Working on / Done in a report

[#1]

It is difficult to tell who has began their work without having to open every single task. It would be helpful to be able to easily see who has completed their part of a task and who has not when there are multiple assignees, in a report or a view.

[#2]

Have you tried adding the following field to your view/report/dashboard.

Below is how it will appear, once added. If you have multiple assignments to the task, you will see the status of each.