Epic name with umlaut can not display correctly in JIRA issue macro

Issue Summary

The epic name value with Umlaute with the Epic issue cannot be displayed correctly.

Environment

• JIRA SoftWare 7.13.3
• Confluence 6.13.5

Steps to Reproduce

1. On JIRA, Create an Epic issue with epic name like "test ä test ö test ü"
2. Create a Bug issue like to the epic issue above.
3. On Confluence, Create a new page with a JIRA issue macro filter out the issues above and choose to show the epic name.
4. Save the page

Expected Results

The epic name field should show the normal umlaut characters for all issue type.

Actual Results

The umlaut character in the epic name is showing the XML encoded code for the epic issue type.

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available