Here’s an informative guide to the Geometry Dash "2.21" update (often referred to as Update 2.21), focusing on its confirmed features and how they work.
Note: As of my knowledge cutoff in October 2023, Update 2.21 had not yet been fully released—only teasers and previews from developer RobTop Games. The following is based on official sneak peeks and common interpretations from the GD community. geometry dash 221 update features work
How they work:
Où et quand partir - When and Where to Go - Wohin und wann reisen - Dónde y cuándo salir - Dove e quando partire - Onde e quando partir