Unreal Engine Issues

Adding an Actor Component that is set to Replicate to an Actor that is also set to Replicate disconnects the Client from the Server

Adding an Actor Component that is set to Replicate to an Actor that is also set to Replicate disconnects the Client from the Server. Note: this does not occur if the Actor Component is already added ...

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 ...

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.  ...

AI Perception UnregisterSource Sense == nullptr does not affect pending adds

UAIPerceptionSystem::UnregisterSource according to its documentation should treat Sense == null as targeting all sources, but the code for removing pending sources does not treat Sense == null as th ...