Unreal Engine Issues
Unreal Engine Issues
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 ...
Failed to launch project with -D3D10 Command Line Argument
UE - Graphics Features - Jun 3, 2019Adding the d3d10 command line argument to a package project results in a crash. This worked normally in 4.21 and below. ...
Pick Parent Class window for new blueprints does not properly list available classes on Linux
Tools - Apr 8, 2016When opening the Pick Parent Class window on Linux, the expansion arrow next to All Classes does not properly extend to show all classes. Workaround: After clicking the arrow to extend the drop dow ...
Shortcut(Function, Add a new function graph) leads to crash in the MacroLibrary editor.
UE - Gameplay - Blueprint Editor - Dec 4, 2017Shortcut will still led to create a new function in the macro library. and this makes engine crash with following callstack. Assertion failed: Blueprint->BlueprintType != BPTYPE_MacroLibrary [Link ...
Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash
UE - Platform - Mobile - May 21, 2018Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...
Some blueprint nodes are noticeably wider
UE - Gameplay - Blueprint Editor - Feb 19, 2021Certain blueprint nodes are noticeably wider than they were in 4.25, and seem to get excessively wide if the user fills in literal pins on them. This was noticed with the Array Add nodes, but may a ...
Sequencer frame range progression is not continuous
UE - Anim - Sequencer - Oct 28, 2021The end of the level visibility section places a DeterminismFence. This causes the issue. The fence clips the frame range and produces a discontinuous frame ranges, e.g. 23201~24000, then 24001~24 ...
Crash upon opening Windows 64 bit development build with only DX10 RHI enabled
When packaging with only support for DirectX10 RHI, the editor will crash after hitting "OK" on the window that mentions that the Global Shader Cache file is missing. This was encountered while run ...
Editor crash on close if custom Data Asset is not saved after hot reload.
UE - Foundation - Core - Mar 7, 2016After creating an editor asset of a custom DataAsset class, if changes are made to to the class and hot reloaded, the editor will crash on close if the editor asset is not saved after the hot reload ...
Blueprint actor reference breaks after hot reload
UE - Gameplay - Blueprint - Apr 21, 2016Reference to a blueprint based on a custom class will break if changes are made to the parent class and a hot reload is performed. Error Displayed added to Callstack section. Workaround: Compiling ...