.NET 6
The target framework have been updated to .NET 6.
This means that Azure Functions Host version 3 is no longer supported.
Getting Started 
Architecture 
Service Platform 
NServiceBus 
Transports 
Persistence 
Hosting 
ServiceInsight 
ServicePulse 
ServiceControl 
Monitoring 
Modernization 
Shape the future 
Samples Azure Functions (Isolated Worker) Upgrade Version 2 to 3
Component: NServiceBus.AzureFunctions.Worker.ServiceBus