Unreal Engine Issues
Unreal Engine Issues
Datasmith Importer stalls Editor when importing large Rhino files
UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018Importing large Rhino files will cause the Editor to stall during the import process for a long time. When testing the attached file the Editor stalled close to an hour with no results. The attached ...
LookAt AimOffset Animation node does not interpolate with it's Blendspace
UE - Anim - Runtime - Oct 29, 2018The "LookAt AimOffset" animation node does not recognize the interpolation setting on its assigned Blendspace. This causes the animation to snap to positions instead of smoothly rotating to them. ...
Moving forward via the scroll wheel will cause the loss of movement in the viewport
Tools - Apr 30, 2019When using the scroll wheel to move, the user will gradually come to a stop when going forward and will increase in speed when moving backward. If the user moves forward using this method until they ...
Adding an entry to arrays within Details Panels automatically collapses expanded entries
UE - Rendering Architecture - Materials - Apr 3, 2019Adding an element to an array in the Material Editor automatically collapses all expanded elements in the array. I've successfully reproduced this issue with the following nodes:LandscapeGrassOutput ...
Crash using VisualizeTexture command with texture id
UE - Graphics Features - Jul 1, 2019Crash always occurs when executing Visualize Texture Command with Texture id. Looks like GVisualizeTexture.Mode doesn't affect correctly. Workaround: VisualizeTexturePresent.cpp FVisualizeText ...
Noise Node Fails to Compile With Voronoi Noise if Ray Tracing is Enabled
UE - Graphics Features - Jul 19, 2019Noise Node Fails to Compile With Voronoi Noise if Ray Tracing is Enabled. Working as expected in 4.22 CL# 7053642 Found in 4.23 Preview 2 CL# 7321677 and 4.24 CL# 7437539 This is a regression ...
Default values specified for local BP variables of type DateTime and Timespan don't actually work
UE - Gameplay - Blueprint Runtime - Nov 6, 2020Have attached examples of this in action, including breakpoints showing the FDateTime::Ticks count as zero. Also showed that this is an issue for the existing GetYear/GetMonth/GetDay methods (and an ...
Memory leak when rendering some meshes with ray tracing enabled
UE - Graphics Features - Jul 19, 2021This memory leak seems to be caused by the TMemStackAllocator of FRayTracingMeshCommandOneFrameArray. Using the FDefaultAllocator for FRayTracingMeshCommandOneFrameArray works as a workaround. // ...
Left Clicking a menu that contains an option with a submenu will cause the submenu to close while hovering its options
UE - Editor - UI Systems - Mar 25, 2022If a menu has an entry that is a submenu, and that submenu has entries in it that are also submenus, then the entire menu will close when left clicking the submenu button instead of hovering it. So ...
BlackmagicMediaSource causes a memory leak if "Just-In-Time Rendering" option is ON.
UE - Virtual Production - IO - Media - Oct 31, 2023Since 5.3, BlackmagicMediaSource causes a memory leak. This didn't happen on 5.2. You can see the leak on PIE. [Image Removed] [Image Removed] If "Just-In-Time Rendering" option in the MediaB ...