Hi,
NAV 2013 Deprecated Applications Features : Production Schedule (Gantt Chart).
What's New: Application Changes for Microsoft Dynamics NAV 2013
msdn.microsoft.com/.../hh173994(v=nav.70).aspx
Deprecated Applications Features : Production Schedule (Gantt Chart), Microsoft Dynamics Mobile, Microsoft Dynamics NAV Employee Portal ...
In certain instances, a replacement technology is provided,
Gantt: Microsoft is saying that function is there in feature list.
From NAV Team Blog
"Item Availability by Timeline" in 2013 page 5530.
blogs.msdn.com/.../timeline-visualization-in-microsoft-dynamics-nav-2013.aspx
you can post questions here.
They did release it from NAV 2009 R2 but as separate objects and you have to implement the latest hotfix to compile the objects.
Addons
PlannerOne Production scheduler for NAV 2013 propose Gantt chart and much more...
Visual production scheduling add-in for the role-tailored versions.
It is completely integrated as page into Dynamics NAV. You can have a look here:
...