the cutting room mirror

Version Differences

This is a sub-page of Deltarune/Chapter 3.

Platform Differences#

This needs some investigation.
Discuss ideas and findings on the talk page.
Specifically: Is the darker variant of the light blue border used? If so, where?

As with Chapter 1 and 2, unique borders are used on console versions, though unlike those chapters there are no parts of the borders unseen by normal players this time.

(Source: Snapcube Streams 1 & 2 - YouTube)

Revisional Differences#

Version 1.00#

Launch version of Chapter 3, numbered v.0.0.086.

Version 1.01A#

Released on June 6th, 2025. Updated Chapter 3 on PC/Mac to v.0.0.087.

  • Fixed a common crash in a room with a lot of screens.
  • Fixed a crash when a certain boss tries to summon enemies.
  • Fixed a freeze involving talking to a character after getting off of a raft.
  • Fixed a freeze when checking binoculars.
  • Removed a visible debug message.
  • Fixed a crash involving picking up grass and swapping characters frame perfectly.
  • Fixed a part where you can erroneously enter an empty room.
  • Backtracking to a puzzle after attaining a special armor no longer crashes the game.
  • Added a failsafe if you don't have audio output during rhythm games segments.

(Source: undertale.com - Bluesky)

Version 1.01B#

Released on June 8th, 2025. Updated Chapter 3 on PC/Mac to v.0.0.088.

  • Fixed a softlock where you can get teleported to the Green Room during the battle with one of the final bosses, and be permanently unable to progress if you save. (This fix prevents the issue from happening again, but unfortunately if you had this bug occur, your save file will still be broken.)
    • Specifically, this occurred when you pressed the V key during the Rock Concert minigame segments of the Tenna battle, which was a leftover debug feature that would end the minigame.
  • Fixed a softlock where the raft could get stuck in a wall.
  • Fixed a crash if you lose to the first miniboss with zero points.
  • Fixed a depth issue with a black tile.
  • Some players' computers are not compatible with the method of video display in Chapter 3. if you reach a cinematic which crashes or freezes your game, returning to that scene once more will give you the option to skip it.
  • Fixed a bug when receiving a prize for attaining the highest rank.
  • After defeating a certain a boss, if your inventory is too full to receive the armor in the chest, a treasure chest will be placed into the Green Room.
  • In the credits, the name listed under "Chef Minigame Program" was changed from "ondy" to "ondydev".
  • Removed a debug feature in the Monster Movie minigame where pressing F5 would end the minigame.

(Source: undertale.com - Bluesky)

Version 1.01C#

Released on June 9th, 2025. Updated Chapter 3 on PC/Mac to v.0.0.089.

  • Fixed crashes relating to Shadowguy's Sharpshoot ACT.

(Source: undertale.com - Bluesky)

Consoles Hotfix#

Released on June 23rd, 2025. Chapter 3 is updated on Switch/Switch 2 to v.0.0.086 and on PlayStation 4/PlayStation 5 to v.0.0.088. Changes mostly included fixes from PC hotfixes 1.01A and 1.01B.

  • Fixed a common crash in a room with a lot of screens.
  • Fixed a crash when a certain boss tries to summon enemies.
  • Fixed a freeze that involved talking to a character after getting off of a raft.
  • Fixed a freeze when checking binoculars.
  • Removed a visible debug message.
  • Fixed a crash involving picking up grass and swapping characters frame perfectly.
  • Fixed a part where you can erroneously enter an empty room.
  • Backtracking to a puzzle after attaining a special armor no longer crashes the game.
  • Added a failsafe if you don't have audio output during rhythm game segments.
  • Fixed a softlock where you can get teleported to the Green Room during the battle with one of the final bosses, and be permanently unable to progress if you save. (This fix prevents the issue from happening again, but unfortunately if you had this bug occur, your save file will still be broken.)
  • Fixed a softlock where the raft could get stuck in a wall.
  • Fixed a crash if you lose to the first miniboss with zero points.
  • Fixed a depth issue with a black tile.
  • Added a failsafe in case a certain video doesn't display correctly.
  • Fixed a bug when receiving a prize for attaining the highest rank.
  • After defeating a certain boss, if your inventory is too full to receive the armor in the chest, a treasure chest will be placed into the Green Room.
  • Fixed a continuity issue in a certain scene on Switch/Switch 2.

