If i revert to 2024 Q1 the error disappears...
2024-05-16 19:54:03,530 [ERROR] Unhandled exception in circuit 'S77usknbj_EFjppCUa4yC1LlVuSlrA3J5HkaJib6jRs'.
Microsoft.JSInterop.JSException: Could not find 'TelerikBlazor.initListView' ('initListView' was undefined).
Error: Could not find 'TelerikBlazor.initListView' ('initListView' was undefined).
at http://localhost:5242/_framework/blazor.server.js:1:734
at Array.forEach (<anonymous>)
at l.findFunction (http://localhost:5242/_framework/blazor.server.js:1:702)
at _ (http://localhost:5242/_framework/blazor.server.js:1:5445)
at http://localhost:5242/_framework/blazor.server.js:1:3238
at new Promise (<anonymous>)
at y.beginInvokeJSFromDotNet (http://localhost:5242/_framework/blazor.server.js:1:3201)
at Xt._invokeClientMethod (http://localhost:5242/_framework/blazor.server.js:1:61001)
at Xt._processIncomingData (http://localhost:5242/_framework/blazor.server.js:1:58476)
at Xt.connection.onreceive (http://localhost:5242/_framework/blazor.server.js:1:52117)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
at Telerik.Blazor.Components.TelerikListView`1.InitListView()
at Telerik.Blazor.Components.TelerikListView`1.OnAfterRenderAsync(Boolean firstRender)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle, ComponentState owningComponentState)
2024-05-16 19:54:03,838 [WARN ] Unhandled exception rendering component: JavaScript interop calls cannot be issued at this time. This is because the circuit has disconnected and is being disposed.
Microsoft.JSInterop.JSDisconnectedException: JavaScript interop calls cannot be issued at this time. This is because the circuit has disconnected and is being disposed.
at Microsoft.AspNetCore.Components.Server.Circuits.RemoteJSRuntime.BeginInvokeJS(Int64 asyncHandle, String identifier, String argsJson, JSCallResultType resultType, Int64 targetInstanceId)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, CancellationToken cancellationToken, Object[] args)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
at Telerik.Blazor.Components.TelerikTextArea.SetJsValueAsync()
at Telerik.Blazor.Components.Common.TextBoxBase.OnAfterRenderInternalAsync(Boolean firstRender)
at Telerik.Blazor.Components.Common.TextBoxBase.OnAfterRenderAsync(Boolean firstRender)
at Telerik.Blazor.Components.TelerikTextArea.OnAfterRenderAsync(Boolean firstRender)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle, ComponentState owningComponentState)