Unreal Engine Issues
Unreal Engine Issues
AnimNotify Issue with LevelSequencer Actor with URO
UE - Runtime - Anim BP - May 19, 2025Sometimes AnimNotify does not fire when an animation is executed under the following conditions. 1. The CharacterMesh's AnimationMode uses UseAnimationAsset 2. CharacterMesh's URO is enabled (Enable ...
Moving the Material Node for Starter Content Materials within the Editor Graph will increase the Texture Sample Count
UE - Graphics Features - Apr 27, 2016The issue occurs when you simply move the material node itself and click the 'Apply' button to begin compiling shaders. Once it has completed, the number of texture samples increases for the Stats a ...
UE 5 EA sample Valley of the Ancient project localized UI not displaying
zComponent - Archive - May 27, 2021Steps to reproduce:Download UE5 EA through Epic Games LauncherDownload the Valley of the Ancient sample through Epic Games LauncherCreate a short cut on your desktop adding "-culture=ko" in the end, ...
The FNetNameMapping::GetUniqueName function appends numerical values to the end of the previous name instead of replacing the previous name's numerical value
UE - Gameplay - Blueprint Compiler - Feb 23, 2018The GetUniqueName() function attempts to make sure that all node names are unique. For nodes that are used a large number of times, it adds a numerical value to the end of the name. Prior to 4.18, t ...
Crash when removing and re-adding instances to an InstancedStaticMeshComponent with PerInstanceCustomData.
UE - World Creation - Worldbuilding Tools - Jan 22, 2026When using an InstancedStaticMeshComponent with PerInstanceCustomData, the number of float elements in the "Custom Data" array should always be equal to NumCustomDataFloats multiplied by the number ...
Morph Target Preview Slider Defaults to One When Entered Value is Larger Than One
OLD - Anim - Jan 2, 2018When morph target weight value is set to a number other than 1 the slider sets it back to being a value under 1. It does not go down from the number that it was set to but instead defaults to being ...
Lighting Channels Do Not Function with 78+ Lights on Actor
UE - Graphics Features - Oct 20, 2017Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...
Game feature plugins do not unregister absolute scan paths on removal
UE - Gameplay - Mar 16, 2023The GameFeatureData asset used by the game features subsystem supports defining extra paths to scan for asset manager assets specific to that plugin. Originally this system only supported relative p ...
EnhancedInput Chorded Actions do not work on higher priority mappings
UE - Gameplay - Input - Aug 21, 2023Reported from Prismatic: It appears that the Add Mapping Context function currently prioritizes low numbers over high numbers, which seems inconsistent with the function description and some parts ...
Need to UpdateOverlaps for components that move as a result of skeletal animation (on the server).
OLD - Anim - Dec 9, 2015https://udn.unrealengine.com/questions/271482/oncomponentbeginoverlap-not-firing-on-server.html Attach a trigger shape to a character's hand or something, make it animate (without moving otherwise) ...