Parameters end up associated with the wrong layer after certain material layer swaps

UE - Rendering Architecture - Materials - Mar 6, 2023

The licensee has also provided an explanation as to why this issue occurs + guidance for a potential fix. Please see the UDN for more details. ...

Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set

UE - Gameplay - Blueprint - Jun 14, 2017

When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...

ES2 Fallback Fails on Nougat Devices that do not support Vulkan

UE - Platform - Mobile - Aug 28, 2016

Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...

Game does not exit when exited through SteamVR UI

UE - Platform - XR - Oct 13, 2016

Previously the game would crash (see: [Link Removed]), but the fix now keeps the game running without VR instead. ...

Spatialization is inaccurate on iOS/tvOS

UE - Audio - May 9, 2017

Also occurs in 4.16 Tested on iPhone6S+_4982 OS: 10.2.1 and tvOS 10.2 ...

Crash clicking on the Reload button in the Modules window

UE - Foundation - Core - Jun 5, 2017

Editor is crashing when clicking on the reload button within the modules window of the editor. This also occurs in 4.16 so not a regression. ...

Undo rename of Anim Curve in Anim Curves tab duplicates that curve

OLD - Anim - Jun 12, 2017

Undoing the renaming of an Anim Curve in the Anim Curve tab causes the curve to be duplicated. Not a regression from 4.16.2. ...

Crash when referencing GearVRController

UE - Gameplay - Blueprint - Jul 10, 2017

SamD and I noticed that in 4.17 the GearVRController component wasn't appearing in searches in the editor. This crash doesn't occur in 4.16.1 ...

[CrashReport] GPU Hang on Linux - /usr/lib/nvidia-381/libGLX_nvidia.so.0

UE - Platform - Linux - Aug 16, 2017

This is a trending GPU hang crash on Linux in 4.16 and 4.17. It is similar to [Link Removed] (nvidia-375) ...

LandscapeComponent generates incorrect OccluderVertices for software occlusion

UE - LD & Modeling - Terrain - Landscape - Sep 17, 2019

OccluderVertices didn't consider the subsection's transition, so the position of the OcclusderVertices are not correct. I made a fix as follows: [Image Removed] [Image Removed] ...