(Source: undertale.com - Bluesky)

Version 1.02#

Released on July 8th, 2025. Chapter 3 is updated v.0.0.091 on PC/Mac, v.0.0.088 on Switch/Switch 2 and v.0.0.090 on PlayStation 4/PlayStation 5.

  • Key Items received from the Ball Machine no longer incorrectly persist outside of that room. This caused numerous issues, including not being able to receive the Shadow Crystal from a certain boss.
  • Fixed an issue where Susie and Ralsei would appear completely shadowed if defeated by a boss's attack.
  • In a room where Susie destroys houses, she no longer stops moving erroneously after the battle. However, she now slides around erroneously. Noted in the changelog as being "better". Apparently.
  • Attempted to fix issues on Board 1 where you can see duplicate Ralseis as well as make Ralsei disappear indefinitely.
  • [Console-only] Fixed some situations were borders were not displaying correctly.
  • A grammatical error when interacting with the Shuttah behind the curtain outside the Green Room was fixed.

1.01C

1.02

 * Tsk... You have seen not but
  that tempered by light.

 * Tsk... You have seen naught but
  that tempered by light.

  • A grammatical error when using ActCool on the Watercooler was fixed.

1.01C

1.02

 * Everyone chat around the
  Watercooler!

 * Everyone chatted around the
  Watercooler!

(Source: undertale.com - Bluesky)

Version 1.03#

Released on July 23rd, 2025. Updated Chapter 3 to v.0.0.094 on PC/Mac, v.0.0.091 on Switch/Switch 2 and v.0.0.093 on PlayStation 4/PlayStation 5.

  • Swords used in a certain boss's "Sword Tunnel" attack now have a reduced hit box relative to the graphic, making the attack easier to dodge.
  • Fixed a softlock on the Board 1 that could occur after using only three keys.
  • Fixed a soft lock if a party member fails to reach the Power Croissant..
  • Fixed a crash if you pushed a pyramid the wrong way.
  • Fixed an issue where on certain platforms, the sprites of the game would become blurry after the Tenna scene.
  • [PC-only] Fixed a visual issue where after defeating Tenna, it was erroneously showing texture data instead of static.
  • At the end of the Tenna battle, the text "DEFEAT TENNA" now appears.

(Source: undertale.com - Bluesky)

Version 1.04#

Released on August 5th, 2025. Updated Chapter 3 to v.0.0.098 on PC/Mac, v.0.0.095 on Switch/Switch 2 and v.0.0.097 on PlayStation 4/PlayStation 5.

  • Added a method to get "TripTicket" even after receiving "ShadowMantle".
  • You can no longer erroneously keep Lancers in your inventory.
  • Susie doesn't slide weird after battle in that room where she kicks the houses. Noted again in the changelog as being "better". Apparently.
  • Fixed an obscure softlock during the Pushing Buddies sequence.
  • Fixed a frame perfect game crash if you throw a shell and check it as it's breaking.
  • Fixed a frame perfect crash involving checking water-logged binoculars.

(Source: undertale.com - Bluesky)

Version 1.05 (Beta Branch)#

Released on August 26th, 2025, as a beta branch called "deltarune105" on Steam. Updated Chapter 3 to v.0.0.099 on PC/Mac. Besides this, no currently known chapter-specific changes.

(Source: undertale.com - Bluesky)

Chapter 5 Patch 3#

This needs some investigation.
Discuss ideas and findings on the talk page.
Specifically: What else was changed?

Released on July 30th, 2026. Chapter 3 is updated on PC/Mac and PlayStation 4/PlayStation 5 to v0.0.105.

  • Fixed a softlock involving getting the Power Croissant and saving Lancer in Board 1 in a specific order.
  • Fixed 2 softlocks involving turning enemies into pushable objects.
  • Attempted to fix a crash involving Kris being downed when Tenna's final attack starts.
  • The UI of the Lightners Live mini-game was updated to match how it looks in Chapter 5.

(Source: undertale.com - Bluesky)