Image appears blank when using Export Render Target on Android

UE - Platform - Mobile - Sep 25, 2019

When using the node Export Render Target it appears that the image produces does not display as expected and appears blank when used on Android ...

Ribbons Don't Follow Their Source Particles When Scaling

UE - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

Bloom intensity broken with Post Processing Material replacing Tonemapper

UE - Graphics Features - Sep 25, 2020

When replacing the Tonemap using a Post Process material, the Post Process Volume's Bloom Intensity can only be turned on or off, without varying degrees of effect. Reported in version 4.25.3(CL 1 ...

DistanceFieldBentNormalAO does not appear to work with imposter UVs

UE - Graphics Features - Aug 26, 2021

I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...

Media I/O - Capture option Crop/Center return on the top left instead

UE - Virtual Production - IO - Media - Dec 13, 2022

AutoCreateRefTerm UFUNCTION meta specified can interfere with function default arguments

UE - Framework - Blueprint Editor - May 25, 2023

Example function provided by the user:.h UFUNCTION(BlueprintCallable, meta = (AutoCreateRefTerm = "TestInt,TestName")) static void TestAutoRefs(const int32& TestInt = 2, const FName& TestName = ...

Strange results with HeightToNormalSmooth on Nanite meshes

UE - Rendering Architecture - Jun 3, 2024

This appears to also occur on meshes that aren't set to Enable Nanite at all.  [Image Removed] ...

AnimNotify Issue with LevelSequencer Actor with URO

UE - Anim - Runtime - Anim Blueprints - May 19, 2025

Sometimes AnimNotify does not fire when an animation is executed under the following conditions. 1. The CharacterMesh's AnimationMode uses UseAnimationAsset 2. CharacterMesh's URO is enabled (Enable ...

Lighting Incorrect in Orthographic Camera View

UE - Graphics Features - Mar 8, 2015

Reproduced in Main Promotable-CL-2471062 Point Lights in Orthographic Camera View will render a light streak on Default Lit Sprites. [Link Removed][Link Removed] ...

Static light reflections do not honor Min Roughness settings for lights.

UE - Graphics Features - Aug 10, 2015

When using static lighting with Reflection Captures, the light sources Min Roughness setting is not honored. This is part of the new update for Reflection Capture Actors to render the light shape ...