This release brings various small updates: apart from some housekeeping (#914, #932, #939, #943, upgrade of apache fop) e.g. Factur-X files with UBL content are now rejected (#926), Cash discounts are now not only written but also parsed on import (#692) and the calculation of item discounts was corrected (#917).
As always, futher details can be found in the history and Mustangproject 2.19.1 can be integrated using Maven Central or downloaded for command line use.