'Change role' has been asked for many times, it's pretty simple and easy to use, and it does what it says - if, at some point, you decide to split a role and move some goals to a newly created one. Or, just move a goal to a more appropriate one, then use the menu on the goal page.
The 'This week' actions filter let's you see actions that are either recurrent and their recurrence falls into this week, or those that have their date set to an exact calendar day and that date also falls into the current week.