Upgrade to ASP.NET Core 3.1

I tried creating a brand new web app with asp.net core 3 and adding in Piranha, but it will not work. I believe it is the same issue as references here: https://github.com/aspnet/AspNetCore/issues/8254

During startup the app throws the exception below. Any idea when ASP.NET Core 3 will be supported?

Exception has occurred: CLR/System.TypeLoadException
An unhandled exception of type 'System.TypeLoadException' occurred in WebForm.dll: 'Could not load type 'Microsoft.AspNetCore.Mvc.MvcJsonOptions' from assembly 'Microsoft.AspNetCore.Mvc.Formatters.Json, Version=3.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'.'
   at ManagerModuleExtensions.AddPiranhaManagerOptions(IMvcBuilder builder)
   at WebForm.Startup.ConfigureServices(IServiceCollection services) in /media/data/CrossBound Technology/Clients/Portage/WebForm/WebForm/Startup.cs:line 24
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.InvokeCore(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass9_0.<Invoke>g__Startup|0(IServiceCollection serviceCollection)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.Invoke(Object instance, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.ConfigureServicesBuilder.<>c__DisplayClass8_0.<Build>b__0(IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.GenericWebHostBuilder.UseStartup(Type startupType, HostBuilderContext context, IServiceCollection services)
   at Microsoft.AspNetCore.Hosting.GenericWebHostBuilder.<>c__DisplayClass12_0.<UseStartup>b__0(HostBuilderContext context, IServiceCollection services)
   at Microsoft.Extensions.Hosting.HostBuilder.CreateServiceProvider()
   at Microsoft.Extensions.Hosting.HostBuilder.Build()
   at WebForm.Program.Main(String[] args) in /media/data/CrossBound Technology/Clients/Portage/WebForm/WebForm/Program.cs:line 10

[tidyui]

Hi there. There are several issues with running Piranha in .NET Core 3. First off, like you noticed, you have to replace the new JSON serializer with Newtonsoft as the new serializer can’t serialize/deserialize abstract classes. Secondly there’s a difference in how the change tracker of Entity Framework Core 3 works which breaks the application.

We have a separate branch where we’re almost done with the 3.0 upgrade but it’s decided when it will be released as it’s not backwards compatible.

Regards

[tidyui]

Hi @rengert 8.0 will be released in the next day or two. We’re just finalizing some things