PlanarReflectionCaptureComponent preview crash

Rendering - Mar 15, 2019

Toggling the Preview Plane boolean for the Planar Reflection Capture Component causes the editor to crash. Tested in 4.22 (CL - 5365847), 4.23 (CL - 5408081) ...

Crash: Unhandled exception UE4Editor_Renderer!FMobileBasePassMeshProcessor::Process

Rendering - Mar 14, 2019

HUD can cause a crash when used with Mobile. "When running from visual studio exception happens here: https://github.com/EpicGames/UnrealEngine/blob/4.22/Engine/Source/Runtime/Renderer/Private/Mobi ...

Editor can crash while performing a Hot Reload after a custom UClass class is added to the project

Core - Hot Reload - Mar 14, 2019

Performing a Hot Reload after creating a custom UClass class can result in a crash. This was reported on Linux, but reproduced on Windows. Additional testing will be done on Linux to confirm the is ...

Certain materials are overly bright with Ray Traced Global Illumination denoiser

Rendering - Ray Tracing - Mar 14, 2019

Ray Traced Global Illumination is causing some materials to glow extremely bright Disabling r.raytracing.globalillumination.denoiser fixes the issue In 4.22 preview 5 binary (5365847) the result i ...

libPhysX3 iOS Bitcode packaging Error with github branch

Platform - Mobile - Mar 13, 2019

Unable to package a CPP project with Bitcode enabled "the github branch uses' GitDependencies' which downloads additional files such as the physx file in question which has the problem" mac/Bina ...

Null access to Unpossessed controller with seamless travel

Gameplay - Mar 9, 2019

The unpossessd controller will not be removed from UWorld::ControllerList unless destroyed. This causes null access to the ControllerList when GC occurs during seamless travel execution. The unposse ...

MDL imported from Substance Source with Datasmith causes a crash

Datasmith - MDL - Mar 8, 2019

MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...

Disabling DBuffer Decals causes Decals not to render

Rendering - Mar 8, 2019

Disabling the Decal DBuffer in the  Project Settings>Rendering causes the Decals to not render on geometry that overlap their respective Decal Actor. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...

When using Lighting Scenario, loading order will affect how it's applied to the instances

Tools - Foliage - Mar 7, 2019

When using Lighting Scenario, loading order will affect how it's applied to the instances, resulting in corruption if content is loaded after the lighting scenario ...

Landscapes with tessellation only produce shadows when selected

Tools - Landscape - Mar 6, 2019

After disabling Static Lighting, shadows only render for Tessellated Landscape when being selected in the World Outliner instead of rendering all of them regardless if it is selected. Tested in 4.2 ...