Unreal Engine Issues
Unreal Engine Issues
The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset
UE - Simulation - Physics - Dec 9, 2016The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset. You can manually rotate the PhysicsConstraint and it will rotate the AngularLimit visualizer, howe ...
Stationary/Movable Lights render based on distance from World Origin in Orthographic Camera View
UE - Graphics Features - May 20, 2016When using the Orthographic Camera view (such as that used with the Paper2D Template) any lights that are distant from the world origin will start to fade out as if they are being culled. The distan ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRHICommandContext::RHISetShaderUniformBuffer()
UE - Graphics Features - Jul 6, 2017This is a common Mac crash User DescriptionsEnabling Volumetric Translucent Shadow for an object with Translucent Material and Forward Shading always crashes on MacOS Sierra , Unreal 4.13 Callstac ...
[5.6 bug] FbxImportUI settings physics_asset configuration appears to have no effect
UE - Editor - Content Pipeline - FBX - Oct 24, 2025My fbx import script that used to work in 5.4 stopped creating physics asset when ran in 5.6 i checked the api and doesnt seem like it has changed between the two versions. below is the fbx import s ...
Destructibles using Form Extended structures with rigid body collision gives wrong hit result
UE - Simulation - Physics - Destruction - Jan 7, 2015DESCRIPTION: When using form extended structure with DMs that are hit by a rigid body the resulting hit does not reflect the correct actor if they are both using form extended. If a DM without form ...
"Save Current As" is not fully loading the newly-saved level
Tools - Mar 15, 2017Workaround: Navigate to and open the newly-created level in the Content Browser prior to LaunchOn. After using the Save Current As tool, Game runs into error when trying to LaunchOn. Editor display ...
Noticeable input delay at lower FPS while Playing in Editor
UE - AI Workflows - UI Systems - Mar 1, 2022When playing in editor is running at a lower fps (<20) there is very noticeable input delay that wasn't present in 4.27.2. Works correctly while playing in Stand Alone or Packaged. Tracked this iss ...
In 5.6, bWarningsAsErrors does not work with clang
UE - Core - Cpp Tools - UnrealBuildTool - Sep 20, 2025In 5.6, many warnings and errors specify their command line arguments to the compiler with these new C# attributes: [WarningsClangToolChain(["-Wno-date-time"], ["-Wdate-time", "-Wno-error=date-ti ...
[CrashReport] UE4Editor_Engine!CheckSingleJob() [shadercompiler.cpp:749]
UE - Graphics Features - Nov 21, 2017This is a common and longstanding crash that has occurred since at least 4.14. Users have not provided any useful descriptions of their actions when the crash occurred. Source Context 740 ...
Volumetric clouds are jagged along mesh edges when Fog Height Falloff is 0
UE - Rendering - Jul 27, 2026Volumetric clouds are composited against opaque mesh silhouettes at a reduced resolution. A blocky and jagged edge appears along the silhouette. The fog brightness of the clouds also changes abruptl ...