Mustangproject 2.3.0, released 2021-10-04, added
- support to validate XR 2.1 (UN/CEFACT)
- corrected invalid output PDF for input with incomplete CIDsets #249 and
- upgraded to PDFBox 2.0.24
To prevent regressions from #249 it is recommended to re-validate your PDF output after upgrading to 2.3.0
