[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::GetQueryData() [d3d11query.cpp:111]

UE - Graphics Features - Apr 12, 2018

One comment from user in crash group:checking out using source control 107 bool bGPUAlive = GDynamicRHI->CheckGpuHeartbeat(); 108 if (!bGPUAlive) 109 { 110 ***** ...

Comment Box Edges/Corners Do Not Precisely Follow Cursor when Resizing

UE - Editor - UI Systems - Slate - Oct 10, 2017

When resizing comment boxes, the edges/corners do not follow the cursor precisely, especially when the cursor is moved around quickly. On Windows, the cursor will either get ahead of the box or ins ...

HLODs appear dark/near black when built for very large geometry with Virtual Textures enabled

UE - World Creation - Worldbuilding Tools - HLOD - Jan 27, 2025

Building HLODs for a very large landscape with Virtual Textures enabled results in the built HLODs being very dark for the most part. Building the same large landscape's HLODs with Virtual Textures ...

Crash When Loading Cooked Material Assets in Editor Due to Shader Serialization

UE - Rendering Architecture - Shaders - Aug 27, 2025

In Unreal Engine 5.6+, the new shader serialization logic in FShaderMapResourceCode::Serialize does not correctly handle cooked assets that are loaded back into the editor (e.g., from a mounted .pak ...

Cooker is asserting in Class.h on UE 5.7.1

UE - CoreTech - Dec 18, 2025

From the linked EPS case: ---------------------------- In UE 5.7 there were some changes to how Enum member names are stored. This change introduces an assert when cooking using the Editor Debug e ...

FOnlineSessionLive leaves inconsistent state when FindSessions or CreateSession fail.

UE - Networking - Nov 28, 2016

FOnlineSessionLive::CreateSession creates the session early into the method. Later, the method can fail but the session and is never cleared up (see the various catch statements in the tasks which o ...

Ambiguous Search Warning After Recompiling Blueprint of an Object Involved in a Level Sequence

UE - Anim - Sequencer - Apr 18, 2017

The licensee is receiving an ambiguous search warning after recompiling the blueprint of an object involved in a level sequence that is contained in a hidden sublevel (which is then loaded and made ...

UK2Node_EnumLiteral always outputs defaulted (0) value if input pin is connected

UE - Gameplay - Blueprint - Sep 28, 2018

The reported behavior repros in 4.20 and 4.21, but does not repro in 4.19. Regarding the "Literal Enum" node in blueprints: When an input enum value is connected to the input pin, the output is al ...

Object using specific Corona Material Import by default with wrong UVs

UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 29, 2019

CLion cannot update CMake for an Unreal Studio project created on a drive other than the one the Engine is installed on

UE - Foundation - Cpp Tools - Apr 22, 2019

If an Unreal Studio project is created on a different drive from where the Engine is installed, CLion is unable to successfully update CMake. The location for where Engine files can be found appears ...