**Preconditions**

- Timelines module is activated and timeline report exists.
- Work packages are displayed in timeline.

**Steps to reproduce**

1. Go to a timeline report.
2. Display a vertical work package in the timeline.
3. (White transparent lines are displayed in front of vertical work package) (Note: These are not caused by planning comparisons)

**Actual behavior**

- “Shadow” work packages are displayed in front of vertical work packages.

**Screenshot**

**Links to examples**
[Example on OpenProject](https://www.openproject.org/projects/openproject/timelines/36)
[Example on Preview](https://preview.openproject.org/projects/openproject-foundation/timelines/4) Begin of the deletion
End of the deletion