Unreal Engine Issues

Incorrect transforms when breaking a packed level actor

See "Steps to Reproduce" ...

Issue with Niagara MeshRenderer

Chorded Trigger evaluation can be evaluated to unexpected results in some specific cases

Cannot change collision presets in BP instances.

Even with the “Editable when Inherited” flag set in the blueprint class static mesh component, the BP instance collision preset cannot be set to one different from the BP class collision preset. The ...

Mesh deformed by Cable Component does not output velocity

The velocity when moving the root is output, but it seems that the velocity for each deformation is not output. Since motion blur and TSR use velocity, problems such as ghosting may occur. ...

Sound Attenuation settings do not function when Allow Spatialization is False

Override Sound Attenuation setting does not work, Sound will play at max volume regardless of distance between source and observer. ...

A static mesh far from the origin appears to wobble in PIE

It seems that the numbers are rounded in VertexFactoryCommon shader. The cube consists of vertices that are very far from the origin and are placed on the screen by placing them at coordinates that ...

Slate widget may incorrectly consume key up events causing some UI to get stuck

This is a bug reported from a UDN customer with a sample project and video attached that goes over the input consumption states and how they are incorrectly being set when changing UI modes ...

Blueprint debugger: variable getter node displays wrong object's value

After triggering a breakpoint in blueprint, variable getter nodes can display the value of a different object than the node's target. For example: if an actor class has a value MyBool and the bluepr ...

Python does not always copy struct properties when there are differences

I noticed that some struct are not always copied in python. For example, FBox is not copied if !a_src.IsValid and !a_dst.IsValid even if Min and Max are different. Another example is FJsonObjectWrap ...