USE_EQS_DEBUGGER affects runtime EQS results in SingleResult mode

UE - AI - EQS - Mar 26, 2020

The licensee described it really well so I'll just copy what he said: When EQS debugging is enabled via USE_EQS_DEBUGGER, queries run in 'SingleResult' mode will not clear discarded items from the ...

Multi-process cooking does not complete in UE5.3.0

UE - Foundation - Data Pipeline - Cooker - Sep 26, 2023

Projects with multi-process cooking enabled will not complete packaging. If MPCook is disabled, packaging can be completed.  ...

DrawDebug elements on screen affect aspect ratio letterboxing

UE - Rendering Architecture - Nov 1, 2023

During gameplay when the view target camera's aspect ratio is not exactly the viewport's aspect ratio, the presence of rendered debug draw elements (DrawDebugArrow, etc) makes the viewport's rendere ...

Landscape Transparent with r.Lumen.DiffuseIndirect.Allow 0

UE - Graphics Tools - Terrain - Landscape - Jul 31, 2024

XR -ARKit - Tracked Planes are not attached to the real world objects when moving the camera around

UE - Platform - XR - May 22, 2024

When the user attempts to place an object on a tracked plane it slides around the environment not staying in the expected place. Using the ARDebugcheck project with the show planes option you can se ...

Crash when making Android package in SlateTextShaper.cpp

UE - Editor - UI Systems - Slate - Apr 7, 2020

Crash when outputting garbled text when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should ...

[CrashReport] UE4Editor_Engine!UMaterialExpression::GetOutputType() [materialexpressions.cpp:859]

UE - Rendering Architecture - Materials - Nov 21, 2017

This is an infrequent crash in the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 849 uint32 UMaterialExpression::GetOutputT ...

Assertion failed on reimporting FBX scene

UE - Editor - Content Pipeline - Import and Export - Aug 7, 2024

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

BokehDOFRecombine Incurs Cost Even While DOF Is Not Enabled

UE - Graphics Features - May 17, 2017

While separate translucency is enabled DOFRecombine will incur a cost even when not using DOF (Scale of 0 or blur size of 0). Maybe we can check to see if those values are == 0 (meaning DOF is effec ...