Unreal Engine Issues
Unreal Engine Issues
Build Android x86 get error "undefined reference to '__atomic_load_8'"
UE - Platform - Mobile - Sep 12, 2018Instanced and skeletal meshes produce an overlap but fail to compute an MTD
UE - Simulation - Physics - Sep 11, 2018Instanced and skeletal meshes produce an overlap but fail to compute an MTD, resulting in the logging of "OverlapTest says we are overlapping, yet MTD says we're not" in LevelActor.cpp ComponentEncr ...
Volumetric Lightmap Holes Appear Every Fifth Build
UE - Graphics Features - Sep 11, 2018Volumetric lightmap holes appear every fifth build. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4348893 ...
Loading cooked shaders in editor is broken
UE - Graphics Features - Sep 10, 2018Issue was traced to CL4018267. Shader hashes are not preserved during cooking anymore. This is failing the check in void FShader::Register() { FShaderId ShaderId = GetId(); check(ShaderId.Materi ...
Debug Helpers no longer drawn indefinitely if life time is set to 0 or less
UE - Graphics Features - Sep 10, 2018Setting the lifetime for one of the visual debug helpers (a sphere was used in the repro, but the results should be similar for any of the debug helpers) to a value of 0 or less should make the debu ...
VR Motion Controllers: Haptic Feedback Effect SoundWaves
UE - Platform - XR - Sep 10, 2018Attempting to play Haptic Effect SoundWaves on both Motion Controllers will cancel or interfere with each other. Tested with Oculus Also confirmed in Main 4348893 ...
Large UMG Blueprint widget trees can lead to very long compile times when packaging with Blueprint nativization enabled.
UE - Gameplay - Blueprint - Sep 10, 2018Licensee reports very long C++ compile times during packaging after nativizing a UMG Blueprint asset containing a very large and heavily-nested widget animation hierarchy. The support thread outlin ...
BP new Event Dispatcher cannot be deleted after modification
UE - Gameplay - Blueprint - Sep 10, 2018Changing the variable type of an Event Dispatcher in the Blueprint editor results in an impossible to compile situation. The BP must be then recreated due to being unable to remove the unattached ev ...
Double-Sided Geometry Collision Doesn't Work When Using Set Physics Linear Velocity
UE - Simulation - Physics - Sep 10, 2018Double-sided geometry collision doesn't work when using physics set linear velocity. This does not occur when using floating pawn movement or character movement components. Working as expected in 4 ...
Support for 16-bit precision for positions in vertex buffer
UE - Graphics Features - Sep 7, 2018Add support for 16-bit per component format for POSITION in vertex buffers as an option. Half-precision is already supported for UVs and TANGENTS on a per model basis, and was hoping that this woul ...