DevPlanner allows navigating from plan entry to category of its task and vice versa: from a task to recent plan entry.
To locate plan entry of selected task, click "Locate schedule" from the menu Item or Ctrl+J. If plan entry exists it will be selected immediately.
To display category of selected plan entry, click "Locate category" from the menu Item or Ctrl+K. If category was not selected change filtering to "All tasks".
See also
Moving plan entries | Searching for items