Volumetric Lightmap Holes Appear Every Fifth Build

UE - Graphics Features - Sep 11, 2018

Volumetric lightmap holes appear every fifth build.  Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4348893 ...

Merged Instanced Static Meshes (Merge Actors tool) not visible when duplicated

UE - World Creation - Worldbuilding Tools - HLOD - Sep 19, 2018

Instanced Static Mesh Actors created with (new in 4.20) ISM Merge tool do not immediately appear when duplicated. Confirmed in 4.21 Main @ CL 4374913 ...

Digital Human Missing PhotorealEyeGeo StaticMesh

Docs - Samples - Nov 2, 2018

The static mesh "PhotorealEyeGeo" does not show up in the 4.20 version of this sample project. Found in CL# 4369336 and 4.21 CL#4534309 in the game-dev launcher This is a regression. ...

Adding a Pass By-Reference input parameter to an event dispatcher is allowed, but causes a warning when called.

UE - Gameplay - Blueprint - Nov 19, 2018

You can add a pass-by-reference input variable to an Event Dispatcher, but it will will result in compile warnings, and changes to that input will not affect the value of the variable in the caller. ...

Niagara Component is considered for GetActorBounds With "Only Colliding Components" Enabled

UE - Niagara - Dec 27, 2018

Niagara Component is considered for GetActorBounds With "Only Colliding Components" Enabled. Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4666322 ...

[Feature Request] ReferenceViewer: Accept dynamic collection

Tools - Oct 29, 2019

In 4.23, Setting a dynamic collection to the collection filter slot does not display any result. And there are no information about dynamic collection doesn't work in collection filter. (FCollectio ...

shared texture sampler doesn't work in mobile

UE - Platform - Mobile - Systems - Jan 5, 2023

In mobile preview or android device in 5.1 release, M_SharedTexture_Inst material does not render properly due to exceeded sampler slot limit. there was no problem in 5.0.3 ...

Water body constructor dirties actor

UE - Graphics Tools - Terrain - Water - May 29, 2024

Modify gets called from AWaterBody constructor: WaterSplineMetadata->Reset(3); WaterSplineMetadata->AddPoint(0.0f); WaterSplineMetadata->AddPoint(1.0f); WaterSplineMetadata->AddPoint ...

Poor Vulkan RHIThread performance in Development builds on some Android

UE - Platform - Mobile - Systems - Dec 10, 2024

Community-attempted workaround received in [Link Removed] Closed Correct fix submitted to 5.6 FNMain in [Link Removed] whic ...

Lyra host can't hear client movement sounds.

UE - MVF Character - Animation - Aug 25, 2022

Repo 5/5  The host can not hear the landing sound from the clients but can hear it's own sounds. Gun sounds are unaffected.  The client footstep sounds are also being affected. ...