\defaultfontfeatures[tipauni-newcm-book]{%
  Renderer          = {Harfbuzz},%
  Extension         = {.otf},%
  UprightFont       = {NewCM10-Book},%
  ItalicFont        = {NewCM10-BookItalic},%
  BoldFont          = {NewCM10-Bold},%
  BoldItalicFont    = {NewCM10-BoldItalic},%
  StylisticSet      = {5}%
}