Lens Flares are appearing in Other Player's Windows

UE - Graphics Features - Jul 28, 2015

On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...

TrueDepth API Included when Face Support is disabled

UE - Platform - XR - Nov 8, 2019

Licensees are reporting app rejections from Apple with the message "Your app includes TrueDepth APIs. However, we were not able to locate any features in your app that use TrueDepth APIs." ...

SWidget: Add support for ScrollBox in GlobalInvalidation mode

UE - Editor - UI Systems - Slate - Sep 1, 2020

SScrollBar SScrollBarTrack SScrollBorder SScrollBox ...

GoogleVR - Crash opening application on device: FATAL EXCEPTION: MainThread-UE4

UE - Platform - XR - Oct 30, 2018

GoogleVR package for android crashes on startup with the following error:10-30 11:36:52.658: E/AndroidRuntime(12189): FATAL EXCEPTION: MainThread-UE4 10-30 11:36:52.658: E/AndroidRuntime(12189): Pr ...

Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes

UE - Niagara - Feb 17, 2022

The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...

Linux crash upon opening maps in Soul: City content pack

UE - Graphics Features - Jan 29, 2018

Opening the maps from the Soul: City asset pack on Linux causes a crash. This seems to be rendering related. It was originally reported as a Vulkan specific issue but we've reproduced it without Vul ...

Possible: JPG encoding for Highscreenshot broken in 5.1 Linux build

UE - Platform - Linux - Feb 10, 2023

UDN report of JPG encoding not working: [Link Removed] Can we ask QA to try to repro? ...

iOS - Graphical distortion when packaging with Metal Desktop Renderer v2.1 turned on

UE - Platform - Mobile - Feb 3, 2021

Marking as a regression as this issue does not occur in 4.25.4 ...

Open Level Crash in Gear VR

UE - Platform - XR - Oct 5, 2016

Projects using Open Level (blueprints) or ServerTravel (in C++) will crash the application once it's open on a device using Gear VR Mode. 10-05 18:01:46.451: A/art(19619): sart/runtime/check_jni.cc ...

D3D11 error when opening a level after version change

UE - Graphics Features - Sep 23, 2015

After converting from 4.7.6 to 4.9.1 specific maps won't open and will crash the editor with a D3D11 error. This has been reported by multiple users but has not been reproduced internally. CrashRe ...