For a quick glance here is a video - Invoice Status Update
Now the status under the Manage Invoices and Process Invoices will update automatically when any payment is applied.
Please view the below 2 scenarios:
1. Process Invoice Page
The invoice for the client Te,Ma on 8/05/2020 is under Process Invoice.
When I apply the payment and when the status is closed.
The invoice for the client on 8/05/2020 will be removed after refreshing the page.
2. Manage Invoices page
The invoices for the client Do,Ja from 03/20/2021 to 04/07/2021 is Due and under Manage Invoices.
When I apply the payment of any of the lines and when the status is closed.
The Total Billed, Insurance Responsibility and Balance of the invoice will be updated after refreshing the page.