These news were revealed in the Future of D&D pannel on D&D Celebration
Executive Producer Ray Winninger confirmed that revised rulebooks are in development and will released on 2024, to mark D&D's 50 years anniversary
Image Credits: Wizards of the Coast
Cards Realm
These books are going to be completely compatible with D&D 5e. We will have more information next year, along with major D&D settings in 2022 and another fan-favorite setting appearing in 2023.
Image Credits: Wizards of the Coast
Cards Realm
Some fans think that D&D 6e will come in 2024, but there's no confirmation in that regard.