Is Pokémon GO Teasing Arceus In The New Load Screen?

Is Arceus coming to Pokémon GO ahead of Pokémon Legends: Arceus? An Easter egg in the new Xerneas/Sylveon loading screen suggests so.
The appearance of Xerneas and Sylveon's silhouette on the new Pokémon GO loading screen has brought more excitement to the game than we've seen in a long while. While Xerneas is front and center, Sylveon's silhouette takes some zooming to find. However, it appears that Sylveon isn't the only Easter egg teased in this loading screen. […]

Pokemon Go's New Loading Screen Teases Powerful New Pokemon

New Loading Screen : r/TheSilphRoad

Arceus In Pokemon Go Loading Screen 2021

Your Winter 2018 Guide To Pokémon Go Generation 4, Battling, Trading, And Much More - Game Informer

Your Winter 2018 Guide To Pokémon Go Generation 4, Battling, Trading, And Much More - Game Informer

Is Kecleon Coming to Pokémon GO?

Darkrai and Arceus are coming to Pokemon Brilliant Diamond and Shining Pearl, Page 2

They were teased 2 years ago, are there any updates? : r/pokemongo

Arceus News, Rumors and Information - Bleeding Cool News Page 1