In Windchill 10.2 M030 we are adding a new capability called User Focused Task Pages - with this capability an administrator can configure a Workflow Activity with attributes, actions and tables from the Primary Business Object (PBO) of the workflow - the item which the workflow is against. This can be configured againtst any object.
The tables will enable you to see and work with data from the PBO. Below is an example of a Table from a Resulting Objects table showing the actions one can do right from the Workflow Activity
There will be several OOTB workflow Activity Templates available for Change and Promotion that are provided - but since this is an MOR you will need to configure them in - we cannot insert them automagically.