Screen Aligned UVs render incorrectly in Stereoscopic

UE - Platform - XR - Mar 28, 2016

Textures with ScreenAlignedUvs do not render correctly in stereoscopic (on the Oculus Rift). Does not reproduce using the DK2. Found on 4.11 Binary CL-2923993 ...

Exponential Height Fog is not working

UE - Graphics Features - Dec 28, 2015

Exponential Height Fog has no effect on the level. Adjusting the fog density has no effect either. Tested in 4.11 stream CL-2811790 ...

BeginPlay not called for Post-Process Anim Instance

OLD - Anim - Oct 29, 2019

Post-Process Anim Instances do not have BeginPlay called. The proposed fix is to addif (PostProcessAnimInstance) { PostProcessAnimInstance->NativeBeginPlay(); PostProcessAnimInstance->Blu ...

Sequencer particle toggle tracks evaluate one extra frame

UE - Anim - Sequencer - Jul 1, 2020

It looks like particle toggle tracks use TimeRangeToNumberRange which gives the incorrect range as a result of CL 10893518 which fixed [Link Removed]. ...

Deterministic cooking issue caused by ParticleModuleTypeDataGPU

UE - Niagara - Jan 18, 2021

This problem is similar to the following case. [Link Removed] [Link Removed] It seems to have been fixed in 4.16, but the licensee reported it in 4.25. ...

Can't connect Date Time and Time Spawn pins to math nodes

UE - Gameplay - Blueprint Editor - Feb 2, 2023

we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...

Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one

UE - Graphics Features - Mar 27, 2023

There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...

Adding Images: The image header is unrecognized

RC - Editor - Feb 14, 2025

This issue occurs only on Windows 11 24H2, but it affects all RealityCapture versions on this OS. It is allso not possible to open the images with the Windows Photos App.  ...

Crash in FLandscapeRenderSystem on Mobile

UE - Graphics Tools - Terrain - Landscape - Aug 4, 2021

Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...

Crash upon taking a screenshot on Gear VR

UE - Platform - XR - Jul 13, 2017

Using the shot console command or the RequestScreenshot function to take a screenshot in Gear VR causes the app to crash. This was tested on Android-19, ETC-1 configuration, with both Developer Mode ...