Lightweight 4.3.0 4.7.0
  • > System.Reflection.TypeExtensions 4.3.0 4.7.0
  • > System.Runtime 4.3.0 4.3.1
  • > System.Runtime.CompilerServices.Unsafe 4.5.1 4.7.1
  • > System.Runtime.Extensions 4.3.0 4.3.1
  • > System.Security.Cryptography.Algorithms 4.3.0 4.3.1
  • > System.Security.Cryptography.Cng 4.5.0 4.7.0
  • > System.Security.Cryptography.OpenSsl 4.3.0 4.7.0
  • > System.Security.Cryptography.Pkcs 4.5.0 4.7.0
  • > System.Security.Cryptography.X509Certificates 4.3.0 4.3.2
  • > System.Security.Cryptography.Xml 4.5.0 4.7.0
  • > System.Text.Encoding.CodePages 4.7.0 4.7.1
  • > System.Text.RegularExpressions 4.3.0 4.3.1
  • > System.Threading.Tasks.Extensions 4.5.2 4.5.4
  • > System.Xml.ReaderWriter 4.3.0 4.3.1
  • > Foo.Bar.ODataNuget 1.0.0.19 1.0.0.23
  • Project `Foo.Bar.Application` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.0.4 10.2.2
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > System.Linq.Dynamic.Core 1.2.9 1.2.9 1.2.10
  • Transitive Package Resolved Latest
  • > FluentValidation 10.0.4 10.2.2
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > NLog 4.7.9 4.7.10
  • > System.Buffers 4.5.0 4.5.1
  • > System.Text.Encodings.Web 4.5.0 4.7.2
  • > Foo.Bar.Common 1.0.0 Not found at the sources
  • > Foo.Bar.Domain 1.0.0 Not found at the sources
  • Project `Foo.Bar.Domain` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.0.4 10.2.2
  • Transitive Package Resolved Latest
  • > FluentValidation 10.0.4 10.2.2
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > NLog 4.7.9 4.7.10
  • > System.Buffers 4.5.0 4.5.1
  • > System.Text.Encodings.Web 4.5.0 4.7.2
  • > Foo.Bar.Common 1.0.0 Not found at the sources
  • Project `Foo.Bar.Infrastructure` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.InMemory 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.SqlServer 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Tools 5.0.5 5.0.5 5.0.6
  • > NLog 4.7.9 4.7.9 4.7.10
  • > Foo.Bar.ODataNuget 1.0.0.19 1.0.0.19 1.0.0.23
  • Transitive Package Resolved Latest
  • > FluentValidation 10.0.4 10.2.2
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.2.2
  • > Humanizer.Core 2.8.26 2.10.1
  • > Microsoft.AspNet.WebApi.Client 5.2.4 5.2.7
  • > Microsoft.Data.SqlClient 2.0.1 2.1.3
  • > Microsoft.Data.SqlClient.SNI.runtime 2.0.1 2.1.1
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Design 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Relational 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Identity.Client 4.14.0 4.31.0
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > Microsoft.NETCore.Platforms 5.0.0 5.0.2
  • > Microsoft.NETCore.Targets 1.1.3 1.1.4
  • > Newtonsoft.Json.Bson 1.0.1 1.0.2
  • > RabbitMQ.Client 5.0.1 5.2.0
  • > runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.native.System 4.3.0 4.3.1
  • > runtime.native.System.IO.Compression 4.3.0 4.3.2
  • > runtime.native.System.Net.Http 4.3.0 4.3.1
  • > runtime.native.System.Net.Security 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > System.Buffers 4.5.0 4.5.1
  • > System.Console 4.3.0 4.3.1
  • > System.Drawing.Common 5.0.0 5.0.2
  • > System.IO.Pipelines 4.5.2 4.7.4
  • > System.Linq.Dynamic.Core 1.2.9 1.2.10
  • > System.Memory 4.5.1 4.5.4
  • > System.Net.Http 4.3.0 4.3.4
  • > System.Net.Primitives 4.3.0 4.3.1
  • > System.Net.Security 4.3.0 4.3.2
  • > System.Reflection.Emit.ILGeneration 4.3.0 4.7.0
  • > System.Reflection.Emit.Lightweight 4.3.0 4.7.0
