Particle emitter Depth Fade node isn't accurate on iOS

UE - Platform - Mobile - May 18, 2017

Particle emitter Depth Fade node isn't accurate on iOS. When set to a normal value (around 100) it will fade out at about 65,000 units away from the particle. Licensee Description: we use a partic ...

Skewed Rotation values from camera actors in print string

UE - Gameplay - Sep 25, 2017

When using the camera actor and modifying the rotation values, the values made in the print string do not seem to match the actual values of the camera's rotation. The values appear to be close, but ...

[CrashReport] UE4Editor_Renderer!FProjectedShadowInfo::AddSubjectPrimitive() [shadowsetup.cpp:793]

UE - Graphics Features - Oct 2, 2017

This is a trending crash coming out of the 4.18 Preview. User Descriptionsadded a directional light Source Context 779 const FPrimitiveSceneProxy* Proxy = PrimitiveSceneInfo->Proxy; ...

Rhino Identical sublayer names get numbers appended to corresponding Actors

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018

In Rhino, it is possible to have a layer structure in which different parent layers have identical sublayer names. This is common in situations where you have multiple design options, each as a sepa ...

SetPhysMaterialOverride does not work properly when using Weld Simulated Bodies enabled AttachToComponent func

UE - Simulation - Physics - May 7, 2019

When using Weld Simulated Bodies enabled AttachToComponent func, the child Primitive Component's BodyIstance ActorHandle is released. As a result, in BodyInstance.cpp, the judgment of FPhysicsComman ...

Complex collision mesh might lose its collision in the editor

UE - LD & Modeling - Modeling Tools - Mesh Editing - Feb 18, 2020

This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...

Actor variable type has distractingly large tooltip comment

UE - Gameplay - Blueprint Editor - May 4, 2021

Actor.h has a large comment that describes the entire lifecycle of Actors, which was written for the API website (https://docs.unrealengine.com/en-US/API/Runtime/Engine/GameFramework/AActor/index.ht ...

LLM PlatformProcessMemory calculation ignores VRAM, and its calculation of how much memory is used by the process is too low

UE - Foundation - Sep 29, 2023

FLowLevelMemTracker::TickInternal() the ELLMTag::Total (and therefore ELLMTag::Untracked) memory amounts are calculated based only on the result of FPlatformMemory::GetStats(), which on the Windows ...

Restricted Gameplay Tags cannot be added

UE - Gameplay - Mar 15, 2024

The Gameplay Tags settings have the option to set up restricted tags as described in the documentation. Prior to 5.3, the UI correctly supported creating new restricted tags as described in the old ...

Soft Raytracing Shadows are flickering

UE - Graphics Features - Ray Tracing - Feb 18, 2025

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