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Patch NotesToby Fox0.0.247

Deltarune Chapter 5 v0.0.247 Patch Notes (9th July 2026)

Toby Fox's team has patched Chapter 5 to squash memory leaks that were tanking PS4 stability, plus several softlocks and combat glitches.

Nathan Lees3 min read
Deltarune Chapter 5 battle scene with character in platforming encounter
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Deltarune Chapter 5 has received v0.0.247, a stability and bug-fix patch that addresses some of the chapter's thorniest issues. The big one here is memory leaks that were causing random crashes on PlayStation 4, which should make the experience considerably less frustrating for console players.

Beyond stability, the patch tackles several combat and progression headaches. An armour that wasn't granting its promised invincibility frames against the chapter boss now works correctly, and a softlock during the Rude Buster platforming battle has been eliminated. There's also a fix for the bread-smashing time attack's display bug and a correction to aqua miniboss bullet grazing that was incorrectly extending attack duration. The team has also cleaned up various visual glitches, including train blueprints floating where they shouldn't and overlapping textboxes.

One clarification worth noting: the chapter boss difficulty adjustment mentioned in recent patch notes only kicks in after six losses in a single session, capping at sixteen, so most players won't notice its effect at all. The full list, including fixes for the JusticeAxe progression bug and the SOUL cage display error, is below.

Full Patch Notes

Today we released an update for PC/Mac to fix a few issues with the game.

You can confirm the chapter version number on the bottom right of the file select screen.

Changelist

Chapter 5 Version 0.0.247

GAME CHANGES

・You will no longer receive JusticeAxe from the hole in the CastleTown cliff if you never got the

Shadow Crystal in Chapter 4 on that file slot.

・Grazing the bullets of an aqua miniboss no longer erroneously makes the attacks last longer.

・Fixed an error where the bread-smashing time attack wouldn't display a 0 digit correctly.

・Fixed an error where an armor that is supposed to increase the amount of invincibility frames did

not work against the chapter boss.

・Fixed various memory leaks, which seem to have been causing random crashes on Playstation 4.

・Fixed a softlock where you can clip through the floor after defeating certain platforming encounters.

・Fixed a softlock when using Rude Buster in the first phase of the platforming battle before the

chapter boss.

・Fixed an error where scissors would no longer be damaging after an event.

・Fixed the SOUL visually remaining in the birdcage if the Chapter's first scene was skipped in a

certain way.

・Fixed various circumstances where two textboxes can overlap, or where you can walk around with

the menu still open.

・Fixed train blueprints hovering in the air, and various other minor graphical fixes.

・Various other minor fixes.

TEXT CHANGES

・The shop in the Cliffs has new dialogue in an extremely obscure circumstance.

・Credits have been added for the following people:

Matt Cummings – Festival Concept Art

Zu Ehtisham – Platforming VFX

Marcy Nabors – Music Assistance

・The manual in Castle Town now mentions Susie's SCYTHEMARE.

・Various minor fixes.

CLARIFICATION OF PREVIOUS PATCH NOTES

A modification to the chapter boss which makes the battle easier was mentioned recently.

To be clear, this battle only becomes extremely slightly easier each time the player loses from 6 times

to a maximum of 16 times in a single gameplay session. If you lose to the boss 5 times or less, this

change has no effect on you, and even losing to him 6 or 7 times has so little of an effect that the

average player would not notice a meaningful difference.

We will continue to address issues as quickly as we can.

Thank you for your patience and for playing the game!

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Written by

Nathan Lees

Gaming journalist and founder of XP Gained. Covering patch notes, breaking news, and updates across 160+ games.

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