  • > System.Reflection.TypeExtensions 4.3.0 4.7.0
  • > System.Runtime 4.3.0 4.3.1
  • > System.Runtime.CompilerServices.Unsafe 4.5.1 4.7.1
  • > System.Runtime.Extensions 4.3.0 4.3.1
  • > System.Security.Cryptography.Algorithms 4.3.0 4.3.1
  • > System.Security.Cryptography.Cng 4.5.0 4.7.0
  • > System.Security.Cryptography.OpenSsl 4.3.0 4.7.0
  • > System.Security.Cryptography.Pkcs 4.5.0 4.7.0
  • > System.Security.Cryptography.X509Certificates 4.3.0 4.3.2
  • > System.Security.Cryptography.Xml 4.5.0 4.7.0
  • > System.Text.Encoding.CodePages 4.7.0 4.7.1
  • > System.Text.Encodings.Web 4.5.0 4.7.2
  • > System.Text.RegularExpressions 4.3.0 4.3.1
  • > System.Threading.Tasks.Extensions 4.3.0 4.5.4
  • > System.Xml.ReaderWriter 4.3.0 4.3.1
  • > Foo.Bar.Application 1.0.0 Not found at the sources
  • > Foo.Bar.Common 1.0.0 Not found at the sources
  • > Foo.Bar.Domain 1.0.0 Not found at the sources
  • ```
  • I have checked the list, but I cannot figure out how can I deduct which package is to blame for not using .NET 5.
  • Any idea about how to find out the culprit?
  • After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server.
  • However, when deployed on a server that had only .NET 5.0 installed, the application pool crashed and said (as a logged event) that .NET Core 3.1 is missing.
  • Clearly, some packages were not fully upgraded. The target framework is 5.0 for all projects and all `Microsoft.*` NuGet packages are using 5.* versions (e.g. EntityFramework).
  • I am wondering how can I find which packages (or other settings?) still require .NET 3.1.
  • I found [dotnet list package](https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-list-package) for listing all solution packages and tried the following:
  • ```
  • dotnet list Ubisoft.PtbNext.sln package --include-transitive --outdated --highest-minor
  • ```
  • which provided all packages, including the "transitive" ones:
  • ```
  • The following sources were used:
  • https://api.nuget.org/v3/index.json
  • https://artifactory.Foo.org/api/nuget/nuget/
  • C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\
  • Project `Foo.Bar.WebApi` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.AspNetCore.Mvc.NewtonsoftJson 5.0.5 5.0.5 5.0.6
  • > Microsoft.AspNetCore.SpaServices.Extensions 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Tools 5.0.5 5.0.5 5.0.6
  • > Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.Identity.Web 1.9.1 1.9.1 1.12.0
  • > NLog.Schema 4.7.9 4.7.9 4.7.10
  • > NLog.WindowsIdentity 4.7.9 4.7.9 4.7.10
  • > Swashbuckle.AspNetCore 6.1.3 6.1.3 6.1.4
  • Transitive Package Resolved Latest
  • > Azure.Core 1.4.1 1.14.0
  • > Azure.Identity 1.2.3 1.4.0
  • > FluentValidation 10.0.4 10.2.2
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.2.2
  • > Humanizer.Core 2.8.26 2.10.1
  • > Microsoft.AspNet.WebApi.Client 5.2.4 5.2.7
  • > Microsoft.AspNetCore.Authentication.JwtBearer 5.0.0 5.0.6
  • > Microsoft.AspNetCore.Authentication.OpenIdConnect 5.0.0 5.0.6
  • > Microsoft.AspNetCore.JsonPatch 5.0.5 5.0.6
  • > Microsoft.Bcl.AsyncInterfaces 1.0.0 1.1.1
  • > Microsoft.Data.SqlClient 2.0.1 2.1.3
  • > Microsoft.Data.SqlClient.SNI.runtime 2.0.1 2.1.1
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Design 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.InMemory 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Relational 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.SqlServer 5.0.5 5.0.6
