After confirming with Niantic, popular Pokémon website Serebii has informed trainers that the Shiny Celebi research will be leaving Pokémon GO along with Jessie and James on February 28th, 2021. According to this announcement, trainers who have begun the research but haven’t completed it will be fine, but those who have not yet begun will miss out on this incredible chance to catch this sparkling, pink Celebi.