Unreal Engine Issues

Ray Traced Shadows ignore mesh occlusion on water when enabled

A forum user reported an issue where object geometry occlusion would be missing when Ray Traced shadows were enabled. I was able to reproduce the issue internally where occlusion seems to be missing ...

If an ensure() fails within an automated test, the test can still show a positive result.

If an ensure() fails within an automated test, the test can still show a successful result. ...

Crash when loading iCloud/CloudKit SaveGame on iOS

"...it seems the crash occurs because it is trying to load an empty (0 byte) save file. Stepping through the code in Engine/Plugins/Online/IOS/OnlineSubsystemIOS/Source/Private/OnlineUserCloudInterf ...

Event does not fire at end of playback range

Event does not fire at end of playback range. This does work with Forced Fixed Frame Interval Playback so wonder if this is invalid? I have some test content set up in //UE4/Main QAGame QA-Promoti ...

Incorrect Skysphere Material Reflection with Ray Tracing

The reflected Sky material looks blurry and low res when set to unlit, however setting the material to Default Lit has the correct reflection. Even though the reflection is correct the lighting brea ...

Optimization Viewmodes are not visible when Android Preview is enabled

A user has reported that the Optimization Viewmodes menu does not appear with any options when the Preview Rendering Level is set to Android ES2 or ES3.1. Regression?: Yes This did not occur in 4.2 ...

GetAllMobileRelevantLayerNames drops those layers which are only connected to RuntimeVirtualTextureOutput Node

in UMaterial::GetAllReferencedExpressions, the mobile branch ignores every CustomOutputExpressions including RuntimeVirtualTextureOutput. ...

Android Vulkan SM5 crash at startup

Level BP causes GLEO on level duplicate

NOTE that this error doesn't occur for class blueprints (and trying to duplicate them), or after you remove the delegate reroute node. ...

Build failure packaging for android with GoogleVR plugin enabled

Android is failing to package when GoogleVR is enabledUATHelper: Packaging (Android (ATC)): UnrealBuildTool: BUILD FAILED UATHelper: Packaging (Android (ATC)): UnrealBuildTool: C:\NVPACK\android-sd ...