Assert when toggling RHIThread

UE - Rendering Architecture - RHI - Oct 12, 2023

VisionOS deferred renderer regression

UE - Platform - XR - Sep 11, 2024

Deferred desktop renderer does not function correctly on visionOS.  It did work in 5.4.  One problem is the r.XRMSAAMode setting forcing 4 samples even when not using msaa, but there are other probl ...

Horde server fails to build Docker image

UE - Foundation - Horde - Server - Apr 1, 2025

If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...

Rendering glitch when launching on Android

UE - Platform - Mobile - Aug 2, 2016

https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...

4.11 Souce does not compile for Chinese Region

UE - Graphics Features - Apr 20, 2016

If the computer's region is set to Chinese, building the 4.11 engine from GitHub source will fail. Local test failed to build ShaderCompileWorker Community reports fail due to an improper characte ...

The LoadTimeFile argument crashes package at startup

UE - Foundation - Core - Feb 1, 2021

Scaling a SceneCapture2D from Default Scale will cause Decals to Disappear in the Render Target

UE - Graphics Features - Dec 6, 2016

When scaling a SceneCapture2D actor/component any decals there were being rendered within the Render Target disappear. I also noticed that when the SceneCapture2d is set to orthographic, the scale ...

Invalid API documentation file

Docs - Jun 9, 2017

The API.chm file is invalid. Additionally the website API docs are out of date. This is tied to a larger issue with the APIDocTool. ...

ARCore - "Get Supported AR Video Formats" returns empty on Android

UE - Platform - XR - Dec 18, 2019

Get Supported AR Video Formats node only functions on iOS. (ARCore Library has similar 'Get ARCore Camera Config' node currently) Tested with iPad A1701 and Note 9 ...