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 ...

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

Collections in content browser can't display native classes on 4.26

The filter in UContentBrowserClassDataSource::CompileFilter does not work because the enumerated class objects are FName without path, while the filter item is name with path. [Image Removed] ...

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 ...

Hide Categories in a blueprint will not affect categories in inline components

This occurs because ObjectPropertyNode.h will only check if a category is hidden for it and its subclasses. It should also be checking the parent's categories if it's an edit inline component. ...