MetalRHI Asserts When Using "Profile GPU" With RHI-Thread/Parallel-Execution

UE - Graphics Features - Sep 14, 2016

When the RHI thread is enabled (with or without parallel-execution) for Metal it isn't currently possible to run "profilegpu" because the GPU timestamp emulation code isn't multi-thread safe and pro ...

[CrashReport] Assertion failure in NameTypes.h after CookOnTheFly

UE - Foundation - Core - Apr 25, 2017

This is a top crash occurring for users in the 4.14 and 4.15 releases. Unfortunately no user-descriptions of the issue have been provided, so information is limited. Despite a different callstack, ...

Draw to Render Target Android Regression

UE - Graphics Features - May 15, 2019

Regression in Draw Material to Render Target functionality. Enabling Mobile HDR is a workaround. Android tested with Note 4 Unable to verify Main CL 6395234 (Crash on Phone) No repro on iOS mo ...

[CrashReporter] UE4Editor-AlembicHairTranslatorModule!ParseObject [AlembicHairTranslator.cpp:446]

UE - Editor - Content Pipeline - Import and Export - Dec 13, 2019

Generated from CrashReporter Error message: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x60b40008 Comments from Users: I cant import abc hair from Blender 2.81a. crashe ...

[CrashReporter] UE4Editor-PropertyEditor!FPropertyNode::GetDiffersFromDefaultForObject(FPropertyItemValueDataTrackerSlate &,UProperty *) [PropertyNode.cpp:1634]

UE - LD & Modeling - Terrain - Landscape - Sep 13, 2019

Generated from CrashReporter ErrorMessage: Unhandled exception Callstack similar to [Link Removed] comments from community: Clicked on a procedural grass node in the Brushify material This ...

Clean up NaN checks in CharacterMovementComponent

UE - Gameplay - Player Movement - Mar 1, 2016

Some old NaN checks in character movement use checkf() which will crash, those should be ensures. Other code is inconsistent in using either ENABLE_NAN_DIAGNOSTIC (with side effects), and some users ...

Several issues with 4.25.1 and Win 7

UE - Graphics Features - Jun 22, 2020

Users are reporting issues with the 4.25.1 hotfix and Win 7, including running cooked builds and the editor crashing: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1755531 ...

Failing to compile global shaders with OpenGL4 enabled

UE - Rendering Architecture - RHI - Oct 13, 2020

OpenGL is supported but deprecated in 4.26 OpenGL4 is deprecated, you can comment this back in to add it to your targeted RHI list If you comment this back out you can package for Linux without an i ...

[CrashReport] UE4Editor_Engine!ReleaseVertexBuffer() [dynamicmeshbuilder.cpp:299]

UE - Graphics Features - Mar 16, 2018

No user comments in crash group 296 static void ReleaseVertexBuffer(FVertexBuffer& VertexBuffer) 297 { 298 ***** if (VertexBuffer.VertexBufferRHI->GetSize() <= FGlobalDynamicMesh ...

[CrashReport] UE4Editor-Engine!FMaterialShaderMap::ProcessCompilationResults(TArray<FShaderCommonCompileJob *,TSizedDefaultAllocator<32>

UE - Rendering Architecture - RHI - Feb 21, 2020

Generated from CrashReporter ErrorMessage: Assertion failed: Shader [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/Materials/MaterialShader.cpp] [Line: 1811] Comments: Compile ...