Unreal Engine Issues and Bug Tracker

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Latest Bugs

Animators applied to containers are not retained after saving

Reported in SF [Link Removed] When applying an animator to a container in the scene graph using the right-click menu, the container will be l...

Proxy Table allows creating a Nested Chooser, but Edit does not open it

UE - Runtime - Animation

A Proxy Table entry allows selecting Nested Chooser and creating an embedded Chooser Table. The new Chooser's name appears in the entry, but c...

Mutable Make mesh - Higher level LODs meshes appearing in lower LODs

UE - Runtime - Mutable

Due to 5.8 changes of the node Skeletal Mesh Make where it used to have the option of either automatically collect the LOD meshes from the Sec...

Iris: CurrTimeMS in FReplicationReader::ResolveAndDispatchUnresolvedReferences saturates on ARM64, so unresolved handles never move to the cold cache

UE - Framework - Networking

In FReplicationReader::ResolveAndDispatchUnresolvedReferences, CurrTimeMS is computed as static_cast<uint32>(FPlatformTime::Seconds() * 1000.0...

Missing textures on FBX import

TM - Interoperability

Reported in SF [Link Removed] When importing some FBX files, the materials may be missing textures when using the Interchange importer. The a...

Latest Fixes

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...

Crash when merging a file containing an Orbit Rig

Reported in SF [Link Removed] Scenes containing Orbit Rigs will cause crashes when attempting to Merge with other files....

Meta “AllowClasses” doesn’t filter in TArray using class

UE - VEI - Verse Class Editor

This occurred when we use a class and variable TSubclassOf<UObject>, TObjectPtr<UClass>, TSoftClassPtr<UObject>. [Image Removed] ...

TitleProperty does not work with VisibleAnywhere properties

UE - VEI - Verse Class Editor

In: [Editor\PropertyEditor\Private\PropertyEditorHelpers.cpp:118] function SPropertyValueWidget::ConstructPropertyEditorWidget checks what t...

Widget animations queued before Slate creation are not carried out in UE5.8

UE - ACT Character - Sequencer

We are currently upgrading some of our systems from Unreal 5.6 to Unreal 5.8, and we've noticed an issue with Widget animations. In one of our...