Media Molecule, the British video game developer known for creating Dreams, has not announced any specific details about their next major project. After the successful launch and continued support of Dreams, they might be working on new ideas and concepts for their next game, but no official information has been disclosed.
To find the latest and most accurate information about Media Molecule's current projects, I recommend checking their official website, social media channels, or recent news articles related to the company. Game development studios often keep their fans updated through these channels, so you'll be able to stay informed about any new announcements or releases directly from the source.