  • > Microsoft.Extensions.ApiDescription.Server 3.0.0 3.1.15
  • > Microsoft.Extensions.Diagnostics.HealthChecks 5.0.5 5.0.6
  • > Microsoft.Extensions.Diagnostics.HealthChecks.Abstractions 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Identity.Client 4.29.0 4.31.0
  • > Microsoft.Identity.Client.Extensions.Msal 2.12.0 2.18.4
  • > Microsoft.IdentityModel.JsonWebTokens 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Logging 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Protocols 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Protocols.OpenIdConnect 6.10.1 6.11.1
  • > Microsoft.IdentityModel.Tokens 6.10.1 6.11.1
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > Microsoft.NETCore.Platforms 5.0.0 5.0.2
  • > Microsoft.NETCore.Targets 1.1.0 1.1.4
  • > NLog 4.7.9 4.7.10
  • > RabbitMQ.Client 5.0.1 5.2.0
  • > runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.native.System 4.3.0 4.3.1
  • > runtime.native.System.IO.Compression 4.3.0 4.3.2
  • > runtime.native.System.Net.Http 4.3.0 4.3.1
  • > runtime.native.System.Net.Security 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > Swashbuckle.AspNetCore.Swagger 6.1.3 6.1.4
  • > Swashbuckle.AspNetCore.SwaggerGen 6.1.3 6.1.4
  • > Swashbuckle.AspNetCore.SwaggerUI 6.1.3 6.1.4
  • > System.Buffers 4.5.0 4.5.1
  • > System.Console 4.3.0 4.3.1
  • > System.Drawing.Common 5.0.0 5.0.2
  • > System.IdentityModel.Tokens.Jwt 6.10.1 6.11.1
  • > System.IO.Pipelines 4.5.2 4.7.4
  • > System.Linq.Dynamic.Core 1.2.9 1.2.10
  • > System.Memory 4.5.3 4.5.4
  • > System.Net.Http 4.3.0 4.3.4
  • > System.Net.Primitives 4.3.0 4.3.1
  • > System.Net.Security 4.3.0 4.3.2
  • > System.Reflection.Emit.ILGeneration 4.3.0 4.7.0
  • > System.Reflection.Emit.Lightweight 4.3.0 4.7.0
  • > System.Reflection.TypeExtensions 4.3.0 4.7.0
  • > System.Runtime 4.3.0 4.3.1
  • > System.Runtime.CompilerServices.Unsafe 4.5.1 4.7.1
  • > System.Runtime.Extensions 4.3.0 4.3.1
  • > System.Security.Cryptography.Algorithms 4.3.0 4.3.1
  • > System.Security.Cryptography.Cng 4.5.0 4.7.0
  • > System.Security.Cryptography.OpenSsl 4.3.0 4.7.0
  • > System.Security.Cryptography.Pkcs 4.5.0 4.7.0
  • > System.Security.Cryptography.X509Certificates 4.3.0 4.3.2
  • > System.Security.Cryptography.Xml 4.5.0 4.7.0
  • > System.Text.Encoding.CodePages 4.7.0 4.7.1
  • > System.Text.RegularExpressions 4.3.0 4.3.1
  • > System.Threading.Tasks.Extensions 4.5.2 4.5.4
  • > System.Xml.ReaderWriter 4.3.0 4.3.1
  • > Foo.Bar.ODataNuget 1.0.0.19 1.0.0.23
  • Project `Foo.Bar.Application` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.0.4 10.2.2
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > System.Linq.Dynamic.Core 1.2.9 1.2.9 1.2.10
  • Transitive Package Resolved Latest
  • > FluentValidation 10.0.4 10.2.2
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > NLog 4.7.9 4.7.10
  • > System.Buffers 4.5.0 4.5.1
  • > System.Text.Encodings.Web 4.5.0 4.7.2
  • > Foo.Bar.Common 1.0.0 Not found at the sources
  • > Foo.Bar.Domain 1.0.0 Not found at the sources
  • Project `Foo.Bar.Domain` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.0.4 10.2.2
  • Transitive Package Resolved Latest
  • > FluentValidation 10.0.4 10.2.2
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > NLog 4.7.9 4.7.10
  • > System.Buffers 4.5.0 4.5.1
  • > System.Text.Encodings.Web 4.5.0 4.7.2
  • > Foo.Bar.Common 1.0.0 Not found at the sources
