Progress line not shown in guntt chart (ver. 2.4.3) - Redmine

Progress line not shown in guntt chart (ver. 2.4.3)

Added by r kuwa about 11 years ago

I want to show this progless line.

[2.3.0 (2013-03-19)] Release note
Feature #12122 Gantt progress lines (html only)
http://www.redmine.org/issues/12122

But I cannot find "Option" check box in my guntt chart page.
How to config this?
(using ver. 2.4.3)