The problem? The engine kept desyncing on older devices. Every time RobTop fixed one glitch, three more spawned like corrupted data ghosts.
At 6:00 AM, RobTop uploaded a single video to YouTube. No thumbnail. Just a black screen and the Geometry Dash menu theme. The title: "2.21." geometry dash 2.21 release date 2025
Within seconds, the comment section collapsed under a flood of hype. By 6:15 AM, the update went live on Steam, App Store, and Google Play. The problem