Unreal Engine Issues
Unreal Engine Issues
CSM Cached Shadows missing when changing FOV
UE - Rendering - Graphics Features - Shadows - Mar 30, 2026When changing the camera FOV with r.Shadows.CSMCaching enabled, the cached shadows don't appear to be used and shadows are missing. This occurs because the r.Shadow.RadiusThreshold can be low enoug ...
Rendering glitch when launching on Android
UE - Platform - Mobile - Aug 2, 2016https://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, 2016If 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, 2021Scaling a SceneCapture2D from Default Scale will cause Decals to Disappear in the Render Target
UE - Graphics Features - Dec 6, 2016When 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 ...
[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()
UE - Graphics Features - Mar 6, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
Negative values in Display 1.7 of the Math_Hall map are not graphed correctly in ContentExamples
Docs - Samples - May 4, 2017This is a regression from 4.15.2 ...
ARCore - "Get Supported AR Video Formats" returns empty on Android
UE - Platform - XR - Dec 18, 2019Get 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 ...
If you use a transparent Material for one of the multiple materials, it will always show up in the raytraced reflection.
UE - Graphics Features - Lumen - Sep 15, 2021Iris - BeginPlay not called on client for statically placed, low-priority replicated actor
UE - Networking - Iris - Dec 11, 2025On the client, NotifyBeginPlay is triggered via AGameStateBase::OnRep_ReplicatedHasBegunPlay. However, if a replicated actor is waiting on its initial replicated state to be received and applied (bA ...