If you caught the final season of The Clone Wars on Disney+, you saw The Bad Batch storyline, which is now retroactively the pilot for The Bad Batch series.  StarWars.com posted an announcement: Star Wars: The Bad Batch, An All-New Animated Series, to Debut on Disney+ in 2021.  Other than it taking place post-Clone Wars, there aren't too many details yet. Start demanding new toys now, kids.