Unreal Engine Issues
Unreal Engine Issues
All console variables overridden in Movie Render Queue are set to 0 after the render queue runs
UE - Anim - Sequencer - Aug 4, 2020All console variables overridden in Movie Render Queue are set to 0 after the render queue runs. It's because all cached previous console variables are reset to 0 just before they are written back ...
Opening Project with MSI Afterburner/Riva Tuner running causes GPU Crashed or D3D Device Removed crash
UE - Rendering Architecture - RHI - Apr 5, 2022When creating or opening any project from Live UE5 binary, the editor will crash. Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Util.cpp] [Line: 859] hr faile ...
Building development version on Linux fails due to iOS folder structure
UE - Platform - Linux - Jun 26, 2017In the default Linux folder configuration, Engine/Source/Runtime/Core/Public contains two folders, iOS and IOS. The iOS folder contains the files IOSCriticalSection.h and IOSCriticalSection.h while ...
Persona code calling incorrect extenders when building menus.
OLD - Anim - Jan 25, 2017Certain files for building menus is calling the wrong extenders List of known conflicting functions:FSkeletalMeshEditor::ExtendMenu() [Engine\Source\Editor\SkeletalMeshEditor\Private\SkeletalMeshEd ...
Morph Targets Get Overridden By APEX Cloth
UE - Simulation - Physics - Character - Nov 4, 2016Using a material element with Apex cloth will override the morph targets so that they have no effect. This issue didn't exist in 4.10 and seems to have been introduced in 4.11 due to the many optim ...
Some landscape grass instances floating when generated on AMD cards under OpenGL
UE - Graphics Features - May 15, 2015User is reporting grass at the edge of their landscape being generated floating in the air on a Mac Pro with AMD GPUs. I have been unable to repro this on my Mac Mini with Intel Graphics HD 4000. Q ...
Changing BlueprintCallable function's code results in Warning in blueprint that should be considered an Error
UE - Gameplay - Blueprint - May 3, 2016A user reported an issue where, if a BlueprintCallable function's parameters are edited, a blueprint using a BlueprintCallable function will give warnings instead of an error for a problem after the ...
AnimCurveCompressionSettings is reset to CompressedRichCurve at editor startup
OLD - Anim - May 21, 2019AnimCurveCompressionSettings's codec is reset to CompressedRichCurve when user open the project, so user can not keep the state changed to UniformlySampled. The following code in the constructor of ...
[GPU Lightmass] bake artifact w/ two actors of same static mesh
UE - Graphics Features - Jun 22, 2022As per a bug report from Pixomondo: if there are two static meshes in the scene and one has a rotation, it gets a GPULM bake artifact as if it is intersecting with the unrotated version of itself. S ...
Slow while replacing actor in large open world
UE - DEET - EditorPerformance - Nov 8, 2022Licensee: "Content creators from my team have reported that when they replace actors in an open world it can take more than 10 seconds. This is with several thousand actors loaded in the world. On m ...