ULTRAKILL
Steam News 15 April 20261mo ago

Patch 17d Changelog

Improved optimization on non-portal levels and the Cyber Grind Made the Friends leaderboard at the end of a Cyber Grind run scrollable The 75% wave completion requirement for opening Deathcatcher cages now excludes the…

Update log

Full ULTRAKILL update

The complete published notes, normalized for clean reading and source attribution.

Extracted changes

15 fixes1 addition2 changes2 removals
  • Gameplay
  • Fixes
  • Balance
  • Maps
  • UI and audio
changedImproved optimization on non-portal levels and the Cyber Grind
fixedFixed enemies sometimes not dying when falling from a fatal height
fixedFixed a broken navmesh in 2-2's first area causing a group of Soldiers to spawn in the wrong location
fixedFixed a bug that caused the Sawed-On Shotgun's chainsaw to still appear broken after respawning if it was broken before being launched
fixedFixed a bug that caused the Sawed-On Shotgun to no longer be able to use the primary fire while chainsaw meleeing
fixedFixed the Earthmover boss health bar replaying its intro fill animation when the player grabs a checkpoint
  • Improved optimization on non-portal levels and the Cyber Grind

  • Made the Friends leaderboard at the end of a Cyber Grind run scrollable

  • The 75% wave completion requirement for opening Deathcatcher cages now excludes the Deathcatchers themselves, reducing the amount of other enemies the player has to hunt down to open them

  • If a Deathcatcher cage spawns on top of the player in the Cyber Grind, the player will now be teleported above it instead of getting stuck inside

  • Fixed enemies sometimes not dying when falling from a fatal height

  • Fixed a broken navmesh in 2-2's first area causing a group of Soldiers to spawn in the wrong location

  • Fixed a bug that caused the Sawed-On Shotgun's chainsaw to still appear broken after respawning if it was broken before being launched

  • Fixed a bug that caused the Sawed-On Shotgun to no longer be able to use the primary fire while chainsaw meleeing

  • Fixed the Earthmover boss health bar replaying its intro fill animation when the player grabs a checkpoint

  • Fixed some enemies not rendering correctly in the 8-3 Dimensional Deathcatcher room

  • Major Assist game speed change now applies correctly after a level load instead of only after a time stop has triggered

  • Fixed a small unintended crevice in 8-2 Reception

  • Fixed the right wall being offset by one unit in 8-3 Shifting Arena

  • Made Wind state breaking breakables and glass more consistent

  • Fixed a mysterious black blob sometimes appearing on the portal leading from 8-3 Split Color Door to Night Street

  • Ejected cores are no longer launched by non-Knuckleblaster explosions

  • Fixed Malicious Face beams not causing core ejects to nuke

  • Added a buffer safety system to the alt fires of the Core Eject Shotgun and SRS Cannon Rocket Launcher to avoid the player accidentally firing a 0 force projectile when switching to the weapon

  • Fixed a bug that caused Mannequins to inherit a broken version of the Husk chest explosion mechanic

  • Fixed the electricity particles of the Electric Railcannon and Malicious Railcannon not displaying correctly

  • Fixed the Railcannon pips not working correctly sometimes when using a Dual Wield powerup

  • Fixed a bug that caused a Power's health bar to appear for a single frame at the beginning of his spawn animation in 8-3

  • Coins no longer break if hit by multiple beams in quick succession

  • Made the Mirror Reaper's non-boss spawn sound louder

  • Fixed a bug that caused Size 2 fish to be uncatchable

Source

Steam News / 15 April 2026

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