'MvcCoreMvcBuilderExtensions.SetCompatibilityVersion(IMvcBuilder, CompatibilityVersion)' is obsolete: 'This API is obsolete and will be removed in a future version. Consider removing usages.' (https://aka.ms/aspnetcore-warnings/ASP5001)

'CompatibilityVersion.Version_2_2' is obsolete: 'This CompatibilityVersion value is obsolete.'

'CompatibilityVersion' is obsolete: 'This API is obsolete and will be removed in a future version. Consider removing usages.' (https://aka.ms/aspnetcore-warnings/ASP5001)

'IHostingEnvironment' is obsolete: 'This type is obsolete and will be removed in a future version. The recommended alternative is Microsoft.AspNetCore.Hosting.IWebHostEnvironment.'

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Unreachable code detected

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Unreachable code detected