The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

For projects targeting .NET 8.0 and higher, specifying a RuntimeIdentifier will no longer produce a self contained app by default. To continue building self-contained apps, set the SelfContained property to true or use the --self-contained argument.

'MqttServerTlsTcpEndpointOptions.Certificate' is obsolete: 'Please use CertificateProvider with 'BlobCertificateProvider' instead.'

'MqttServerTlsTcpEndpointOptions.Certificate' is obsolete: 'Please use CertificateProvider with 'BlobCertificateProvider' instead.'

'MqttServerTlsTcpEndpointOptions.CertificateCredentials' is obsolete: 'Please use CertificateProvider with 'BlobCertificateProvider' including password property instead.'

'MqttClientDisconnectedEventArgs.ReasonCode' is obsolete: 'Please use 'Reason' instead. This property will be removed in the future!'

'MqttNetGlobalLogger' is obsolete: 'Please pass an instance of the IMqttNetLogger to the factory/server or client. The global logger will be deleted in the future.'

'MqttNetGlobalLogger' is obsolete: 'Please pass an instance of the IMqttNetLogger to the factory/server or client. The global logger will be deleted in the future.'

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.

Possible null reference return.