  • Project `Foo.Bar.Infrastructure` has the following updates to its packages
  • [net5.0]:
  • Top-level Package Requested Resolved Latest
  • > Microsoft.EntityFrameworkCore 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.InMemory 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.SqlServer 5.0.5 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Tools 5.0.5 5.0.5 5.0.6
  • > NLog 4.7.9 4.7.9 4.7.10
  • > Foo.Bar.ODataNuget 1.0.0.19 1.0.0.19 1.0.0.23
  • Transitive Package Resolved Latest
  • > FluentValidation 10.0.4 10.2.2
  • > FluentValidation.DependencyInjectionExtensions 10.0.4 10.2.2
  • > Humanizer.Core 2.8.26 2.10.1
  • > Microsoft.AspNet.WebApi.Client 5.2.4 5.2.7
  • > Microsoft.Data.SqlClient 2.0.1 2.1.3
  • > Microsoft.Data.SqlClient.SNI.runtime 2.0.1 2.1.1
  • > Microsoft.EntityFrameworkCore.Abstractions 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Analyzers 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Design 5.0.5 5.0.6
  • > Microsoft.EntityFrameworkCore.Relational 5.0.5 5.0.6
  • > Microsoft.Extensions.Primitives 5.0.0 5.0.1
  • > Microsoft.Identity.Client 4.14.0 4.31.0
  • > Microsoft.Net.Http.Headers 2.2.0 2.2.8
  • > Microsoft.NETCore.Platforms 5.0.0 5.0.2
  • > Microsoft.NETCore.Targets 1.1.3 1.1.4
  • > Newtonsoft.Json.Bson 1.0.1 1.0.2
  • > RabbitMQ.Client 5.0.1 5.2.0
  • > runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.native.System 4.3.0 4.3.1
  • > runtime.native.System.IO.Compression 4.3.0 4.3.2
  • > runtime.native.System.Net.Http 4.3.0 4.3.1
  • > runtime.native.System.Net.Security 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple 4.3.0 4.3.1
  • > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl 4.3.0 4.3.3
  • > System.Buffers 4.5.0 4.5.1
  • > System.Console 4.3.0 4.3.1
  • > System.Drawing.Common 5.0.0 5.0.2
  • > System.IO.Pipelines 4.5.2 4.7.4
  • > System.Linq.Dynamic.Core 1.2.9 1.2.10
  • > System.Memory 4.5.1 4.5.4
  • > System.Net.Http 4.3.0 4.3.4
  • > System.Net.Primitives 4.3.0 4.3.1
  • > System.Net.Security 4.3.0 4.3.2
  • > System.Reflection.Emit.ILGeneration 4.3.0 4.7.0
  • > System.Reflection.Emit.Lightweight 4.3.0 4.7.0
  • > System.Reflection.TypeExtensions 4.3.0 4.7.0
  • > System.Runtime 4.3.0 4.3.1
  • > System.Runtime.CompilerServices.Unsafe 4.5.1 4.7.1
  • > System.Runtime.Extensions 4.3.0 4.3.1
  • > System.Security.Cryptography.Algorithms 4.3.0 4.3.1
  • > System.Security.Cryptography.Cng 4.5.0 4.7.0
  • > System.Security.Cryptography.OpenSsl 4.3.0 4.7.0
  • > System.Security.Cryptography.Pkcs 4.5.0 4.7.0
  • > System.Security.Cryptography.X509Certificates 4.3.0 4.3.2
  • > System.Security.Cryptography.Xml 4.5.0 4.7.0
  • > System.Text.Encoding.CodePages 4.7.0 4.7.1
  • > System.Text.Encodings.Web 4.5.0 4.7.2
  • > System.Text.RegularExpressions 4.3.0 4.3.1
  • > System.Threading.Tasks.Extensions 4.3.0 4.5.4
  • > System.Xml.ReaderWriter 4.3.0 4.3.1
  • > Foo.Bar.Application 1.0.0 Not found at the sources
  • > Foo.Bar.Common 1.0.0 Not found at the sources
  • > Foo.Bar.Domain 1.0.0 Not found at the sources
  • ```
  • I have checked the list, but I cannot figure out how can I deduct which package is to blame for not using .NET 5.
  • Any idea about how to find out the culprit?
#1: Initial revision by user avatar Alexei‭ · 2021-06-09T14:38:25Z (over 3 years ago)
How to find out which packages target .NET 3.1 in a .NET 5 application?
After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server.

