Unreal Engine Issues and Bug Tracker

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Latest Bugs

VRS Cvar Crash during CollectPSOInitializers when CVarEnableVRS.GetValueOnRenderThread() causes Ensure failure

UE - Rendering - RHI

We are running into an ensure that is triggered when CVarEnableVRS.GetValueOnRenderThread() is called on the game thread from FVariableRateSha...

FCameraShakePreviewer retains world-outered UCameraShakeBase instances indefinitely, fataling CheckForWorldGCLeaks on editor map change

UE - CAPT - Sequencer

FCameraShakePreviewer is an FGCObject that strongly references the UCameraShakeBase instances it previews, and creates them outered to the pre...

Chaos: geometry collection with One Way Interaction never breaks from its own collisions

UE - Runtime - Simulation

A geometry collection with One Way Interaction Level set to 0 never breaks from its own collisions. It falls, lands, and stays intact no matte...

UCharacterMovementComponent::CapsuleTouched crashes on UGeometryCollectionComponent overlap (unchecked USkinnedMeshComponent cast)

UE - Runtime - Character

Summary: Confirmed that this exists in latest as well as 5.8 which is the origin or both tickets. This is a regression from 5.7 - although it l...

Interchange GLTF importer truncates skeletal mesh bone influences to 4 per vertex

UE - Editor - Open File Formats

cf https://forums.unrealengine.com/t/interchange-gltf-importer-truncates-skeletal-mesh-bone-influences-to-4-per-vertex/2745391/2 Original mes...

Latest Fixes

Scaled Geometry Collections result in a potential memory leak in Physics/ChaosUpdate

UE - Runtime - Simulation

Scaled Geometry Collections (GC) result in a potential memory leak in Physics. Tracing the memory allocation of a single run of the Editor and...

Unreal 5.7 Trace server not working on Rocky 8

UE - Platform - Linux

UnrealTraceServer built on a Rocky 8 machine yields a binary that depends on versions of glibc and glibcxx higher than the 2.28 version provid...

Object with "defaultconfig" cannot be edited in Project Settings if their config section exists in DefaultXXX.ini

GameplayTags meta "Categories" return warning when all categories are not present inside the FGameplayTagContainer

UE - Gameplay - Gameplay Tags

Categories are not processed correctly for gameplay tags when meta "Categories" is used. Categories filter which categories appear for the men...

[Sequencer MRQ] Spatialized audio is not heard in MRQ renderings

Per customer case: [25102237 | Case | Salesforce|https://epicgames.lightning.force.com/lightning/r/Case/500QP00001V41PqYAJ/view] Audio that u...