Unreal Engine Issues
Unreal Engine Issues
FMultiReaderSingleWriterGT isn't thread safe
UE - Foundation - Core - May 17, 2016From https://udn.unrealengine.com/questions/292741/fmultireadersinglewritergt-isnt-thread-safe.html: I've found that FMultiReaderSingleWriterGT has at least 2 bugs: The one that caused a deadlock ...
Raytraced reflection doesn't work with high roughness
UE - Graphics Features - Lumen - Oct 30, 2020Even when the max roughness for raytraced reflections is set to 1, they seem to be blended away at far below that value. For projects (e.g. film,vfx) where quality trumps speed it would be valuable ...
Foliage LODs do not appear to use the base LODs lightmap any longer
UE - World Creation - Worldbuilding Tools - Foliage - Dec 16, 2016LODs used with the Foliage Tool are no longer being shadowed accordingly with their baked lighting from their base LOD. Originally they would stay consistently lit, where as now the lower LOD transi ...
Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 input pin
UE - Graphics Tools - Modeling Tools - Jun 13, 2022Geometry Scripting plugin isn't available for 4.27.2, and the behavior is the same 5.0.1. Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 ...
'Call In Editor' events on components are not exposed in the details panel
UE - Gameplay - Mar 3, 2017Request for an Actor Components Blutility 'Call In Editor' events to be accessible from derived class. It would also be expected to see the Blutility dropdown selection and Run button in the actors ...
Crash with Assert after adding large sections to landscape
UE - Graphics Tools - Terrain - Jun 7, 2023This is a regression as it does not happen in //UE5/Release-5.1.1 ...
Array of structs does not animate sub properties correctly in Sequencer.
UE - Anim - Sequencer - Oct 4, 2024Support for animating arrays of structs should either be disabled, or supported. ...
Getting Relative Location of an Object That Once Simulated Physics Returns World Location
UE - Simulation - Physics - Dec 10, 2015Attempting to get the Relative Location of a component that once simulated physics, but has been dynamically set at runtime to not simulate physics returns the World Location instead until the actor ...
Sound Track in Matinee Ignoring Track Location and Playing Audio at Beginning of Sound Wave/Cue
Tools - Sep 22, 2015When scrubbing the Matinee handle with a Sound Track added, no matter the location of the handle, the sound wave associated will play from the beginning of the audio file. Tested in 4.8.3 - 2634408 ...
Adding Megascans 3D objects to a scene can cause Twinmotion to freeze and Crash on macOS.
TM - Core - Dec 11, 2024Looking at the logs when it happened, the logs are spammed with the following: [2024.12.10-20.34.12:438][514]LogZenServiceInstance: Display: Unreal Zen Storage Server HTTP service at [::1]:8658 sta ...