Restart playback after pause at end skips forward

UE - Anim - Sequencer - Sep 12, 2019

[Link Removed] ...

Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.

UE - Niagara - Nov 29, 2019

The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...

When using a SpeedTree asset, a Zero Triangles warning appears

Tools - Nov 25, 2019

When exporting from SpeedTree with LODs + billboard, It seems that a warning is issued by including a material used only by Billboard. Is there a way to deal with it? ...

LogAudioMixer warning results in a decrease of performance

UE - Audio - May 21, 2020

Unable to reproduce. User believes it is directly related to the speaker they are using when it goes into standby mode. If they unplug the speaker, everything runs okay.  After receiving the warning ...

Crash occurs in Hierarchical Instanced Static Mesh of Mesh with MinLOD set to 1 or higher

UE - Graphics Features - Oct 22, 2020

I have attached a reproduction project with the above settings.[Link Removed] It crashes when packaged, launched and moved in-game. This issue seems to occur when there is an object in the Unbuilt ...

Can not find abstract class in actor class dropdown list in GetAllActorsOfClass node

UE - Gameplay - Blueprint - Dec 15, 2020

The behavior of non-variable class pins has changed in 4.26 where abstract classes like AInfo are being excluded from class pickers for general utility functions like GetAllActorsOfClass. This is no ...

GetAllMobileRelevantLayerNames drops those layers which are only connected to RuntimeVirtualTextureOutput Node

UE - Graphics Features - May 6, 2021

in UMaterial::GetAllReferencedExpressions, the mobile branch ignores every CustomOutputExpressions including RuntimeVirtualTextureOutput. ...

Starter content won't appear if created new C++ project with the same name as a deleted C++ project

UE - Editor - Workflow Systems - Dec 14, 2021

Created a C++ project with starter content and then deleting the project and making another C++ project with starter content with the project name the same as the previous project causes starter con ...

[Impulse Response] - Opening an Impulse Response asset throws errors in the Output Log

UE - Audio - Nov 4, 2022

Errors are appearing in the log when opening an Impulse Response asset type. This does not occur in Release-5.0 and is a regression. Note: The IR appears to still work normally as part of a Submix E ...