Unreal Engine Issues
Unreal Engine Issues
Rendering of a Text Widget with Outline does not track LayerId correctly
UE - Editor - UI Systems - May 27, 2025Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...
[CrashReport] UE4Editor_Landscape!ALandscapeProxy::CreateLandscapeInfo() [landscape.cpp:752]
UE - LD & Modeling - Terrain - Landscape - Jul 14, 2017This is a common crash affecting users through 4.14 to 4.16. Users have not provided any descriptions. Source Context 740 #if WITH_EDITOR 741 ULandscapeInfo* ALandscapeProxy::Creat ...
Crash can occur when calling GetSkinnedVertexPosition on a skeletal mesh with a slightly different bone hierarchy than the skeletal mesh whose skeleton it is using
OLD - Anim - Apr 12, 2017MDW: In progress (Dev-AnimPhys CL 3392820) When calling GetSkinnedVertexPosition on a skeletal mesh that uses the same skeleton as a different skeletal mesh with a slightly different bone hierarchy ...
Crash: Direct3DDevice->CreateBuffer failed at D3D11VertexBuffer.cpp with error E_INVALIDARG
UE - Graphics Features - Jul 6, 2017This is a common crash affecting users since at least the 4.14 release. It was previously associated with [Link Removed], however that has been marked as fixed. Source Context 221 void Veri ...
[CrashReport] UE4Editor_ClassViewer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:970]
Tools - Jul 14, 2017This is a common crash affecting users on Windows and Linux. It also appears related to an older Mac crash ([Link Removed]). Users have not provided any new descriptions. Source Context 959 ...
[CrashReport] UE4Editor_CoreUObject!FMemoryWriter::Serialize() [memorywriter.h:42]
UE - Foundation - Core - Jul 24, 2017This is a common cook crash affecting users in 4.16. It is possibly the same issue as described in [Link Removed] for past engine versions. Source Context 33 virtual void Serialize(void* ...
Data loss caused by C++ Child Actor Component when compiling Child BP
UE - Gameplay - Blueprint - Dec 22, 2016Having Child Actor Components that are set in code can cause data loss upon compiling the blueprint. In this particular scenario, there are two custom Actor classes involved, MainActor and SubActo ...
Null Material Layers in Material Instances cause Opacity Mask and WPO to break on Nanite Meshes
UE - Rendering Architecture - Materials - Oct 31, 2024When a Material Instance is loaded that has a nullptr layer in StaticParametrs.Materiallayers. The Material Instance will create it's own CachedExpressionData but the ConnectedParameterMask will be ...
Staging Directory in Project Packaging Settings should not be saved as absolute path
UE - Foundation - Data Pipeline - Cooker - Jun 8, 2021When you package a project via the editor, it updates the ProjectPackagingSettings to set the StagingDirectory to the specific one chosen by the user. However, it saves this path as an absolute path ...
Failure to sign when packaging for iOS Distribution when using Remote Compile from a code project on Windows
UE - Platform - Mobile - Feb 20, 2019Packaging for iOS Distribution from Windows using Remote Compile results in a failure during the signing portion. This seems to be caused by a hardcoded "false" for a property that is used to determ ...