(Screenwriting Mode) Parenthetical Loses Formatting When

I use Scrivener on PC, Mac and iPad. I’ve noticed when switching from one platform to another, my parentheticals are changed to General Text. This can easily be recreated by saving a file on Mac (in Screenwriting Mode with Character, Dialogue and Parenthetical) and opening it on the PC. The Parenthetical is then reformatted to General Text.

Does anyone else have this issue?