I don't know why people ask for repertoire advice, this is something you should ask yourself or a teacher who knows you well. No one here can give proper advice as to what wil mprove you or what you will reall enjoy it's just stabs in the dark. I've taught hundreds and hundreds of piano students and just because they play xyz doesn't mean the path is clear where to go next. Sometimes its not even repertoire that is the problem but their learning tools and organisation. You already know composers you like and therein lies years and years of work already.