Unreal Engine Issues

GAS: DefaultSubobject AttributeSet becomes invalid on duplicated blueprint

When a native actor 'AMyActorClass' creates AttributeSets as a default subobject via CreateDefaultSubobject, duplicating an actor blueprint based on AMyActorClass will result in a blueprint with an ...

WorldPartition Actors have invalid reference to level BP and fail changelist validation

Missing info in GPU breadcrumbs and DRED logs

Some breadcrumbs and D3D12 logs are missing data which should normally be filled in e.g. Breadcrumbs: > PostProcessMaterial %dx%d Material=%s [Active]. After investigating this, there seems to be a ...

Mesh with material where the translucency pass is set to Before DOF are not render correctly if r.SeparateTranslucencyScreenPercentage is set to a value != 100

Orientation Warping breaks incoming poses where bones are in component space

The orientation warping node breaks incoming poses where bones are already in component space. This is because, in EvaluateSkeletalControl_AnyThread, we are repeatedly setting bone transforms direc ...

[UDN 18615482] SPropertyMenuComponentPicker crashes depending on clipboard contents

[Link Removed] From UDN: "The component picker has a Paste option and when trying to decide if it should be enabled or not it attempts to load a class using the clipboard contents as a class name. ...

Map placed actor binding to another actor's Event Dispatcher (multicast delegate) results in duplicate bindings after blueprint recompile

Context Blueprint actors placed on the map can bind to another actor's event. If an ActorB has a reference to ActorA, it can bind to an event dispatcher in A by creating an event node in ActorB's e ...

Change of rotation axis when switching solver

This alteration was introduced in the 'Found CL' field - and is likely an unintentional side effect of adding SIMD to the solver. There is a repro project attached, open up 'TestMap' and run to see ...

Sampling regions don't get created when creating a mesh.

I'm trying to use VFX in specific regions on a character and would normally use sampling regions to do it easily, however the mutable mesh that is generated doesn't seem to be creating any of the on ...

Memory leak in distance fields with bDisableWorldRendering

There is a memory leak in the Distance Fields category when a mesh continuously moves through the world and the scene is being captured with bDisableWorldRendering set to true. This issue occurs on ...