is a major update released on March 29, 2021, that overhauled the game's control system, added new accessibility options, and introduced significant physics changes for speedrunning.
: Several rooms were tweaked, including added spikes in "Singular 11" and "Event Horizon 9" to clarify intended solutions or prevent players from getting stuck. Celeste.v1.4.0.0.rar
: The "demodash"—a frame-perfect move previously requiring a specific sub-pixel setup—received a dedicated, bindable button accessible without using cheat mode. is a major update released on March 29,
: A new "Grab Mode" allows players to toggle grabbing rather than holding the button, improving accessibility for those who struggle with sustained button presses. Physics Adjustments : that overhauled the game's control system