Hi,
I am trying to use Razor Engine as a templating engine in a V2 function. I have it running locally, but not when deployed as a function. When selecting the function name from the portal, it gives "The function runtime is unable to start."

I've managed to strip everything down to a sample function with bare code and tried a lot of combinations with the basic initialization code, but not res

We had a customer trying to use this constructor of DisableAttribute with their Functions project. This constructor is (apparently) only supported when using the WebJobs SDK directly, and this should be noted in the /// <summary> content tag.

Repro steps

1. Read the documentation
   and note that I should configure the JobHostConfiguration class.

Expected behavior

The documentation should provide guidance on how to configure the HostBuilder because the JobHostConfiguration class is [deprecated](Azure/azure-webjobs-sdk#187

Observed that the error, warn, info and verbose are removed from the context when the context object is sanitized to remove the "done" function.

The _extends() function in the IncomingMessage file is removing these functions. Only the "log" function is available in the context object.

It would be nice if we could use these log level functions.

Context object before sanitized;
![image]

As a developer,
I would like the ability to optionally configure a retry policy when the triggered function fails,
so that a failed execution does not automatically advance the cursor.

This feature should work for all GA supported Azure Functions languages.

There is a similar issue for the Event Hub extension. The expectation is that the Event Hub and Kafka extension work in a similar mann