New keybinds for individual variations and a "Previous Variation" button (defaulting to Q) were added to allow for faster weapon cycling. Version History & Modding Stability
Patch 15d is often cited as a "stable" version for players who prefer to downpatch for mod compatibility. Later major updates, such as the "ULTRA_REVAMP," significantly changed the game’s underlying code, leading many in the community to stay on the Patch 15 branch to maintain access to specific fan-made mods until they are updated for newer versions. ultrakill v15d top
For players aiming for the "Top" rank (P-Rank), Patch 15d refined the tools necessary for mastery: New keybinds for individual variations and a "Previous
Patch 15d was the fourth minor revision following the major Patch 15, which introduced: For players aiming for the "Top" rank (P-Rank),
Malicious Faces were corrected to properly take impact damage from explosions when made vulnerable with gasoline.
The "Firestarter" Rocket Launcher, "JumpStart" Nailgun, and "Sawed-on" Shotgun joined the rotation.
A punishing new tier where enemies move significantly faster and bosses gain additional damage resistance.