Unreal Engine Issues
Unreal Engine Issues
Masked Materials using the Forward Renderer and MSAA results in banded Gradient
UE - Graphics Features - Feb 23, 2017Masked materials used in conjunction with MSAA and Forward Rendering results in a banded gradient which seem to correlate directly with the MSAA count variable. This is connected to the Forward Ren ...
[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()
UE - Foundation - Core - UObject - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...
Fix world to meters scale
UE - Platform - XR - Apr 11, 2018Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...
Reimporting of skeletal mesh results in a scrambled skeletal mesh
UE - Editor - Content Pipeline - Import and Export - Oct 17, 2025When we reimport our skeletal meshes with updated FBXs, the resulting skeletal mesh is scrambled up. See Scrambled.jpg attached. This does not affect every single reimport but happens randomly. W ...
Fixing up GoogleVRHMD static analysis warning
UE - Platform - XR - Oct 31, 2016[Line 1585] d:\build++ue4+release-4.14+compile\sync\engine\plugins\runtime\googlevr\googlevrhmd\source\googlevrhmd\private\googlevrhmdrender.cpp(42) : warning C6386: Buffer overrun while ...
Contains node for array allows different Reference with no error thrown
UE - Gameplay - Blueprint - May 9, 2017When using the contain node for an array there is a delay is getting a proper warning to show under certain conditions. This issue occurs when a pin for the bottom is connected before the array is. ...
[CrashReport] UE4Editor_UnrealEd!UnFbx::FFbxImporter::RecursiveBuildSkeleton()
UE - Editor - Content Pipeline - Import and Export - Jul 30, 2015This is a common crash affecting users. User DescriptionsJust import a Mesh of Fuse Source Context 624 void UnFbx::FFbxImporter::RecursiveBuildSkeleton(FbxNode* Link, TArray<FbxNode*>& Out ...
[CrashReport] UE4Editor_Sequencer!FSequencer::NotifyMovieSceneDataChanged()
UE - Anim - Sequencer - Jul 24, 2017This is a common crash affecting users in 4.16 and into the 4.17 Preview. User Descriptionscopying-pasting curves in Sequencer Source Context 979 void FSequencer::NotifyMovieSceneDataCha ...
Cloth Rendering - Optimizations cause a one frame geometry stretch when off screen cloth is teleported back on screen.
UE - Simulation - Physics - Character - Aug 26, 2021Render optimizations are causing the cloth render data to be updated one frame too late after an off screen cloth object has been teleported back on screen. The optimisation triggers itself after a ...
Precomputed lighting is not saved when using Save As or Duplicate for levels
UE - Graphics Features - Sep 30, 2016Lighting is invalidated with levels that have been duplicated or Saved As. The maps that are created are immediately marked dirty and need to be resaved vs how they were in 4.12.5 where they wouldn' ...