Unreal Engine Issues
Unreal Engine Issues
Assert when having too many VR devices
UE - Platform - XR - Aug 31, 2018Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...
The engine crashes when adding a new brush at newly created level by a specific way.
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...
BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.
UE - Gameplay - Blueprint - Apr 11, 2024When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...
[CrashReport] UE4Editor_Engine!FSceneView::FSceneView() [sceneview.cpp:627]
UE - Editor - UI Systems - Slate - Apr 11, 2017Opening UE4.14 using thecommand line "-forceenablecrashtracker," results in a red circle on the top right of the editor that when clicked provides a link to a 20 second video recorded from when you ...
FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always
UE - Foundation - Core - May 7, 2020FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...
Users project crashes when opening level that loads multiple sub-levels
UE - Foundation - Core - UObject - May 31, 2017Users project crashes when opening level that loads multiple sub-levels. Unable to reproduce this in a clean project so the users project is provided though Epic's box account (link is in the repro ...
Apex Cloth gets crazy after upgrade to 4.14
UE - Simulation - Physics - Dec 22, 2016It has no this issue if only open previous cloth assets in 4.14The issue happens only if reimporting or updating the .apx or .apb and assign to the material slotReimporting both FBX skeletalmesh file ...
SetDisableRetargeting does NOT work correctly for packaged project
UE - Anim - Runtime - Jan 4, 2023For example in cutscenes, the users use FBoneContainer::SetDisableRetargeting to temporarily use a specific shared animation without retargeting. But the function does not work correctly. We can fi ...
Cull Distance Volumes do not effect Blueprints or Skeletal Mesh Actors
UE - Graphics Features - Jul 31, 2014CHANGELIST: 2181118 BRANCH: UE4 https://udn.unrealengine.com/questions/166371/cull-distance-volume-bug.html DESCRIPTION: Cull distance volumes don't seem to cull blueprints or meshes inside a bluep ...
Scene Color node with UV input on a transparent material renders incorrectly in stereo
UE - Platform - XR - Jan 19, 2021From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...