Unreal Engine Issues
Unreal Engine Issues
FBX Import for Skeletal Meshes normals not correct
UE - Graphics Features - Jan 12, 2016When importing a mesh as skeletal mesh and using any of the MikkTSpace or option to "Import Normals and Tangents" will cause the normals to import incorrectly. If using the Compute Normals or Import ...
iOS Device displays textures darker than in Editor
UE - Platform - Mobile - Jan 30, 2017The issue is that on iOS devices textures are displaying significantly darker than expected. I did a color calibration with my monitor to get a more accurate representation of the texture. I set th ...
Blurry textures on BSP geometry when a very small static mesh using the same texture is in the same scene (standalone game)
UE - Graphics Features - Mar 9, 2020The texture streamer does not appear to take into consideration the size on screen of any BSP brushes, only static meshes. When a large brush, and a very small static mesh, both using the same textu ...
GPU / D3d Crash while editing Landscapes
UE - Graphics Tools - Terrain - Landscape - Mar 7, 2023From licensee: I've been experiencing consistent GPU crashes when tying to edit landscapes since updating to UE5.1. It seems to be exclusively an issue with DirectX 12 (SM5 & SM6). I have no pro ...
Video material previews incorrectly on Mac
TM - Rendering - Apr 3, 2025Received multiple reports of users on Mac computers experiencing issues previewing video materials in Twinmotion 2025.1. When adding video materials to the scene, the scale seems to be incorrect an ...
[CrashReport] UE4Editor_Landscape!ULandscapeComponent::ReallocateWeightmaps() [landscapeedit.cpp:4208]
UE - LD & Modeling - Terrain - Landscape - Nov 16, 2017This is an infrequent but longstanding crash that has occurred since at least UE 4.12. User DescriptionsTrying to paint a landscape texture on a seemingly bugged out sector, which was stuck with th ...
[CrashReport] UE4Editor_SlateCore!FSlateElementBatcher::AddElements() [elementbatcher.cpp:52]
UE - Editor - UI Systems - Slate - Nov 21, 2017This is an infrequent crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Based on affected project names, this may be a VR is ...
IPhonePackager failing with Mono v6
UE - Platform - Mobile - Aug 29, 2019Mono v6 throws an exception when setting: LogTemp: IPP ERROR: Application exception: System.PlatformNotSupportedException: The FriendlyName value cannot be set on Unix. LogTemp: at System.Securi ...
DrawDebugString display wrong position in PIE when changed display scale
Tools - Sep 16, 2020The display position of the text in DrawDebugString is affected by the scale of the display. Should refer to the Project() of DebugCanvas (not Canvas). - Suggest Code void AHUD::DrawDebugTextL ...
Edits of node properties that are not stored on pins do not diff correctly
UE - Gameplay - Blueprint Editor - Oct 2, 2015Currently details changes to the following are not noticed by the Diff tool when diffing AnimBPs:State Machines (i.e. Max transitions per frame)Transition rulesConduitsStates This also affects non- ...