Material instance changes are not retained whilst using Empty Actor to switch between spawned meshes with blueprints

UE - Graphics Features - May 6, 2021

TestActor references Shape_Cube_2 and Shape_Cube_3.  TestActor blueprint shows the logic 2DSideScrollerCharacter blueprint contains the keyboard control logic. ...

VCAM 2.0 - No signal on iPad from Mac OSX

UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021

UDN case link with this ticket [Link Removed] ...

[CrashReport] UnrealEditor-Engine!UStaticMeshComponent::BuildTextureStreamingDataImpl

UE - World Creation - Worldbuilding Tools - Feb 28, 2022

Generated from CrashReporter ...

MoviePipeline: Incorrect Caching of Min/Max World Delta Time

UE - Anim - Sequencer - MRQ - Jan 31, 2023

To test this issue: Create a C++ class WolrdTimeDilationDebugActor.h in your Project with the following code:// Copyright Epic Games, Inc. All Rights Reserved. #pragma once #include "CoreMinim ...

Chaos Clothing CreateClothActor takes a long time with LODs and Self-Collision

UE - Simulation - Physics - Jan 21, 2024

Spawning an actor with Chaos cloth causes a hitch when LODs or Self-Collision are enabled on the cloth. LODs and Self-Collision seem to compound the issue. Self-Collision requires a collision simul ...

UCommonVideoPlayer/Electra does not work in 5.3

UE - Media Framework - Jan 30, 2024

This appears to be connected to playing immediately upon opening. This behavior is not observed when in the Release-5.1 or Release-5.2 streams. With the same setup, the video will start playing on t ...

[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio

UE - Audio - Dec 12, 2023

If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...

PCG Graph callback fails after compiling blueprint

UE - World Creation - Procedural Tools - Jul 9, 2024

PCG graph callbacks in BP do not appear to get called correctly after the blueprint is compiled. ...

RHIGetAvailableResolutions returns duplicate entries when bIgnoreRefreshRate is false

UE - Rendering Architecture - RHI - Sep 17, 2015

When the RHIGetAvailableResolutions function fills the array that is passed in as the first argument, it will end up filling some slots with duplicate resolutions (including refresh rate) when the b ...

Duplicated blueprints lose components

UE - Gameplay - Blueprint - Nov 2, 2015

Blueprints that have been updated from previous engine versions lose components if duplicated. The original blueprint retains all components but all duplicates lose them. ...