As of my knowledge cutoff in April 2026, , and RobTop Games has not announced a fixed release date.
The release of Geometry Dash Update 2.21 is currently anticipated to occur sometime in late 2024 or early 2025, though no official date has been set by developer Robert Topala (RobTop). After the massive 2.2 update launched in December 2023, RobTop shifted focus to smaller bugfix patches (2.201 through 2.208) while simultaneously developing 2.21 to house several major features that were originally delayed from the 2.2 release. Key Features Expected in Update 2.21 when is geometry dash 2.21
: Over 250 new icons and custom keybinds. Draft Post Options Geometry Dash 2
As of April 2026, Geometry Dash update 2.21 does not have an official release date Key Features Expected in Update 2