Unlike past Pokémon video game remakes, which were developed by Game Freak, Pokémon Brilliant Diamond and Shiny Pearl are developed by ILCA (Yakuza 0, Dragon Quest XI). This isn't the first time the company was involved with Pokémon as they also developed Pokémon Home. The game is directed by ILCA's Yuichi Ueda and original Pokémon Diamond and Pearl director Junichi Masuda.
Pokémon Brilliant Diamond and Shiny Pearl are set for a late 2021 release, only for the Nintendo Switch.