However, when deployed on a server that had only .NET 5.0 installed, the application pool crashed and said (as a logged event) that .NET Core 3.1 is missing.

Clearly, some packages were not fully upgraded. The target framework is 5.0 for all projects and all `Microsoft.*` NuGet packages are using 5.* versions (e.g. EntityFramework).

I am wondering how can I find which packages (or other settings?) still require .NET 3.1.

I found [dotnet list package](https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-list-package) for listing all solution packages and tried the following:

```
dotnet list Ubisoft.PtbNext.sln package --include-transitive --outdated --highest-minor
```

which provided all packages, including the "transitive" ones:

```
The following sources were used:
   https://api.nuget.org/v3/index.json
   https://artifactory.Foo.org/api/nuget/nuget/
   \\buc-srv-tfs02\3S Nuget Repository\official
   C:\Program Files (x86)\Microsoft SDKs\NuGetPackages\

Project `Foo.Bar.WebApi` has the following updates to its packages
   [net5.0]: 
   Top-level Package                                                        Requested   Resolved   Latest
   > Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore                   5.0.5       5.0.5      5.0.6 
   > Microsoft.AspNetCore.Mvc.NewtonsoftJson                                5.0.5       5.0.5      5.0.6 
   > Microsoft.AspNetCore.SpaServices.Extensions                            5.0.5       5.0.5      5.0.6 
   > Microsoft.EntityFrameworkCore                                          5.0.5       5.0.5      5.0.6 
   > Microsoft.EntityFrameworkCore.Tools                                    5.0.5       5.0.5      5.0.6 
   > Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore      5.0.5       5.0.5      5.0.6 
   > Microsoft.Identity.Web                                                 1.9.1       1.9.1      1.12.0
   > NLog.Schema                                                            4.7.9       4.7.9      4.7.10
   > NLog.WindowsIdentity                                                   4.7.9       4.7.9      4.7.10
   > Swashbuckle.AspNetCore                                                 6.1.3       6.1.3      6.1.4 

   Transitive Package                                                                   Resolved   Latest                  
   > Azure.Core                                                                         1.4.1      1.14.0                  
   > Azure.Identity                                                                     1.2.3      1.4.0                   
   > FluentValidation                                                                   10.0.4     10.2.2                  
   > FluentValidation.DependencyInjectionExtensions                                     10.0.4     10.2.2                  
   > Humanizer.Core                                                                     2.8.26     2.10.1                  
   > Microsoft.AspNet.WebApi.Client                                                     5.2.4      5.2.7                   
   > Microsoft.AspNetCore.Authentication.JwtBearer                                      5.0.0      5.0.6                   
   > Microsoft.AspNetCore.Authentication.OpenIdConnect                                  5.0.0      5.0.6                   
   > Microsoft.AspNetCore.JsonPatch                                                     5.0.5      5.0.6                   
   > Microsoft.Bcl.AsyncInterfaces                                                      1.0.0      1.1.1                   
   > Microsoft.Data.SqlClient                                                           2.0.1      2.1.3                   
   > Microsoft.Data.SqlClient.SNI.runtime                                               2.0.1      2.1.1                   
   > Microsoft.EntityFrameworkCore.Abstractions                                         5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Analyzers                                            5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Design                                               5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.InMemory                                             5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Relational                                           5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.SqlServer                                            5.0.5      5.0.6                   
   > Microsoft.Extensions.ApiDescription.Server                                         3.0.0      3.1.15                  
   > Microsoft.Extensions.Diagnostics.HealthChecks                                      5.0.5      5.0.6                   
   > Microsoft.Extensions.Diagnostics.HealthChecks.Abstractions                         5.0.5      5.0.6                   
   > Microsoft.Extensions.Primitives                                                    5.0.0      5.0.1                   
   > Microsoft.Identity.Client                                                          4.29.0     4.31.0                  
   > Microsoft.Identity.Client.Extensions.Msal                                          2.12.0     2.18.4                  
   > Microsoft.IdentityModel.JsonWebTokens                                              6.10.1     6.11.1                  
   > Microsoft.IdentityModel.Logging                                                    6.10.1     6.11.1                  
   > Microsoft.IdentityModel.Protocols                                                  6.10.1     6.11.1                  
   > Microsoft.IdentityModel.Protocols.OpenIdConnect                                    6.10.1     6.11.1                  
   > Microsoft.IdentityModel.Tokens                                                     6.10.1     6.11.1                  
