Unreal Engine Issues

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 ...

Incorrect physics interaction on rotated meshes using Complex as Simple collision

Incorrect physics interaction on rotated meshes using Complex as Simple collision. *This is a regression Working in 4.13.2-3172292 Not working in 4.14.3-3249277* User Description: When we updat ...

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 ...

[Mac][Metal] (Shadow) Rendering artifacts with 4.11 on Mac.

The first problem noted in this Answerhub post: First one is that static shadows from stationary directional light are completely broken. Screenspace buffer that should contain static shadows is ju ...

Some enums getting reset in released 4.15 preview 2.

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

CoreSymbolication.framework fails to load on macOS 11 Big Sur

CoreSymbolication.framework has moved, likely into the system library cache. The function, FApplePlatformSymbolication::EnableCoreSymbolication probably needs to be updated in order to accommodate.d ...

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 ...