Pokémon Sleep has resolved a bug that could prevent the game from progressing past the title screen under certain conditions, with the issue fixed in version 3.8.1. A separate bug affecting Mew during Snack Time is still being investigated, with some players unable to claim the Eureka Seed (Mew) item under certain conditions. Pokémon Sleep says affected players will receive a gift in their Gift Boxes at a later date as compensation for the issue.
Source: Official Pokémon Sleep news
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