Mustang 2.16.1, released today, January 21st, 2025, features some small corrections like

• #678 some ubl creditnote attributes are not parsed
• #679 validation of a XR does not ignore whitespace
• #681 IBAN assigned to invoice sender not recipient on direct debit
• #689 incorrect element order when both charge reason and reasoncode are specified
• be able to set detailedDeliveryPeriodFrom, detailedDeliveryPeriodTo via JSON
• updated verapdf from 1.26.1 to 1.26.2
• cashDiscount JSON now corrently ignores values for cii and xr methods