What’s New > Windchill > 11.2.0.0 > End User > Windchill ProjectLink: Timeline Feature Removed
  
Windchill ProjectLink: Timeline Feature Removed
Product: Windchill ProjectLink
Release: 11.2.0.0
Summary
The Timeline feature that provides a graphical depiction of plan objects, is not supported anymore in Windchill.
Additional Details
PTC recommends that customers use the Gantt Explorer feature in Windchill to view plans in place of Timeline. Gantt Explorer feature provides similar capabilities to those available in Timeline.
Related Information
For more information, see Gantt Explorer.