BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers

TM - Rendering - Apr 22, 2025

Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...

Differences in Post Process FX between Minimized and Maximized Viewport

UE - Graphics Features - Apr 19, 2016

When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...

Landscape UI Elements are not visible

UE - LD & Modeling - Terrain - Landscape - Oct 4, 2016

Per conversation between Gareth and Mike, it was determined the Landscape tool is in Game Mode by default. Within the Landscape Tool, all UI elements are disabled by default. This has been observed ...

Android Back Button go to Oculus home when using Gear VR

UE - Platform - XR - Mar 7, 2016

This is regression from 4.10 functionality. When assigning the Android Back Button functionality in a GearVR project, the back button will now bring up the Oculus Home Screen asking if you would lik ...

Lighting Scenarios Map Check warning about multiple skylights not supported

UE - Graphics Features - Dec 5, 2016

When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...

Mesh Decals render Flat when Combined with a Translucent Material Element on the same Mesh

UE - Graphics Features - Jan 11, 2017

A licensee is reporting an issue with mesh decals rendering incorrectly when created as a Material ID (Material Element) and assigning a translucent material to the shared mesh. The use case exampl ...

Crash when setting Texture Target for Render Target 2D created at Runtime

UE - Graphics Features - Feb 2, 2017

A crash occurs when creating a Render Target 2d and setting the texture target at runtime. After running some more tests, the crash seems to occur when setting the texture target, as the creation o ...

Hot reloading changes to a struct causes data table assets to break

UE - Gameplay - Mar 28, 2017

If a data table asset is based on a custom struct, making changes to and hot reloading the struct will not update the data table in the editor. Restarting the editor will prevent the data table fro ...

SunTemple scene does not update properly on iPhone 6S

UE - Platform - Mobile - Jul 18, 2017

On the 6S, the SunTemple scene is almost unresponsive. As the player uses the thumbsticks, the lightmaps from the windows rotate to mach the player's movement; but they are the only thing. This doe ...

FObjectReplicator::ValidateAgainstState may validate against the wrong buffers

UE - Networking - Oct 22, 2018

In 4.14, changes were introduced to share replicated state between objects on the server (Shadow State) this was done to allow sharing property comparisons to determine when objects needed to replic ...