Niantic has unveiled yet another new loading screen for Pokémon GO, which is now being rolled out to all players across iOS and Android devices. The latest loading screen celebrates the summer season and displays a number of iconic Pokémon enjoying themselves on a sunny day, including Latias, Latios, Slugma, Wigglytuff, Chansey, Wailmer, Quagsire, Meganium, Cacnea, Whimsicott and Braviary. This new loading screen is being rolled out alongside a new update for Pokémon GO on iOS and Android.
Source: Pokémon GO app