Unreal Engine Issues

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 ...

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 ...