Unreal Engine Issues
Unreal Engine Issues
Curl Noise Force Not Applying to Niagara Emitter
UE - Niagara - Jul 30, 2018Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...
Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly
UE - Anim - Rigging - Retargeting - Feb 13, 2025Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted. Users have to refresh the properties that select the base pose in order to fix the ...
Unreal Editor crash on Datasmith import with VrayBlend Materials
UE - Editor - Content Pipeline - Datasmith - Importer - Jun 16, 2020It seems like VrayBlend materials are crashing the Engine when importing them with Datasmith. This is a regression from 4.24.3 (CL-11590370) where the file imported successfully. This was reported ...
Crash in FLandscapeRenderSystem on Mobile
UE - Graphics Tools - Terrain - Landscape - Aug 4, 2021Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...
Adding a scene component to a child blueprint causes log warnings to appear in output log
UE - Gameplay - Blueprint - Sep 1, 2015If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...
Custom lighting channels ignored when object culled in stereoscopic
UE - Platform - XR - Apr 14, 2016When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...
Scaling a SceneCapture2D from Default Scale will cause Decals to Disappear in the Render Target
UE - Graphics Features - Dec 6, 2016When scaling a SceneCapture2D actor/component any decals there were being rendered within the Render Target disappear. I also noticed that when the SceneCapture2d is set to orthographic, the scale ...
Pin wires do not connect correctly after collapse to function and duplication
UE - Gameplay - Blueprint - Mar 20, 2017Pin wires do not connect correctly after collapse to function and duplication. Any node can cause this issue, I used an INT variable because it was quick to test with. Regression: This issue affect ...
iOS movie (mp4) has no sound in the playback.
UE - Platform - Mobile - May 16, 2017There is no sound in the movie play in iOS, built with 4.16 GitHub source code version. you can simply reproduce using attached sample project. This is reproduced in iPhone 5s(10.3.1) iPhone 6(iOS ...
Scroll bar jumps to the top of the window when changing Output Log 'Categories' checkboxes
Tools - Aug 8, 2017When the Categories dropdown is changed in the Output Log, the scroll bar will jump to the top of the page. This does not match the behavior of using the search bar which will keep the scroll bar a ...