WhatsApp is receiving a refreshed design on iPhone and Android, the first interface overhaul of its kind since 2021. The new design rolling out for the Meta-owned social media platform is meant to be fresh, approachable, and simple, according to WhatsApp. WhatsApp says that sending photos and videos on iOS is now easier, thanks to a new attachment layout. Instead of a full screen menu, there's an expandable tray for accessing features when sending media, documents, polls, and more. Icons have been updated to a rounded, outlined style, and there are new illustrations with added animations for a "more playful" aesthetic. New WhatsApp attachment tray There's also a new "consistent" green color palette throughout the app, as well as a…