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NuGet Warning NU5048

  • Artikel

The 'PackageIconUrl'/'iconUrl' element is deprecated. Consider using the 'PackageIcon'/'icon' element instead. Learn more at https://aka.ms/deprecateIconUrl

Issue

Icon URL is deprecated in favor of embedding the icon inside the NuGet package. Possible causes are:

  • When creating a package from a nuspec file, it contains a <iconUrl/> entry.
  • When creating a package from a MSBuild project file, it contains a <PackageIconUrl> property.

Solution

To stop seeing this warning, add an embedded icon to your package.

For MSBuild project files, add an <PackageIcon/> property, as follows:

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
      ...
      <PackageIcon>icon.png</PackageIcon>
      ...
  </PropertyGroup>

  <ItemGroup>
      ...
      <None Include="images\icon.png" Pack="true" PackagePath=""/>
      ...
  </ItemGroup>
</Project>

For nuspec files, add an <icon/> entry that points to the file that will be the package icon:

<package>
  <metadata>
    ...
    <icon>images\icon.png</icon>
    ...
  </metadata>
  <files>
    ...
    <file src="..\icon.png" target="images\" />
    ...
  </files>
</package>

Learn more about packaging an icon image file.