Apple's iOS was upgraded to iOS 15.4 with 123 new emojis, including the popular "Melting Face," "Troll," and "Pregnant Man." In September last year, the Unified Code Alliance added 112 new emojis in Emoji 14.0, and Apple's iOS 15.4 added emojis also included these 112. It is reported that iOS 15.4 also added 7 new smiley face symbols.