Why is D.Va disabled in Overwatch Winter Wonderland 2020? Winter Wonderland 2020, the developers at Blizzard removed D.Va from the game. As it turns out, she was at the center of a game-breaking new bug. Why was D.Va disabled, and how long will she be unavailable? Here’s what we know so far. Winter Wonderland 2020 | Why is D.Va unavailable? The Winter Wonderland 2020 patch for Overwatch resulted in a bug that made D.Va invincible. Specifically, the latest bug stops her from ejecting from the MEKA after running out of health, allowing her to keep fighting while technically dead. The developers have stated that D.Va will be temporarily unavailable until they can find and fix the bug.