I've been running .NET Core 3.1 on Ubuntu for a while with Radzen, and upgraded to .NET 5.0
It's working 100% on my Windows development machine.
It's somewhat running on Ubuntu, but Radzen controls aren't showing up properly and are crashing.
Blazor is working on the first page, click Next, and it shows weird. Click on State or Country dropdown lists and you'll get a crash.
The log shows this
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle)
at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
at Radzen.DropDownBase`1.OpenPopup(String key, Boolean isFilter, Boolean isFromClick)
at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
at e.invokeClientMethod (https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:26273)
at Array.forEach ()
at https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:26303
at e.beginInvokeJSFromDotNet (https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:70021)
at new Promise ()
at https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:70048
at v (https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:69102)
at e.findFunction (https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:67360)
at Array.forEach ()
at https://store.spiritualselftransformation.com/_framework/blazor.server.js:1:67400
Error: Could not find 'Radzen.selectListItem' ('selectListItem' was undefined).
Microsoft.JSInterop.JSException: Could not find 'Radzen.selectListItem' ('selectListItem' was undefined).
Unhandled exception in circuit 'FsFNWmK42U9pDUI4rksOcDfPwINekShXhUFE9PRJMZk'.
Looking at the HTML code-behind, the CSS is loaded in site.css
@import url(../_content/Radzen.Blazor/css/default.css);
The JS is also loading fine