   > Microsoft.Net.Http.Headers                                                         2.2.0      2.2.8                   
   > Microsoft.NETCore.Platforms                                                        5.0.0      5.0.2                   
   > Microsoft.NETCore.Targets                                                          1.1.0      1.1.4                   
   > NLog                                                                               4.7.9      4.7.10                  
   > RabbitMQ.Client                                                                    5.0.1      5.2.0                   
   > runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl           4.3.0      4.3.3                   
   > runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl          4.3.0      4.3.3                   
   > runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl          4.3.0      4.3.3                   
   > runtime.native.System                                                              4.3.0      4.3.1                   
   > runtime.native.System.IO.Compression                                               4.3.0      4.3.2                   
   > runtime.native.System.Net.Http                                                     4.3.0      4.3.1                   
   > runtime.native.System.Net.Security                                                 4.3.0      4.3.1                   
   > runtime.native.System.Security.Cryptography.Apple                                  4.3.0      4.3.1                   
   > runtime.native.System.Security.Cryptography.OpenSsl                                4.3.0      4.3.3                   
   > runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl      4.3.0      4.3.3                   
   > runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl      4.3.0      4.3.3                   
   > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple            4.3.0      4.3.1                   
   > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl          4.3.0      4.3.3                   
   > runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl             4.3.0      4.3.3                   
   > runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl       4.3.0      4.3.3                   
   > runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl       4.3.0      4.3.3                   
   > runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl       4.3.0      4.3.3                   
   > Swashbuckle.AspNetCore.Swagger                                                     6.1.3      6.1.4                   
   > Swashbuckle.AspNetCore.SwaggerGen                                                  6.1.3      6.1.4                   
   > Swashbuckle.AspNetCore.SwaggerUI                                                   6.1.3      6.1.4                   
   > System.Buffers                                                                     4.5.0      4.5.1                   
   > System.Console                                                                     4.3.0      4.3.1                   
   > System.Drawing.Common                                                              5.0.0      5.0.2                   
   > System.IdentityModel.Tokens.Jwt                                                    6.10.1     6.11.1                  
   > System.IO.Pipelines                                                                4.5.2      4.7.4                   
   > System.Linq.Dynamic.Core                                                           1.2.9      1.2.10                  
   > System.Memory                                                                      4.5.3      4.5.4                   
   > System.Net.Http                                                                    4.3.0      4.3.4                   
   > System.Net.Primitives                                                              4.3.0      4.3.1                   
   > System.Net.Security                                                                4.3.0      4.3.2                   
   > System.Reflection.Emit.ILGeneration                                                4.3.0      4.7.0                   
   > System.Reflection.Emit.Lightweight                                                 4.3.0      4.7.0                   
   > System.Reflection.TypeExtensions                                                   4.3.0      4.7.0                   
   > System.Runtime                                                                     4.3.0      4.3.1                   
   > System.Runtime.CompilerServices.Unsafe                                             4.5.1      4.7.1                   
   > System.Runtime.Extensions                                                          4.3.0      4.3.1                   
   > System.Security.Cryptography.Algorithms                                            4.3.0      4.3.1                   
   > System.Security.Cryptography.Cng                                                   4.5.0      4.7.0                   
   > System.Security.Cryptography.OpenSsl                                               4.3.0      4.7.0                   
   > System.Security.Cryptography.Pkcs                                                  4.5.0      4.7.0                   
   > System.Security.Cryptography.X509Certificates                                      4.3.0      4.3.2                   
   > System.Security.Cryptography.Xml                                                   4.5.0      4.7.0                   
   > System.Text.Encoding.CodePages                                                     4.7.0      4.7.1                   
   > System.Text.RegularExpressions                                                     4.3.0      4.3.1                   
