The bad news is that merely adding an Open­Type fea­ture to a font doesn’t make it avail­able to font users. Rather, the type­set­ting ap­pli­ca­tion also has to sup­port the fea­ture. Even though many Open­Type-en­hanced fonts are avail­able to­day, soft­ware com­pa­nies have been slow to up­grade their applications.