_**Note:** This will become mandatory to implement from 15.1 with the work package <mention class="mention" data-id="42388" data-type="work_package" data-text="#42388">#42388</mention>._

## Acceptance criteria

Begin of the insertion##### General

End of the insertion * Begin of the insertionThere are only two scheduling modes.

* **Manual**: The user can freely setEnd of the insertion Begin of the deletion [ ] ImplementEnd of the deletion the Begin of the insertionstart and finish dates, but relations are ignored.

* **Automatic:** Automatically sets the start date based on a predecessor. The user can only set duration.

* This modeEnd of the insertion Begin of the deletion four identified cases in which this bannerEnd of the deletion is Begin of the insertionalso used for parents, whereEnd of the insertion Begin of the deletion displayed excludingEnd of the deletion the Begin of the insertionduration field is also inactive.

* Any time a user wantsEnd of the insertion Begin of the deletion buttonEnd of the deletion to Begin of the insertionmanually choose dates forEnd of the insertion Begin of the deletion see the relations inEnd of the deletion a Begin of the insertionwork package, they select manual scheduling.

End of the insertion Begin of the deletion Gantt chart:
End of the deletion * Begin of the insertionBy default,End of the insertion Begin of the deletion [ ] **Warning**: &quot;Manual scheduling enabled,End of the deletion all Begin of the insertionnewEnd of the insertion Begin of the deletion relations ignored.&quot;
(This is only visible when theEnd of the deletion work Begin of the insertionpackages will beEnd of the insertion Begin of the deletion package in question has relations; aEnd of the deletion manually Begin of the insertionscheduled.

* A new manually-scheduledEnd of the insertion Begin of the deletion scheduledEnd of the deletion work package Begin of the deletion with no relationsEnd of the deletion will Begin of the insertioneither have no dates, or take the current date (depending on existing settings).

End of the insertion Begin of the deletion not show this banner).
End of the deletion * Begin of the insertionEvery newly createdEnd of the insertion Begin of the deletion [ ] **Warning**: &quot;Changing these dates will affect dates of relatedEnd of the deletion work Begin of the insertionpackage will have no predecessor; they have to be added later.

End of the insertion Begin of the deletion packages.&quot;
End of the deletion * Begin of the insertionIf it&#39;s a new child work package, it will continue behaving as it does todayEnd of the insertion Begin of the deletion [ ] **Information**: &quot;Available startEnd of the deletion and Begin of the deletion finish dates are limitedEnd of the deletion by Begin of the insertiondefault take the parent&#39;s start date.

End of the insertion Begin of the deletion relations.&quot;
End of the deletion * Begin of the insertionFor automatic scheduling, a predecessor is required. If thereEnd of the insertion Begin of the deletion [ ] **Information**: &quot;Automatically scheduled. DatesEnd of the deletion are Begin of the insertionno predecessors:

End of the insertion Begin of the deletion derived from relations.&quot;
End of the deletion * Begin of the insertionthe top banner will show an error informing the userEnd of the insertion Begin of the deletion [ ] EnsureEnd of the deletion that Begin of the insertiona predecessor is required

* all fields will be disabled (non-working days, save action..)


##### **Migration from an earlier version**

* CheckEnd of the insertion Begin of the deletion each case hasEnd of the deletion the Begin of the insertionscheduling mode of all work packages to be able to display theirEnd of the insertion correct Begin of the insertiondates and mode (Manual or Automatic).


##### **Date picker**

* TheEnd of the insertion Begin of the deletion limits on theEnd of the deletion date Begin of the insertionpickerEnd of the insertion Begin of the deletion selections asEnd of the deletion in Begin of the insertionmobile will not have any predecessor, successor or children tab.

* The header ofEnd of the insertion the Begin of the insertionmodal is removedEnd of the insertion Begin of the deletion web-app. Use [this work package](https://community.openproject.org/projects/openproject/work_packages/42047/activity) as referenceEnd of the deletion to Begin of the insertiongive space toEnd of the insertion Begin of the deletion checkEnd of the deletion the Begin of the insertionbanners (specified bellow).

End of the insertion Begin of the deletion current implementation.
End of the deletion * Begin of the insertionThere is a new segmented button with label &quot;Scheduling mode&quot;

* Options: &quot;Manual&quot; and &quot;Automatic&quot;

* The &quot;Ignore non working days&quot; toggle is renamed to &quot;Working days only&quot; and activated by default in all new work packages.

* In **Manual** mode:

* The dates are freely selectable, without restrictions.

* Relations don&#39;t affect the start and finish dates.

* A manually scheduled work package can push and pull successorsEnd of the insertion Begin of the deletion [ ] ImplementEnd of the deletion that Begin of the insertionare automatically scheduled.

* AEnd of the insertion manual Begin of the insertionwork package can start before any of their predecessors.

* A manually scheduled work package will not push a predecessor toEnd of the insertion Begin of the deletion scheduling overrides allEnd of the deletion the Begin of the insertionpast when it&#39;s moved toEnd of the insertion Begin of the deletion limitations onEnd of the deletion the Begin of the insertionpast.

* In **Automatic** mode:

* The _Start date_ and _Finish date_ fields are read-only.

* Duration remains editable.

* The mini calendar goes into read-only mode.


##### **DateEnd of the insertion Begin of the deletion dateEnd of the deletion picker Begin of the insertionbanners:**End of the insertion Begin of the deletion so the user can select dates freely.End of the deletion

Begin of the insertion**Manual scheduling:**End of the insertion Begin of the deletion ## Work packages from web-app:End of the deletion

* Begin of the insertionColour: Warning yellow.End of the insertion Begin of the deletion Previous messages to implement: <mention class="mention" data-id="42047" data-type="work_package" data-text="#42047">#42047</mention>End of the deletion

* Begin of the insertionAction: No action in mobile.

* Text: **Manually scheduled. Dates not affected by relations.**End of the insertion Begin of the deletion As soon as possible: <mention class="mention" data-id="42388" data-type="work_package" data-text="#42388">#42388</mention>.End of the deletion


Begin of the insertion**Automatic:**

* Colour: Info blue.

* Action: No action in mobile.

* Text case 1: There is a predecessor.

* **The start date is set by a predecessor.**

* Text case 2: The work package is a parent.

* **The dates are determined by child work packages.**

* If a work package is both a parent and has predecessors, this &quot;parent&quot; message will be displayed.

* Text case 3: The work package has no predecessor or children:

* **To enable automatic scheduling, this work package needs to have at least one predecessor.**

* All the options bellow but changing back to manual scheduling will be disabled, including the save button.

* This is an error message and therefore it will take light red as background colour.


End of the insertion ## Figma Begin of the insertionand visuals

https://www.figma.com/design/arGHBRVi6WLJDLTv0YoOoo/Mobile-App---Spike?node-id=2028-4981End of the insertion

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