This is Clarissa from the Confluence team. I am currently working on resolving this problem so rest assured, this is an extremely high priority issue for us. So sorry for the inconvenience, it's proven a difficult issue to nail down. I hope to get a fix out soon as well.
We have a temp solution on this issue. Please reply here or your original support ticket if you have this issue, we will help you to test the new deployment. Thanks a lot for all your support and patience.
Jira Issue Macro doesn't show custom fields intermittently
Steps to Reproduce
only happens in customer instance, can't reproduce in test instance yet.
Custom fields should be displayed correctly.
Custom fields don't populate those data intermittently.
Performing content reindexing for the site and then refreshing the application links shows the data back.