WhatsApp is rolling out a new design for message bubbles on iOS, reports WaBetaInfo. The platform's message bubbles are rounder than before with a softer shape – similar to iMessage – while shared media files appear without the original borders, giving them a cleaner look. The platform's message bubbles are rounder than before with a softer shape – similar to iMessage – while shared media files appear without the original borders, giving them a cleaner look.