Often during the course of workflow development, you will need to add new tasks to a workflow.

The addition of new tasks is done in the following manner.

Add new tasks to the template as per this solution.

Once a new task has been added to the template click on the "Update and Insert Changes" button on the template item list

This will update and insert tasks that have been modified on the template upto the last 7 days

You can see here for a job that the task has been successfully inserted into the workflow list.

Note that this will insert these tasks into all jobs that are not cancelled or closed