Unreal Engine Issues

Undoing parent deletion creates duplicate child actors

Undoing the deletion of an actor with a child actor component added via the details panel (IWCE) duplicates the child actor and the hierarchy is incorrect in the scene outliner. This seems to only h ...

AnimMontage notify callback destroying owning actor causes crash

Destroying the owning actor as a response to an anim montage's anim notify causes unsafe access of the current anim montage. See repro steps. ...

VolumetricFog does not update + creates artefacts in low exposure environments

See licensee video here which shows the issue - [Link Removed] ...

The process of performing SetTextureParameterValue on a decal component during BeginPlay, the result will not be the same every time when streaming a level.

If executing CreateDynamicMaterialInstance and SetTextureParameterValue on BeginPlay for the decal component, the decal will be different the first and second time level streaming. ...

There are parameters in Niagara's AddVelocity module that will not be copied and pasted.

Newly created Groom assets crash when opened after restarting the editor

Calculating LLM of Audio tag in AnimationStreaming.

 In the following section, AnimationStreamingManager incorrectly adds in Audio's LLMTag.   void FAnimationStreamingManager::UpdateResourceStreaming(float DeltaTime, bool bProcessEverything /*= fals ...

Level sequence does not play when using async load for level

The problem seems to be that FLevelSequenceBindingReference::Resolve () fails due to LoadPackageAsync() called in the FStreamableManager::StreamInternal() function. The licensee reports that the pro ...

Button response wrong on lastest MacbookPro

Vehicle tire forces applied too high

Vehicle wheel friction values are applied too high relative to the vehicle centre of mass.  They are applied at the wheels original rest position rather than the base of the current wheel location. ...