SingleLayerWater with PixelDepthOffset gives wrong refraction

UE - LD & Modeling - Terrain - Water - Oct 29, 2020

We can see refraction gets distorted after we have a bigger PDO value, and it's not because the depth is more shallow, but looks like some kind of scene color texture lookup error. Also, not sure i ...

Instanced Impostors Render Black in UE5 editor

UE - Graphics Features - Jun 13, 2022

LiDAR assets do not render in after relaunching the engine

UE - Editor - Content Pipeline - Datasmith - Aug 15, 2023

LiDar point clouds are failing to render when saving and relaunching the project This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is occurring in //UE5/Release-5.3 @ CL 2600198 ...

Creating 3 player splitscreen causes viewport to go black on PIE

UE - Graphics Features - Feb 13, 2015

If a game is set to play with 3 player splitscreen, starting the came will cause the viewport to go completely black. Does not occur with 2/4 players. Does not occur in standalone ...

Issues converting enum to byte in BP

UE - Gameplay - Blueprint - Sep 8, 2015

User experienced unexpected AI behavior and was kind enough to share a stripped down version of the project. I was able to nail down issues user was experiencing to failed enum-to-byte conversion. U ...

iOS - Launch On - Application Crashes on device, on iOS 8 devices

UE - Platform - Mobile - Jul 20, 2016

Blueprint Template Launch On from Mac crashes on device. ...

Adjustments to the GearVR IPD do not seem to work

UE - Platform - XR - Nov 11, 2016

A user is reporting that enabling the override for the IPD with GearVR doesn't work. They would like to be able to change this value at runtime. Setting the "bOverrideIP=True" and "IPD=" values in ...

WorldCoordinate3Way produces Incorrect Axis Lerps

UE - Graphics Features - May 18, 2016

The Material Function WorldCoordinate3Way seems to incorrectly perform the Lerps from the axis contributions of the normals. An example is show here, with the left objects using the version that com ...

ETraceTypeQuery and EObjectTypeQuery not fully exposed to Python

UE - Editor - Workflow Systems - Oct 5, 2021

The ETraceTypeQuery and EObjectTypeQuery enums declared in EngineTypes.h aren't fully exposed to Python. Both enums have 32 entries, but Python is only aware of the first 2 for ETraceTypeQuery and t ...

Sampling UV1 on a Nanite mesh with one UV channel returns a constant value

UE - Rendering Architecture - May 17, 2023

This is general for any UV channel past what the static mesh has, rather than specifically for UV channel 1. ...