Unreal Engine Issues
Unreal Engine Issues
Sound Cues report incorrect MaxDistance when using SoundNodeParamCrossFade
UE - Audio - Apr 23, 2015Short duration sounds (< 1.0 seconds) trigger a check on max distances by sound nodes in a sound cue. Sound cues which use SoundNodeParamCrossFade are reporting 1.0 as the max distance and thus resu ...
Meshes often render or flicker black in one eye on OSVR
UE - Platform - XR - May 6, 2016Found on: //UE4/Dev-VR CL-2967563 Often, meshes will render completely black in one eye on the OSVR. This seems to affect close meshes more frequently than far away ones. Sometimes the meshes flick ...
Reflection capture doesn't work with full dynamic lighting
UE - Graphics Features - Dec 27, 2019The Reflection Capture is not showing reflections for anything but the Sky Light when all Lighting is set to Fully Dynamic. This was reported and tested in 4.24.1 (CL-10757647). This was reproduce ...
UBT crashes when doing an incremental build
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 9, 2017There is a consistent crash when incrementally compiling headers containing generated code. The code for launching UHT accesses a property which is null when compiling with the UBT makefile. ...
StompMalloc throws error in Embree setup
UE - Graphics Features - May 27, 2021Licensee has proposed a potential workaround (initialising vertex array with at least 1 element). ...
Pawn Blueprint cannot have variables default value set in Engine ini
UE - Gameplay - Blueprint - Jun 1, 2017When using a pawn blueprint, you cannot modify the value of a variable in the config files. This issue does not affect other kinds of blueprints, as this issue does not affect actor blueprints. Re ...
Nvidia DLSS plugin causing crash in PIE
UE - Graphics Features - Feb 10, 2023The editor is crashing with the 5.1 Nvidia DLSS plugin enabled after performing PIE. This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901 This issue is NOT occurring in Binary //UE5/ ...
Static Mesh 's Light Map Coordinate Index set to 4 and execute a light build, the result will be incorrect.
UE - Graphics Features - Oct 1, 2018Light Map Resolution is set to a small value (4 or 8), it will build normally. ...
Lighting behavior is unreliable for translucent lit materials, results are inconsistent depending on the editor camera's FOV and the editor viewport's width/height/aspect
UE - Rendering Architecture - Oct 27, 2024When working on the level editor viewport or testing on PIE, the visual appearance of additive/translucent lit materials changes significantly (and abruptly) when varying the camera FOV or the viewp ...
Collisions doesn't work at BeginPlay against Instanced Meshes if their Mobility is Static
UE - Simulation - Physics - Jul 1, 2015User reports that in 4.8 in some cases bodies for Static-mobility ISMC instances are not yet initialized when BeginPlay is called. It seems like deferred creation for level streaming should be com ...