Non-nullable property 'Message' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

The variable 'ex' is declared but never used

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'connectionCtx' in 'Task H3Client.ReadAsync(ConnectionContext connectionCtx, QuicStream clientStream, bool incoming, CancellationToken token)'.

Dereference of a possibly null reference.

The event 'H3Client.OnFrame' is never used

'X509Certificate2.X509Certificate2(string, string?)' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

'X509Certificate2.X509Certificate2(string, string?)' is obsolete: 'Loading certificate data through the constructor or Import is obsolete. Use X509CertificateLoader instead to load certificates.' (https://aka.ms/dotnet-warnings/SYSLIB0057)

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.