Improvements

Payment Wallet: Ability to save a payment instrument to a wallet after making an initial invoice payment.

Markup Rates: Charges now include their markup rather than generating a separate markup charge. To learn more, see our article on Creating a Transaction Markup Rate. 

Managing Invoices: Customer users are now able to make payments of multiple invoices in a single operation. 

Invoices PDFs: Ability to download PDFs for invoices that have been paid.

Customer Invoices: Ability to download invoices in Customer Invoices module.

Weight-based Rates: improved weight calculations. 

Movable Unit Rates: Ability to count by area when unique MU label is selected as the counting unit.

Fixes

Published Invoice: Resolved an issue that occurred when an invoice with a large number of SKUs was published.