Unreal Engine Issues
Unreal Engine Issues
Errors when compiling editor on Mac
UE - Simulation - Physics - Character - Feb 6, 2017The following error appears multiple times when compiling the editor on Mac:Undefined symbols for architecture x86_64: "NvClothDestroyFactory(nv::cloth::Factory*)", referenced from: FC ...
Crash editor when open the level sequencer after updated 4.20
UE - Anim - Sequencer - Jan 8, 2019When migrating from the version before 4.20 to the version after 4.20, opening the level sequencer will crash. I think that there is a problem with conversion from SnapTimeInterval (FixedFrameInterv ...
Mobile Map loading times have increased from 4.12 to 4.13
UE - Platform - Mobile - Oct 4, 2016The loading time from 4.12 to 4.13 on mobile devices seems to have increased quite a bit. My results: 4.12.5 Windows 7 - Launch On: Loading Level 2 - .51 Loading Level 3 - .74 Loading Level 1 - .73 ...
Sprites don't initialize PixelsPerUnrealUnit in cooked builds, causing invalid values for GetSocketLocation, etc... for assets that have Pixels/uu of 2.56
UE - Gameplay - Paper2D - Jan 20, 2015In this user's project, playing in Launched or Packaged games causes the Get Socket Location to return an unusual report when used during a flipbook animation. Instead of a normal vector, the Print ...
Levels will not Move With Containing Folder That is Moved to Another Folder in the Content Browser
UE - Editor - Content Pipeline - Content Browser - Feb 17, 2017When attempting to move a folder 1 that contains a level/map to another folder 2, a duplicate of the folder 1 containing the level will be generated in folder 2 while the level and original containi ...
Lighting Channels Do Not Function with 78+ Lights on Actor
UE - Graphics Features - Oct 20, 2017Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...
Planar Reflections do not appear to cull based on the view frustum
UE - Graphics Features - Oct 27, 2016View Frustum and Occlusion culling do not appear to work for Planar Reflections though the stats in PIE seems to indicate otherwise. I've attached two gifs showing View Frustum and Occlusion chec ...
Some Planar Reflections not working on more than one surface if it's a single mesh
UE - Graphics Features - Nov 2, 2016Planar Reflections only work with a single surface or limited surfaces when it's a single mesh vs multiple meshes making up the piece. Attached is a sample project that will show the issue. Level ...
Setting multiple identical actors to replicate movement will crash on PIE with multiple players
UE - Networking - Jan 28, 2015If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...
Enum with "MAX" element at other than the last element removes user defined last element
UE - Foundation - Core - Oct 18, 2019FNativeClassHeaderGenerator::ExportEnum produces this behavior. If an enum has “MAX” somewhere in the array, it removes last element. I tested my code to fix the issue.// code placeholder bool UE ...