Unreal Engine Issues
Unreal Engine Issues
Assertion thrown while creating a Geometry Collection with Hardware Raytracing enabled along side r.RayTracing.Geometry.GeometryCollection 1
UE - Graphics Features - Apr 26, 2022A raytracing project with hardware raytracing enabled and r.RayTracing.Geometry.GeometryCollection set to 1 triggers a crash when trying to create a geometry collection. ...
Consolidate ScreenSize code and refactor to avoid confusion
OLD - Anim - Aug 22, 2016We do have very inconsistent system between Static/Skeletal and the current name is set for ScreenSize. However, Static mesh and HLOD are using ScreenSize name for Screen area calculation. We wan ...
If remove the muted side from the two child tracks in sequencer, the remaining tracks will be muted forever
UE - Anim - Sequencer - Feb 4, 2022The cause was that the information remained in Rows Disabled of Track even though it returned to one Track by the delete operation from the state where there was a child Track of multiple rows. As ...
No Dynamic Shadows From Stationary Lights in Forward Shading Without Building Lighting
UE - Graphics Features - Apr 24, 2018I've observed this issue in 4.18.3 and 4.19.1. Per Licensee: So we've spotted an issue that I wanted to put on your radar with dynamic shadowed stationary lights + r.ForwardShading=1 What we're s ...
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 ...
[CrashReport] FCurveEditorSharedData::FCurveEditorSharedData
UE - Niagara - Nov 1, 2017This is a trending crash coming out of the 4.18 release. It may be a regression as there is no record of it occurring in 4.17. User Descriptionsopening a particle from the conetnt browser Source ...
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 ...
GPU Particle Collision causes shaking when set to bounce with low resilience.
UE - Niagara - Jul 27, 2016A particle emitter with GPU sprites on certain settings will shake violently as they collide with the ground. This requires there to be a strong Const Acceleration module and Collision with low resi ...
[CrashReport] UE4Editor_Core!FText::FText() [text.cpp:194]
Tools - Aug 22, 2017This is a regular crash occurring in 4.16 and 4.17. The callstack is nearly identical to [Link Removed], which was fixed in 4.15 (different error message though). User DescriptionsImporting Files ...
If "Update Position Eash Frame" of "Skel Vert/Surf Location" is enabled, the particle continues to rotate.
UE - Niagara - May 25, 2020It seems to have occurred since UE4.23, and the cause was the following part of "ParticleModules_Location.cpp".//From UE4.23 if (bOrientMeshEmitters) { //We have the mesh oriented to the normal o ...