Unreal Engine Issues
Unreal Engine Issues
Excessive RVT page updates with Nanite and ClearCoat or Cloth shading model applied
UE - Rendering Architecture - Mar 31, 2025There is an excessive number of page updates when a Nanite landscape has a runtime virtual texture material applied to it with a shading model set to ClearCoat or Cloth (instead of Default Lit). The ...
Importing FBX file with same material slots and texture names has bugs
UE - Editor - Content Pipeline - Import and Export - Jul 31, 2020When importing a file from Blender, UE creates the correct number of materials, but the number of textures is incorrect and is being overwritten, and not importing the correct amount. Tested and re ...
Overlap End/Beings when setting actor location
UE - Gameplay - Components - Jun 22, 2018In the provided example. The player's position is set on tick. This causes the overlap for the collision sphere being used to determine if the hands of the player are overlapping a surface to repeat ...
Material attribute layers issue with texture sample and VT lookups
UE - Rendering Architecture - Materials - Nov 14, 2024When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...
Delay does not tick when game is paused
UE - Gameplay - Blueprint - Jan 4, 2021Delay nodes no longer fire within a paused actor even if that actor has been set to 'Tick Even when Paused' Removing the delay node from the equation allows the print node to continue firing while ...
AnimNotify Issue with LevelSequencer Actor with URO
UE - Anim - Runtime - Anim Blueprints - 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
Docs - Samples - 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 ...
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 ...