   > System.Threading.Tasks.Extensions                                                  4.5.2      4.5.4                   
   > System.Xml.ReaderWriter                                                            4.3.0      4.3.1                   
   > Foo.Bar.ODataNuget                                                           1.0.0.19   1.0.0.23                

Project `Foo.Bar.Application` has the following updates to its packages
   [net5.0]: 
   Top-level Package                                     Requested   Resolved   Latest
   > FluentValidation.DependencyInjectionExtensions      10.0.4      10.0.4     10.2.2
   > Microsoft.EntityFrameworkCore                       5.0.5       5.0.5      5.0.6 
   > System.Linq.Dynamic.Core                            1.2.9       1.2.9      1.2.10

   Transitive Package                                Resolved   Latest                  
   > FluentValidation                                10.0.4     10.2.2                  
   > Microsoft.EntityFrameworkCore.Abstractions      5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Analyzers         5.0.5      5.0.6                   
   > Microsoft.Extensions.Primitives                 5.0.0      5.0.1                   
   > Microsoft.Net.Http.Headers                      2.2.0      2.2.8                   
   > NLog                                            4.7.9      4.7.10                  
   > System.Buffers                                  4.5.0      4.5.1                   
   > System.Text.Encodings.Web                       4.5.0      4.7.2                   
   > Foo.Bar.Common                          1.0.0      Not found at the sources
   > Foo.Bar.Domain                          1.0.0      Not found at the sources

Project `Foo.Bar.Domain` has the following updates to its packages
   [net5.0]: 
   Top-level Package                                     Requested   Resolved   Latest
   > FluentValidation.DependencyInjectionExtensions      10.0.4      10.0.4     10.2.2

   Transitive Package                                Resolved   Latest                  
   > FluentValidation                                10.0.4     10.2.2                  
   > Microsoft.EntityFrameworkCore                   5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Abstractions      5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Analyzers         5.0.5      5.0.6                   
   > Microsoft.Extensions.Primitives                 5.0.0      5.0.1                   
   > Microsoft.Net.Http.Headers                      2.2.0      2.2.8                   
   > NLog                                            4.7.9      4.7.10                  
   > System.Buffers                                  4.5.0      4.5.1                   
   > System.Text.Encodings.Web                       4.5.0      4.7.2                   
   > Foo.Bar.Common                          1.0.0      Not found at the sources

Project `Foo.Bar.Infrastructure` has the following updates to its packages
   [net5.0]: 
   Top-level Package                              Requested   Resolved   Latest  
   > Microsoft.EntityFrameworkCore                5.0.5       5.0.5      5.0.6   
   > Microsoft.EntityFrameworkCore.InMemory       5.0.5       5.0.5      5.0.6   
   > Microsoft.EntityFrameworkCore.SqlServer      5.0.5       5.0.5      5.0.6   
   > Microsoft.EntityFrameworkCore.Tools          5.0.5       5.0.5      5.0.6   
   > NLog                                         4.7.9       4.7.9      4.7.10  
   > Foo.Bar.ODataNuget                     1.0.0.19    1.0.0.19   1.0.0.23

   Transitive Package                                                                   Resolved   Latest                  
   > FluentValidation                                                                   10.0.4     10.2.2                  
   > FluentValidation.DependencyInjectionExtensions                                     10.0.4     10.2.2                  
   > Humanizer.Core                                                                     2.8.26     2.10.1                  
   > Microsoft.AspNet.WebApi.Client                                                     5.2.4      5.2.7                   
   > Microsoft.Data.SqlClient                                                           2.0.1      2.1.3                   
   > Microsoft.Data.SqlClient.SNI.runtime                                               2.0.1      2.1.1                   
   > Microsoft.EntityFrameworkCore.Abstractions                                         5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Analyzers                                            5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Design                                               5.0.5      5.0.6                   
   > Microsoft.EntityFrameworkCore.Relational                                           5.0.5      5.0.6                   
   > Microsoft.Extensions.Primitives                                                    5.0.0      5.0.1                   
   > Microsoft.Identity.Client                                                          4.14.0     4.31.0                  
   > Microsoft.Net.Http.Headers                                                         2.2.0      2.2.8                   
   > Microsoft.NETCore.Platforms                                                        5.0.0      5.0.2                   
   > Microsoft.NETCore.Targets                                                          1.1.3      1.1.4                   
   > Newtonsoft.Json.Bson                                                               1.0.1      1.0.2                   
   > RabbitMQ.Client                                                                    5.0.1      5.2.0                   
