Unreal Engine Issues
Unreal Engine Issues
Sequencer does not save asset variables in event struct
UE - Anim - Sequencer - Jul 31, 2018When adding a struct to a keyframe, Object Reference variables are not saved and Soft Reference variables are saved sometimes. Opening a keyframe's properties when the selected struct has an object ...
Crash caused by Buffer Overread in TBitArray operator < function
UE - Foundation - Core - Aug 29, 2018A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...
Consolidate tool fails to replace unloaded references to Material Instances
Tools - Feb 20, 2018This issue is not a regression, it has been broken since the start of UE4. This bug may be related to [Link Removed] . Per licensee: We are trying to replace certain materials with material instan ...
Exceptions can no longer be enabled for ProjectEditor targets
UE - Foundation - Cpp Tools - Jul 16, 2018It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...
Atmospheric Fog Sun Disc Has Wrong Intensity
UE - Graphics Features - May 4, 2018This behavior has been observed in 4.18.3, 4.19.2, and Main (CL 4048405). Note that adding BP_Sky_Sphere to the scene and assigning the Directional Light Actor to it will fix the issue. Per User: ...
Atmospheric Fog Sun Disc Has Wrong Intensity
UE - Graphics Features - May 4, 2018This behavior has been observed in 4.18.3, 4.19.2, and Main (CL 4048405). Note that adding BP_Sky_Sphere to the scene and assigning the Directional Light Actor to it will fix the issue. Per User: ...
SpeedTree Material No Longer Compiles With Texture Coordinate Node In BaseColor
UE - Graphics Features - Jan 25, 2017If you open a material with the speedtree node plugged into WPO and then use a texture coordinate(index of 2) in base color the material will no longer compile properly. The full error is "Error [ ...
Mouse Events cannot be treated as Touch on Android Apps on Chromebook
UE - Platform - Mobile - Mar 18, 2019A licensee reported an issue where mouse events are not able to be used as touch events on Android apps. This was specifically reported on and tested on Chromebooks. After working with Chris Babcock ...
Landscape Tessellation shadow depth performance cost higher than expected
UE - LD & Modeling - Terrain - Landscape - Aug 23, 2016Using tessellation on Landscapes causes a greater impact in performance than what is expected. In the screenshots provided there is a comparison between tessellation disabled and flat tessellation ...
Vertex Color Information Lost on Editor Restart
Tools - Apr 19, 2018This is a regression. In 4.19 and Main (CL 4008322), vertex color information does not save properly and data is lost when editor is reopened. Creating project from scratch instead of copying over f ...