The new feature is support for BT-17 (tender or lot reference) (#923).
This release also fixes issues with the nonshaded (depencencies-not-included) version (#950 “ClassNotFoudException while running the PDFValidator”), upgrades to pdfbox 3.0.6, change return type of getCashDiscounts to CashDiscount object, not interface, adds a new known ZUGFeRD production software (a “signature”, #959) and corrects the calculation of charges on product level (#960).