Unreal Engine Issues
Unreal Engine Issues
4.24 Instanced Stereo Distortion Error in ComputeBufferUVDistortion
UE - Graphics Features - Nov 13, 20194.24 moves distortion calculations to the file DistortionCommon.ush and its`ComputeBufferUVDistortion` function. The code in the INSTANCED_STEREO define no longer works as `Interpolants` isn't passe ...
Undo and ConstructionScript break the AttachChildren array
UE - Gameplay - Components - Nov 14, 2019Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...
Sphere trace in control rig only works with actor with the collision object type of "World Static".
UE - Anim - Rigging - Control Rig - Jan 21, 2022One of our customers reported on UDN that sphere trace in control rig only works with actor with the collision object type of "World Static". Is that by design or a bug? ...
Editor Utility Blueprint derived from Actor Action Utility with an array variable doesn't work as expected when using Scripted Actor Action to add elements to the array
UE - Editor - Workflow Systems - May 4, 2022This is a regression. Editor Utility Blueprint derived from Actor Action Utility with an array variable doesn't work as expected when using Scripted Actor Action to add elements to the array. ...
Virtual Texture not streaming with Thin Translucency
UE - Rendering Architecture - Aug 24, 2022When using a virtual texture sampler for a thin translucent material, and that material occludes other objects that sample virtual textures, the occluded objects don't stream their VT. ...
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
ConfigContext on linux requires perforce path for defaults.global.json when global is perforce resolved
UE - Foundation - Horde - Server - Mar 7, 2025As of 5.5.2; appears present in main head as well. We have a asymmetry between how Include JSONs are resolved between Linux and Windows. This boils down to our URI construction in ParseIncludesAsyn ...
Crash importing abc file as Geometry Cache over another used in level with World Normal view mode on
UE - Gameplay - Aug 8, 2016Crash occurs when the user attempts to import an .abc file as a Geometry Cache over itself, while the asset is in the level and Buffer Visualization is on in the viewport. ...
Unable to undo editing enum description
UE - Gameplay - Oct 30, 2019The user is unable to undo the editing of the enum description. The output log and undo history would confirm that the undo was carried out, however it did not do anything in reality. Resetting the ...
FCPXML export issues
UE - Anim - Sequencer - Feb 16, 2021[Link Removed] Looks like a few issues when using FCPXML:Export is using expanded shot framesImport is off by one on the cut in frameWould be nice to default to Sequence Data on the Data Source opt ...