I would like to use CormorantSC for Vietnamese, but all the small 'u'-variants 'ụ', 'ự', 'ư' ... are still in lowercase. This is not the case for 'a', 'o', etc., so it looks like a bug. Could you please check? :)

https://github.com/CatharsisFonts/Cormorant/blob/master/2.%20OpenType%20Files/CormorantSC-SemiBold.otf