.Net 5 Publish Single File - Produces exe and dlls

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I am using VS 2019 and .Net 5 to build a simple console application. I wanted to share this app with a friend so I tried to publish it as a single file but I keep getting some extra DLLs that the executable needs to run correctly.

Edit: Switching this project to .net core 3.1 works as expected I am able to export a single Exe file without any required DLLs.

Dotnet Cli: dotnet publish -c Release -o publish -p:PublishReadyToRun=true -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true

Csproj:

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net5.0</TargetFramework>
    <PublishSingleFile>true</PublishSingleFile>
    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
    <PlatformTarget>x64</PlatformTarget>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="HtmlAgilityPack" Version="1.11.28" />
  </ItemGroup>
</Project>

Output

.net-5 .net-core c#
1 Answers

Its known issue that described here: https://github.com/dotnet/runtime/issues/36590

And new dev experience provided here: https://github.com/dotnet/designs/blob/main/accepted/2020/single-file/design.md#user-experience

So in your case you need use p:IncludeNativeLibrariesForSelfExtract=true additionaly.

Full command:

dotnet publish -c Release -o publish -p:PublishReadyToRun=true -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true -p:IncludeNativeLibrariesForSelfExtract=true

or include this flag in .csproj file

<PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net5.0</TargetFramework>
    <PublishSingleFile>true</PublishSingleFile>
    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
    <PlatformTarget>x64</PlatformTarget>
    
   <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>

</PropertyGroup>
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