Right now, the Gantt header settings clearly show the calendar dates of a project schedule. We'd like the ability to customize the headers to Month-1, M01, etc, for a project to share illustrative timelines without disclosing start dates, as those can vary dependent upon when a client officially signs a contract. For clarity, Month-1 would be the first month in which the project is executed, not the first month of the year.
Currently, primary & secondary headings are required. It would be beneficial for exporting these illustrative timelines to have the ability to only choose one heading.