The controls, left to right

The toolbar in reading order: zoom in, zoom out, scroll to today · collapse rows, expand rows · toggle resource load, show unscheduled items in sidebar, refresh data, show dependencies.
Show Dependencies appears only when the board is configured with a dependency link role.
On a board with no role in Dependency Roles, that control — and the Add Link handle on the cards — is simply absent.
See Link Task Dependencies.
Turning the dependency arrows off again
While the arrows are drawn, a helper item labelled Click here to hide dependencies appears in the toolbar next to Show Dependencies. Clicking it clears the overlay. Any action that redraws the timeline also clears the arrows — zooming, Scroll to today, Collapse rows, Expand rows, Toggle Resource Load visualization, Show unscheduled items in sidebar and Refresh data all remove the overlay. Click Show Dependencies again to draw it back. Arrows are drawn only between two tasks that are both scheduled and both inside the visible timeline window. A dependency whose other end sits in the Unplanned sidebar, or outside the window, has nothing to draw between.There is no Save control
The toolbar has no Save button, and it does not need one: every change is written back to Polarion the moment you finish the gesture. That covers all of the board’s editing actions:- dragging a bar to new dates,
- dropping an item from the Unplanned sidebar onto a swimlane,
- unplanning an item with the Unplan item handle,
- creating a work item on the timeline,
- adding or removing a dependency with the Add Link handle.
Which controls are inactive in the flat view
Turning Toggle Resource Load visualization off puts the board into the flat view: one row per resource, no expandable swimlane sections and no per-day load markers. In that layout, two controls are greyed out because they have nothing to act on:
Everything else — zoom, Scroll to today, the sidebar toggle, Refresh data, Show Dependencies and Help — works the same in both layouts.
Turn the resource-load visualization back on to get the swimlanes, the load markers and those two controls back.
See Also
- Navigate the Timeline — these controls in a working sequence
- Board and Timeline — the two layouts and the timeline window
- Link Task Dependencies — creating the links the arrows draw
- Filter the Unplanned Sidebar — what the sidebar toggle reveals
- Widget Parameters — the settings behind the controls, including Dependency Roles