Volumetric lightmap + stationary light has missing shadows

UE - Rendering - Architecture - Sep 5, 2023

Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...

Twinmotion sign-in error when attempting sign-in inside app

TM - Core - May 18, 2026

Reported in SF [Link Removed] Attempting to sign into Twinmotion from within the TM 2026.1 editor results in a consistent sign-in error using the sign-in buttons. Initial sign-in during launch whe ...

VR Mode Transform Gizmo no longer renders in front of selected assets

UE - Graphics Features - Dec 1, 2017

While in VR Mode, the Transform Gizmo typically renders translucently on top of assets when the selection laser is not interacting with the selected asset. This achieves a level of parity with Deskt ...

Enable SkinCache stretches the Cloth Sim

UE - Simulation - Physics - Character - Sep 26, 2019

[Image Removed] ...

When set the current language and asset group to different languages, the asset group will not work

UE - Editor - UI Systems - Localization - Nov 22, 2020

When set the current asset group language in a particular process, the asset refers to the "source asset" and output warning log. LogPackageLocalizationCache: Warning: Skipping the cache update for ...

The LOD is not reflected in Shadow when r.ForceLODShadow is set

UE - Graphics Features - Dec 16, 2020

When I looked into this feature, I noticed that ForceLOD was not set by the code below. Therefore, I confirmed that only Shadow can change LOD by changing as follows.[Link Removed] ...

BundleDisplayName is not localized for packaged IOS project created with RemoteBuild

UE - Platform - Mobile - Jan 4, 2023

When creating IOS package with RemoteBuild, bCreateStubIPA is set to True by the following code.public bool Build(TargetDescriptor TargetDesc, FileReference RemoteLogFile, bool bSkipPreBuildTargets) ...

Setup.sh can fail on Ubuntu server

UE - Platform - Linux - May 3, 2017

update-desktop-database (desktop-file-utils package) may not be installed (and it is not installed by default on servers). Setup.sh fails in that case currently. ...

Scene Capture 2D: additive mode not working in 4.19

UE - Graphics Features - Apr 20, 2018

Additive Composite Mode is not behaving as expected in 4.19 User reports that Composite mode is also affected. ...