Firefox not rendering Roadmap Planner Macro text

The issue

Firefox is not rendering Roadmap Planner macro text

Steps to Reproduce

Just insert a Roadmap Planner macro on a page, it also happens if you use the Include Pages Macro and display a page with a roadmap planner macro.

Workaround

For now, the only workaround is to use Google Chrome, as displayed on the macro itself where it states:

Firefox Issues

Confluence's Roadmap Planner widget does not display properly within Firefox. As of 06 Feb 2018, this issue has been reported but not resolved. Your workaround is to view this page using Google Chrome.