Unreal Engine Issues

Unable to fix up redirector of assets used in level instances

If another persistent level is open, the fix up can work. ...

FBX exporter does not support Level instances

'GetClassDefaults' Can Cause Blueprint To Become Modified When Unrelated Blueprint Is Compiled

The stems from a really old change (CL 2948683) to fix [Link Removed]. Compiling ObjectA will call RefreshExternalBlueprintDependencyNodes on its dependent BP,  ObjectB_ReferencesA, which reconstru ...

Assertion failed on reimporting FBX scene

Following code works as a work around : void SFbxSceneStaticMeshReimportListView::OnChangedOverrideOptions(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo) { #if 0 check(ItemSele ...

SwapRootBone_Actor ignores a relative rotation

When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...

Landscape height data gets cleared when working with partially loaded landscapes

Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values

Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...

Usd wrapper uses TCHAR_TO_ANSI conversions causing path issues with basic extended ASCII character set

It seems that a simple change from TCHAR_TO_ANSI to TCHAR_TO_UTF8 in UE::FUsdStage OpenStageImpl() fixes the issue. ...

iOS Quick Launch from the Editor no longer starts the app on device

For some reason, iOS apps no longer launch on device when using QuickLaunch within the Editor.  Instead, it does install the app onto the device, but when it attempts to then launch the app, a messa ...

LidarPointCloud plugin causes crash on startup in packaged game on Mac