Unreal Engine Issues

SetChildActorClass does not replicate when set to a different class

When using SetChildActorClass to change a Child Actor Class, the change will replicate on the Server but not the Client. The Client will have the original Actor Class after the change happens. This ...

Broken hair material with light function

Hair Materials do not react to Light Functions in the same way as other Materials. There is a visual difference between a Directional Light at 1 lux with no Light Function and a Directional Light at ...

Vehicle does not create an overlap event in 4.8 preview 2

If the user places a trigger volume into the level and then drives the car into it the over lap event will not trigger ...

Engine Crashing with AMD R9 2 and 3 Series Cards

Multiple users are reporting crashes in the Engine when using an AMD R9 380 and 390 series cards. There was a request to have these cards added to compat lab for testing, but have not heard any upd ...

Some enums getting reset in released 4.15 preview 2.

Ray traced ambient occlusion is affected by exposure when export from sequencer

Camera viewport hotkeys shouldn't affect Sequencer timeline when the viewport is focused

When Mobile Deferred Shading, the DBuffer Decal is affected by metallic value

Use Deferred Shading (r.Mobile.ShadingPath=1) Enable DBuffer Decal All Lights’s mobility is Static Decal Material settings : Material Domain - Deferred DecalBlend Mode - TranslucentDecal Blend Mo ...

SceneCapture2d affects Niagara GPU particles with translucency sorting enabled

The issue comes from sorting being abled while having a scene capture actor. The enclosed 7z contains assets relevant to reproducing the issue. ...

Saving a level with a sequence open can affect a component's velocity

It looks like a component will have a velocity calculated and saved when animated by a sequence during a level save.  ...