Why is it that on a Mac 당신 can only 업로드 5 이미지 at a time onto a club?

Is there a way around this 또는 am I just stuck with it? I remember how on a PC 당신 can 업로드 up to 20 또는 더 많이 (if 당신 have a medal on that spot) which was really nice, uploading 5 at a time is a pain in the ass, thoughts?