Unreal Engine Issues
Unreal Engine Issues
Some features have not yet been supported when using AmbientCubemap as IBL
UE - Graphics Features - Mar 26, 2025Translucent materials do not receive specular highlights and reflections from Ambient Cubemaps set in Post-Process settings. There is a pass"InjectTranslucencyLightingVolumeAmbientCubemap" that sho ...
Custom lighting channels ignored when object culled in stereoscopic
UE - Platform - XR - Apr 14, 2016When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...
NavMesh generates 90 degrees rotated for custom collisions
UE - AI - Apr 16, 2015The NavMesh creates breaks at the wrong rotation if the mesh is using collision created from outside of UE4. This is obvious in a lot of the market content with special collision created in maya/3d ...
Editor crash on BP recompile with custom FRuntimeFloatCurve variable
UE - Gameplay - Blueprint - Nov 13, 2017When a class contains a FRuntimeFloatCurve variable, compiling a blueprint of the class causes the editor to crash once a key has been added to the curve and selected Regression: Yes, the provided ...
Add multiple interface support to the multicast API of FSocket
UE - Networking - Jun 20, 2018The calls to JoinMulticastGroup and LeaveMulticastGroup on FSocket do not allow for the interface address to be passed in, only the the group address. The interface address is currently hard-coded ...
Unable to package project that includes a custom precompiled plugin
UE - Foundation - Cpp Tools - Oct 9, 2018Packaging a project that includes a precompiled plugin fails with an error that an object reference is not set to an instance of an object. This only happens in the Binary Engine. If the Engine is ...
Custom CrowdManagerClass reference is set to none when restarting the Editor
UE - AI - Nov 21, 2018When setting a C++ class that's derived from CrowdManager as the "Crowd Manager Class", will cause the "Crowd Manager Class" value to be set to "None" when the Editor is restarted. This issue was r ...
Support Landscape Edit Layers in WorldComposition Import/Reimport
UE - LD & Modeling - Terrain - Landscape - May 6, 2020Allow user to enable layers when importing Landscape Tiles from the Level View in a World Composition Level. Allow to reimport that layer data on a Edit Layer later on when using the reimport featu ...
Fbx exporter does not support component overriden material color
UE - Editor - Content Pipeline - Import and Export - Jul 29, 2020The fbx exporter should query component material override when exporting a level actor. ...
Missing RowStruct when opening a DataTable made with custom RowStruct
UE - Editor - May 13, 2022For some reason a datatable created in the editor, using a row struct built in c++, is corrupted after re-opening editor. Its row struct property is set to none. This is a regression. ...