Unreal Engine Issues
Unreal Engine Issues
Skeletal meshes are not simulating physics
UE - Simulation - Physics - Feb 6, 2017Skeletal meshes do not simulate physics when playing in viewport. They are not affected by gravity, nor do they ragdoll. This doesn't occur in UE4/Main. This occurs with Immediate Mode Physics of ...
Match3 - Startup video does not play but audio can be heard
UE - Platform - Mobile - Apr 20, 2017The audio can be heard for the opening splash but the video can not be seen. In Binary 4.15.2 neither video or audio play. ...
Planar reflections do not work in OpenGL4
UE - Rendering - Architecture - RHI - Jul 11, 2017This is not a regression as it occurs in 4.16.2 The test case was just recently updated to test for planar reflections so not sure if this is intended to work or not. ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalVertexBuffer::FMetalVertexBuffer()
UE - Graphics Features - Jul 25, 2017This is a common Mac crash that has affected users since at least 4.14. Unfortunately users have not provided any descriptions of their actions when the crash occurred. ...
Data Tables can no longer import numeric enum values
Tools - Nov 1, 2017Some changes to UEnumProperty::ImportText_Internal prevent this importing the stringified number (which is a float) as an enum value. This affects the JSON importer, and maybe the CSV one too. ...
Niagara Not Working with Volumetric Materials
UE - Niagara - Jul 13, 2018Niagara will not work with Volumetric Materials. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...
Unable to package for Android with bEnableExceptions set to true
UE - Platform - Mobile - Jul 31, 2018Packaging for Android fails if bEnableExceptions is set to true. The errors are in the log file attached below. Regression?: Yes This did not occur in 4.19.2 ...
Niagara GPU Mesh Particles Not Working In Packaged Project
UE - Niagara - Aug 22, 2018GPU Mesh emitters will not show up in a packaged project. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 ...
OpenXR Thumbstick Up/Down/Left/Right Input Actions do not fire
UE - Platform - XR - Sep 1, 2021OpenXR Thumbstick Up/Down/Left/Right Input Actions do not seem to fire. I tested on Quest 2, but it sounds like the problem may be all of OpenXR. ...
Adding Regular Expression information to the project.build.cs no longer works
UE - Core - Cpp Tools - UnrealBuildTool - Feb 23, 2022This worked in previous releases, but changed around 4.27.2 and Early Access. This prevents users from using C# regular expressions. ...