'Microsoft.VisualStudio.Web.CodeGeneration.Design' is incompatible with 'all' frameworks

[JohnKesko]

Hello!

Just tried out .NET 8 and tried to install, but doesn't seem to work:
Sitting on macOS.

dotnet add package Microsoft.VisualStudio.Web.CodeGeneration.Design

Determining projects to restore...
Writing /var/folders/8x/dd06szw1095dgzpn2xkz05_h0000gn/T/tmpIqoUY2.tmp
info : X.509 certificate chain validation will use the fallback certificate bundle at '/usr/local/share/dotnet/sdk/8.0.100/trustedroots/codesignctl.pem'.
info : X.509 certificate chain validation will use the fallback certificate bundle at '/usr/local/share/dotnet/sdk/8.0.100/trustedroots/timestampctl.pem'.
info : Adding PackageReference for package 'Microsoft.VisualStudio.Web.CodeGeneration.Design' into project '/Users/andreas/Development/_test/TodoApp/TodoApp.csproj'.
info : CACHE https://api.nuget.org/v3/registration5-gz-semver2/microsoft.visualstudio.web.codegeneration.design/index.json
info : CACHE https://api.nuget.org/v3/registration5-gz-semver2/microsoft.visualstudio.web.codegeneration.design/page/1.0.0-msbuild1-final/5.0.0-rc.1.20453.2.json
info : CACHE https://api.nuget.org/v3/registration5-gz-semver2/microsoft.visualstudio.web.codegeneration.design/page/5.0.0-rc.2.20473.1/8.0.0.json
info : Restoring packages for /Users/andreas/Development/_test/TodoApp/TodoApp.csproj...
info : GET https://api.nuget.org/v3-flatcontainer/microsoft.visualstudio.web.codegeneration.design/index.json
info : OK https://api.nuget.org/v3-flatcontainer/microsoft.visualstudio.web.codegeneration.design/index.json 265ms
error: NU1102: Unable to find package Microsoft.VisualStudio.Web.CodeGeneration.Design with version (>= 8.0.0)
error: - Found 117 version(s) in nuget.org [ Nearest version: 8.0.0-preview.5.23313.2 ]
error: - Found 0 version(s) in /usr/local/share/dotnet/library-packs
info : CACHE https://api.nuget.org/v3/vulnerabilities/index.json
info : CACHE https://api.nuget.org/v3/vulnerabilities/vulnerability.base.json
info : CACHE https://api.nuget.org/v3/vulnerabilities/vulnerability.update.json

error: Package 'Microsoft.VisualStudio.Web.CodeGeneration.Design' is incompatible with 'all' frameworks in project '/Users/andreas/Development/_test/TodoApp/TodoApp.csproj'.

---

<PropertyGroup>
  <Nullable>enable</Nullable>
  <ImplicitUsings>enable</ImplicitUsings>
  <TargetFramework>net8.0</TargetFramework>
</PropertyGroup>

<ItemGroup>
  <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.0">
    <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
    <PrivateAssets>all</PrivateAssets>
  </PackageReference>
  
  <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.0" />
  <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0">
    <PrivateAssets>all</PrivateAssets>
    <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
  </PackageReference>