   > runtime.debian.8-x64.runtime.native.System.Security.Cryptography.OpenSsl           4.3.0      4.3.3                   
   > runtime.fedora.23-x64.runtime.native.System.Security.Cryptography.OpenSsl          4.3.0      4.3.3                   
   > runtime.fedora.24-x64.runtime.native.System.Security.Cryptography.OpenSsl          4.3.0      4.3.3                   
   > runtime.native.System                                                              4.3.0      4.3.1                   
   > runtime.native.System.IO.Compression                                               4.3.0      4.3.2                   
   > runtime.native.System.Net.Http                                                     4.3.0      4.3.1                   
   > runtime.native.System.Net.Security                                                 4.3.0      4.3.1                   
   > runtime.native.System.Security.Cryptography.Apple                                  4.3.0      4.3.1                   
   > runtime.native.System.Security.Cryptography.OpenSsl                                4.3.0      4.3.3                   
   > runtime.opensuse.13.2-x64.runtime.native.System.Security.Cryptography.OpenSsl      4.3.0      4.3.3                   
   > runtime.opensuse.42.1-x64.runtime.native.System.Security.Cryptography.OpenSsl      4.3.0      4.3.3                   
   > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.Apple            4.3.0      4.3.1                   
   > runtime.osx.10.10-x64.runtime.native.System.Security.Cryptography.OpenSsl          4.3.0      4.3.3                   
   > runtime.rhel.7-x64.runtime.native.System.Security.Cryptography.OpenSsl             4.3.0      4.3.3                   
   > runtime.ubuntu.14.04-x64.runtime.native.System.Security.Cryptography.OpenSsl       4.3.0      4.3.3                   
   > runtime.ubuntu.16.04-x64.runtime.native.System.Security.Cryptography.OpenSsl       4.3.0      4.3.3                   
   > runtime.ubuntu.16.10-x64.runtime.native.System.Security.Cryptography.OpenSsl       4.3.0      4.3.3                   
   > System.Buffers                                                                     4.5.0      4.5.1                   
   > System.Console                                                                     4.3.0      4.3.1                   
   > System.Drawing.Common                                                              5.0.0      5.0.2                   
   > System.IO.Pipelines                                                                4.5.2      4.7.4                   
   > System.Linq.Dynamic.Core                                                           1.2.9      1.2.10                  
   > System.Memory                                                                      4.5.1      4.5.4                   
   > System.Net.Http                                                                    4.3.0      4.3.4                   
   > System.Net.Primitives                                                              4.3.0      4.3.1                   
   > System.Net.Security                                                                4.3.0      4.3.2                   
   > System.Reflection.Emit.ILGeneration                                                4.3.0      4.7.0                   
   > System.Reflection.Emit.Lightweight                                                 4.3.0      4.7.0                   
   > System.Reflection.TypeExtensions                                                   4.3.0      4.7.0                   
   > System.Runtime                                                                     4.3.0      4.3.1                   
   > System.Runtime.CompilerServices.Unsafe                                             4.5.1      4.7.1                   
   > System.Runtime.Extensions                                                          4.3.0      4.3.1                   
   > System.Security.Cryptography.Algorithms                                            4.3.0      4.3.1                   
   > System.Security.Cryptography.Cng                                                   4.5.0      4.7.0                   
   > System.Security.Cryptography.OpenSsl                                               4.3.0      4.7.0                   
   > System.Security.Cryptography.Pkcs                                                  4.5.0      4.7.0                   
   > System.Security.Cryptography.X509Certificates                                      4.3.0      4.3.2                   
   > System.Security.Cryptography.Xml                                                   4.5.0      4.7.0                   
   > System.Text.Encoding.CodePages                                                     4.7.0      4.7.1                   
   > System.Text.Encodings.Web                                                          4.5.0      4.7.2                   
   > System.Text.RegularExpressions                                                     4.3.0      4.3.1                   
   > System.Threading.Tasks.Extensions                                                  4.3.0      4.5.4                   
   > System.Xml.ReaderWriter                                                            4.3.0      4.3.1                   
   > Foo.Bar.Application                                                        1.0.0      Not found at the sources
   > Foo.Bar.Common                                                             1.0.0      Not found at the sources
   > Foo.Bar.Domain                                                             1.0.0      Not found at the sources

    

``` 

I have checked the list, but I cannot figure out how can I deduct which package is to blame for not using .NET 5.

Any idea about how to find out the culprit?