Crash on Adding Elements to Array On Instance of Actor in the Level

Tools - May 25, 2018

When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...

SSR on Translucency is not affected by Post Process Volume

UE - Graphics Features - May 24, 2018

Screen space reflections on translucent materials are not affected by post process settings. Any changes made to SSR settings in the volume will do nothing to a material that is set to the transluce ...

Nativized Blueprint class may fail to compile for some native noexport struct types exposed through a user-defined struct.

UE - Gameplay - Blueprint - May 24, 2018

This occurs because the MakeStruct node will create a literal term for each input if nothing is connected. However, there is no explicit handling of some native 'noexport' struct types (e.g. FVector ...

SteamVRAssetManager color format mismatch

UE - Platform - XR - May 23, 2018

User requests that TSF_BGRA8 in SteamVRAssetManager.cpp be changed to TSF_RGBA8 to match OpenVR API https://github.com/ValveSoftware/openvr/wiki/IVRRenderModels::LoadRenderModel SteamVRAssetManage ...

Importing folder with a period in its name causes crash

UE - Editor - Content Pipeline - Import and Export - May 15, 2018

Folders with periods in the name will crash when attempting to import them. ...

Crash in UHierarchicalInstancedStaticMeshComponent::GetOverlappingSphereCount

UE - World Creation - Worldbuilding Tools - Foliage - May 15, 2018

A licensee has reported a regression from 4.18.3 to 4.19.2 that is causing crashes to occur in their project. The crash occurs when walking onto their foliage in a packaged game. This does not happe ...

bRenderInMainPass of SkeletalMesh doesn't Work on Mobile

UE - Platform - Mobile - May 14, 2018

bRenderInMainPass of skeletalMesh doesn't work on mobile. Even if bRenderInMainPass is set to false, SkeletalMesh will be drawn on MainPass on mobile. Licensee has shared the following correction c ...

Crash when calling a RPC function with a TSet or TMap parameter on a client

UE - Networking - May 11, 2018

Calling a RPC function with a TSet or TMap parameter on a client causes the editor to crash. Regression?: No This also occurs in 4.18 ...

editor rotation widget no longer correctly displays the degrees rotation label on high resolution displays

Tools - May 10, 2018

The editor rotation widget no longer correctly displays the degrees rotation label in a high resolution environment. ...

Light in Volumetric Fog offset in VR with Instanced Stereo and Forward Shading enabled

UE - Platform - XR - May 10, 2018

Light inside Volumetric Fog is offset in the right eye when viewing in VR with Forward Shading and Instanced Stereo Enabled If just Forward Shading or Instanced Stereo is enabled, this does not occ ...