Assert when tracing animations with Linked Anim Graphs

UE - Anim - Runtime - Oct 19, 2021

An assert fires related to the node index for the linked animgraph node being the same as the node index for the root node in the linked anim graph. Can be worked around by commenting out the check ...

Create a high poly version of the base sphere

UE - Content - Engine - Nov 23, 2021

We have an issue with artefacting of virtual shadow maps on low poly meshes: [Link Removed] We would like to request a higher polygon version of the sphere for UE5's release/starter content, which ...

Actors set to Spawnable are not trackable by a camera once they've spawned

UE - Anim - Sequencer - Jan 18, 2023

Tested in //UE5/Release-5.0 CL20979098 this is a regression. Attachment is of UE 5.0.3. Actors set to Spawnable are not trackable by a camera once they've spawned. The camera will track the actor w ...

Multicast RPCs called from standalone instance are not recorded into replays

UE - Networking - Dec 13, 2023

This seems to have regressed because of the fix to [Link Removed]. Because UWorld::InternalGetNetMode now only returns the DemoNetDriver's NetMode when it is recording and in its tick, the multicast ...

Each bone scales are improperly applied in the physical animation

UE - Simulation - Visual - Feb 4, 2025

Suggested fix from licensee is : PhysAnim.cpp@339 #if 0 FVector RelPos = RecipScale3D * RelTM.GetLocation(); #else FVector RelPos = (BoneIndex == 0) ? RecipScale3D * RelTM.GetLocation() : Rec ...

Crash when copying PF_Stencil format from the GPU to the CPU

UE - Rendering - Architecture - RHI - Oct 18, 2023

This is a crash related to copying depth-stencil render targets to the CPU. See linked UDN for more info. ...

GetActorsPerception useless in 4.7

UE - AI - Mar 11, 2015

The new AI Perception system's BP API, marketed in release notes, depends on UAIPerceptionComponent::GetActorsPerception, that, as one AnswerHub user points out, is useless due to a buggy condition ...

The AnimBlueprint Shows Duplicate Objects in the Debug Filter

UE - Gameplay - Blueprint Editor - Sep 3, 2015

The AnimBlueprint shows duplicate characters in the Debug Filter causing three effects: 1. Causes breakpoints not to function properly 2. Reverts back to "No debug object selected" in the Filter rat ...

Material Expression Reference Page: "Inputs" and "Outputs" definitions reversed from illustration

On the Material Expression Reference Page, located here:https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/ExpressionReference/index.html Material Expressions has an image numbered ...

uncaught exception: out of memory after launching project onto HTML5 (32-bit browsers)

UE - Platform - Mobile - Mar 20, 2017

First person template project is struggling to run on Firefox 32-bit Version 52.0.1 and eventually throws an "uncaught exception: out of memory" error. Occurs in both BP and C++ projects. May be a ...