Unreal Engine Issues
Unreal Engine Issues
Editor Crash when trying to get Color data from Vertex buffer
UE - Graphics Features - Nov 6, 2019When attempting to get the vertex color of an instance of of a static mesh that is painted after placing it in the World Viewport. The Editor crashes returning an "Unhandled Exception". The cause o ...
Navigation System is gathering navigation bounds too early
UE - AI - Aug 6, 2015In GameInstance.cpp when the Navigation System is created it calls... UNavigationSystem::InitializeForWorld This in turn ends up calling... GatherNavigationBounds(); This goes through all ...
Packaging a project to HTML5 and opening the project disables mouse over events
UE - Platform - Mobile - Dec 24, 2015Packaging a game to HTML5 disables the mouse and mouse over events on local host, which prevents any mouse functionality from working in a packaged project. ...
Destructible attached with a Physics Constraint ignores Start Awake on play
UE - Simulation - Physics - Destruction - Jul 26, 2016Destructible attached with a Physics Constraint ignores Start Awake on play The Destructible component is set to simulate physics, but on play physics is not simulated unless the destructible is to ...
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 ...
Preview Rendering Levels Do Not Display Supported Optimization Viewmodes in Viewport Dropdown
UE - Platform - Mobile - Apr 2, 2019When attempting to set an optimization viewmode while using a Preview Rendering Level other than Shader Model 5, the Optimization Viewmodes dropdown is missing all of its options and instead display ...
When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously
UE - Simulation - Physics - Jul 18, 2019When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...
Anim Curve Data Does Not Appear in Montages When Using Animation Modifier, MotionExtractorModifier
UE - Anim - Runtime - Apr 28, 2022Occurs 5/5 times Regression does not occur as the MotionExtractorModifier appears to be new with UE5. Curve data is not displayed in an Animation Montage when Animation Modifier, MotionExtractorM ...
Selected tool using ScriptableTool might get closed when selecting an exposed property.
UE - Graphics Tools - Modeling Tools - May 21, 2024When using a created tool of the ScriptableTool plugin, and setting an InstanceEditable variable, the tool might get close. For this to happen, we need to have a ToolPropertySet attached to the too ...
Static Mesh Contact Shadows still render when all LOD sections have Cast Shadows dissabled
UE - Rendering - Graphics Features - Oct 30, 2025When the cast shadow checkbox is disabled for all sections that make up a static mesh the main shadow is no longer rendered but the contact shadow does not respect the instruction to disable shadows ...