Issues with the new Jira integration

I was really excited to see the new, built-in integration with Jira. I’ve set this up for a few Asana projects, but every time I try and create a new Jira issue from an Asana task, I receive the following error:

This issue has required fields that are not supported. Try a different one or create the issue from Jira.

It would be really helpful to know exactly which Jira fields are sousing the issue. Please can someone at Asana provide a list of fields that are supported?

Anyone? Maybe I’ve posted this in the wrong section?