ULTRAKILL
Steam News 4 March 20262mo ago

Patch 17b2 Changelog

Fixed default Piercer splitcoin not ignoring the same target on subsequent splits Removed most "oops" OOB preventers from 8-3's final section Fixed Mirror Reaper not having damage resistance to sawblades Mirror Reaper t…

Update log

Full ULTRAKILL update

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

Extracted changes

5 fixes0 additions0 changes1 removal
  • Fixes
  • Gameplay
  • Balance
fixedFixed default Piercer splitcoin not ignoring the same target on subsequent splits
removedRemoved most "oops" OOB preventers from 8-3's final section
fixedFixed Mirror Reaper not having damage resistance to sawblades
fixed(Hopefully) fixed 8-3 Dimensional Cave getting stuck on the wrong side when the player has cleared out the cave side and then clears out the flesh side right as the portal reaches its destination
fixedFixed 8-3 elevator to secret softlocking the player if they use a call button on the second floor
fixedFixed two pillars in 7-3 not having the correct texture
  • Fixed default Piercer splitcoin not ignoring the same target on subsequent splits

  • Removed most "oops" OOB preventers from 8-3's final section

  • Fixed

    Mirror Reaper

    not having damage resistance to sawblades

  • Mirror Reaper

    toxic projectiles now stop tracking the player after 2 seconds

  • (Hopefully) fixed 8-3 Dimensional Cave getting stuck on the wrong side when the player has cleared out the cave side and then clears out the flesh side right as the portal reaches its destination

  • Fixed 8-3 elevator to secret softlocking the player if they use a call button on the second floor

  • Fixed two pillars in 7-3 not having the correct texture

Source

Steam News / 4 March 2026

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