Unreal Engine Issues
Unreal Engine Issues
Cannot softly vertex paint blend weights with a 4-node blend material
Tools - Jun 15, 2015Video attached. If you make a 4 node blend material like so: [Image Removed] When you try to paint blend weights, the color you paint instantly jumps to the maximum value, and there's no way to p ...
Engine/Extras/MayaLiveLink Folder Not Appearing in 4.19 Installation Directories
OLD - Anim - Mar 15, 2018In 4.19 installations, the Engine/Extras/MayaLiveLink folder is missing. This is preventing users from being able to access it. The release notes state "You can find pre-built binaries of the Maya ...
SkyLight Leaking does not affect reflections when the SkyLight is static but static lighting is disallowed
UE - Rendering - Graphics Features - Sep 10, 2025Reflections do not receive SkyLight leakage contribution from a static SkyLight when static lighting is disallowed. This is caused by the function UpdateSkyIrradianceGpuBuffer checking if the SkyLig ...
User crashes during play/save/open project in UE 4.6.1
UE - Gameplay - Blueprint - Feb 25, 2015User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...
Custom iOS icons don't appear using BP projects [4.18.2]
UE - Platform - Mobile - Dec 14, 2017So far this has been tested on Mac deploying SunTemple to an iPhone 7 (10.3.3). It occurred with both Launch On and File Package. This does not occur when deploying StrategyGame from the same Mac t ...
Crash on iOS9 when using Apple's CFNetwork library
UE - Platform - Mobile - Dec 6, 2016Many clients have hit a crash due to an Apple library using operator delete on a memory block that was not allocated with operator new. This happens with the following callstack on iOS9 in UE4.13 o ...
World Position Offset Only Affecting the Z-Axis when applied as a Material to a Landscape
UE - LD & Modeling - Terrain - Landscape - Jul 6, 2016When utilizing World Position Offset on Landscapes, the VertexNormalWS only pushes vertices in the vertical direction. Even if you are to sculpt an aggressive slope on the landscape, the vertices ar ...
Nanite mesh socketed to a Skeletal Mesh is not affected by the 'Owner No See' or 'Only Owner See'
UE - Rendering - Features - Nanite - Jun 22, 2022Nanite mesh socketed to a Skeletal Mesh is not affected by the 'Owner No See' or 'Only Owner See'. Compared this against a regular Static Mesh. ...
Scale box affects all children in a parent container widget when setting User Specified Scale
UE - Editor - UI Systems - Jul 5, 2018When a scale box is the the first child of a container widget, setting the user specified scale to 0 will affect all other widgets in the same parent container. ...
Using a Macro to access a variable from another Actor causes a crash in Standalone
UE - Gameplay - Blueprint - Jun 8, 2015Using a Macro to access a variable from another Actor causes a crash in Standalone. This does not seem to affect any other preview in editor, nor packaged games. Reproduced in 4.7.6, 4.8 Preview 4, ...