Yes, for Invoices that have a due balance that are no longer going to be paid you now have the ability to updated them with a write off. On the main Invoices grid you will see a blue circle icon with a slash through it on any rows that have a Invoice with a due balance. Clicking this icon will allow you to update that Invoice as a Write Off. 

This action will eliminate the balance that is due and update the Status from “Unpaid” to “Write Off”. After clicking the “Write Off” icon you will be asked to confirm your intentions by typing “YES” into a text box and clicking “OK”. That Invoice with then be automatically updated to a Write Off and the balance will be zeroed out. Please note that although the Invoice has been written off with a zero balance and transaction connected to that invoice such as a pay later Membership or Event registration will not be updated or zeroed out.