Unreal Engine Issues
Unreal Engine Issues
Packaged Dedicated Server will not regenerate navmesh around instanced mesh
UE - AI - Jun 6, 2019The foliage instanced mesh, as well as ISM and HISM components both appears to be unable to export navmesh data for generation once we introduce a change in the contents. This error only shows up in ...
Sequencer bindings are lost when creating Sequence Player after loading a Sublevel
UE - Anim - Sequencer - Jun 26, 2019Sequencer bindings are lost when creating Sequence Player after loading a Sublevel using LoadLevelInstance. This was reported and tested in 4.21.2 (CL-4753647). This was reproduced in 4.22.3 (CL-7 ...
Niagara Sample Static Mesh. Source Not Working
UE - Niagara - Jul 7, 2019Static meshes are not rendered as particles when using the Static mesh module in Niagara and setting its source to a static mesh in the scene. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 7053647), ...
Instanced RepNotify variable doesn't update on client if altered in level
UE - Networking - Jul 8, 2019An instance editable Rep Notify variable will not update on Rep Notify if an instance of if is edited in a scene. A demonstration project can be found here: [Link Removed] Found in 4.22 CL#7053642 ...
Crash when generating proxy mesh
Tools - Jul 12, 2019Generating a proxy mesh with imported models and the simplify mesh flag set to true causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7288428), 4.24 (CL ...
Shadows are cast by meshes that have "Self Shadow Only" enabled while "Ray Tracing" is enabled with DX12
UE - Graphics Features - Lumen - Nov 6, 2019Meshes that have "Self Shadow Only" enabled are still casting shadows if ray tracing is enabled with DX12. Found in 4.23.1 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24 CL#10053396, 4.25 Main CL ...
UMG Animations Scale Retainer Boxes When Only Translating them
UE - Editor - UI Systems - Feb 28, 2020When translating a retainer box in an UMG animation the scale of the retainer box is also affected. Attached is a 4.23 example project. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, ...
Skeletal mesh LOD 0 "LOD Info" loose their settings when we reimport
UE - Editor - Content Pipeline - Import and Export - Mar 6, 2020Set critical because loosing settings is dangerous. This is not a regression, the bug is in 4.22 and earlier version. We have to save all options of the LODInfo, currently nothing is saved. Also sh ...
When setting in PreviewGameLaunguage, the package application always adds "culture" to the argument
UE - Editor - UI Systems - Localization - Nov 12, 2020Whenever packaging project from Launcher with a PreviewGameLanguage set, the culture="preview language" is added to the UE4CommandLine.txt file. Can avoid this issue by setting "None" in PreviewGam ...
Lumen Reflections in Stereo are broken after Nvidia GPU Driver Update
UE - Platform - XR - Jul 29, 2024After updating the NVidia graphics driver to v.552.74+, reflective/mirror materials appear broken and render with black and white lines in VR mode if they are in a level with a Post Process Volume w ...