Ensure when closing PIE during Level Sequence playback with spawnables in a streamed level

Anim - Sequencer - Nov 16, 2020

When a spawnable is spawned in a streamed level, exiting PIE will cause an ensure, because the world is not valid on the actor.  ...

Disabling Shadow Denoiser causes raytraced shadows from Rect Lights to disappear

Rendering - Ray Tracing - Nov 6, 2020

Disabling Shadow Denoiser causes raytraced shadows from Rect Lights to disappear ...

Movie Render Queue renders are not displaying Landscapes

Anim - Sequencer - Nov 4, 2020

When creating a Movie Render Queue render with a landscape the render does not display the landscape. This issue is occurring in 4.26 Binary CL 14627614 This issue is NOT occurring at 4.25. Binary ...

Ray Tracing Translucency - Sample settings have no effect

Rendering - Ray Tracing - Oct 15, 2020

Ray tracing translucency samples per pixel settings have no visible effect.  Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...

Crash when opening OculusVRDartsGame without oculus software installed

Online - OSS - Oculus - Oct 6, 2020

Several users have reported crashes when attempting to open the OculusVRDarts game we offer in our [Link Removed] Instead of allowing the engine to crash, we should handle this issue gracefully and ...

HZBOcclusion fails in split screen when using D3D11

Rendering - Oct 6, 2020

r.HZBOcclusion 1 gives incorrect results with split screen on D3D11. With -d3d12 it renders correctly. It also renders correctly if the RenderDoc plugin is enabled or the editor is running with -on ...

Volumetric Material not compiling on Niagara Mesh Renderer

Rendering - Niagara - Sep 1, 2020

The Volumetric Shader seems broken when used along the Niagara Mesh Renderer. Reported and tested in version 4.25.3(CL 13942748). Tested with same result in version 4.24.3(CL 11590370). ...

Unable to open Unreal Engine after cleaning project in XCode

Platform - Mac - Aug 31, 2020

When I have the Epic Games Launcher open as I clean the Xcode project, the top right button will still read "Launch." Clicking on it after the Xcode project is finished cleaning causes the following ...