For high-level players and speedrunners, Build 14344626 brought essential quality-of-life updates to the interface:
Visual bugs with the were fixed, specifically a misplaced chainsaw spark effect during heat release animations.
: The HUD weapon icon glow and Rocket Launcher hologram were slightly dimmed to reduce visual clutter during intense firefights. Performance and Steam Deck Verification ULTRAKILL Build 14344626
: Small but immersion-breaking issues, such as the 7-S pond not being stained by blood and certain mid-level shops playing music when they shouldn't, were fully resolved. Improved HUD and Speedometer Options
The no longer fires "absurd amounts" of simultaneous cannonballs when using a Dual Wield powerup, preventing accidental frame rate drops and unintended power spikes. Improved HUD and Speedometer Options The no longer
: The speedometer gained new options for horizontal-only and vertical-only displays, allowing players to better track their momentum during complex techs like "Slam Storage".
: On the then-new Brutal difficulty , Mannequins were fixed to ensure they no longer remain parryable after landing from a launch, closing an exploit that made certain encounters easier than intended. ULTRAKILL Build 14344626: The "Full Arsenal" Polish Phase
ULTRAKILL Build 14344626: The "Full Arsenal" Polish Phase , widely known in the community as Patch 15d , was released on May 13, 2024. This build arrived during a critical period of the game's development, following the massive "Full Arsenal" update that introduced the final weapon variations and the brutal "Brutal" difficulty setting.