Changes in version 1.4.4 (2022-10-10)                  

  - Fix plot.designDiagram() so that it aligns with vctrs usage in
    ggraph version 2.1.0.
  - Fix bug in DD.R so inherits(.,"formula") is used instead of
    class(.)!="formula"
  - Fix bug in DD.R on check of factors inside design matrices

Not reported.