Unreal Engine Issues

Broken assignation of materials when merging meshes

See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...

Playing as a Pawn that is a Duplicate of a Blueprint Class doesn't create an Attribute Set

Creating a duplicate of a Blueprint class that has an AttributeSet seems to be interfering with the creation of the AttributeSet. ...

Hotreload on c++ native actor component class will cause BP edit malfunctioned

[Image Removed] When the BP editor is opened, hot-reload compile will wrongly serialize a HORRELOAD_XXX object into the BP class and package which can not be found when Editor is opened again after ...

Material Billboard Component doesn't respect screen size when taking into account Camera FOV and AR

Material Billboard Component skews when Camera's Aspect Ratio is changed, and varies in size with changes to the Camera's Field Of View. Reported in version 4.25.3 (CL-13942748) and tested in versi ...

Light Propagation Volume does not work on Linux

It's easiest to see the change on the top of the table or back of the chairs when following the repro steps. I've attached screenshots of the Windows and Linux comparison with Intensity set to 20. ...

Crash when creating a static mesh from a Procedural Mesh Component that has been used with a Create Mesh Section node

When creating a static mesh from a Procedural Mesh Component that has been used by a Create Mesh Section node, the editor crashes. The editor doesn't crash when selecting the Create Static Mesh butt ...

Level instance in unloaded data layer stays loaded.

MoviePipeline: ExecutorJob UserData field lost on Queue Load

I didn't check with the debugger, but I suspect this is caused by: void UMoviePipelineExecutorJob::OnDuplicated_Implementation() { UserData = FString(); When the queue is loaded, each job is dupl ...

Mismatch of light position and PerObjectProjectedShadows

Per-Object shadows cast by a stationary point light do not appear in the correct place on movable geometry. ...

Splitting a struct in an Anim Blueprint does not work

In an Anim BP, splitting the transform structs of a Transform (Modify) Bone node causes the node to be come non functional. Transform components must be combined in order for the node to work. EX ...