Unreal Engine Issues
Unreal Engine Issues
Setting an overlay's alpha to 0 does not display as fully transparent
Tools - Feb 19, 2020Safe zone overlay ignores alpha when set to 0.0 in DefaultEngine.ini. Tested: 4.23.1 CL#9631420 , 4.25 CL#11341939 ...
M_Volumetric_Sky_Prototype Material has compile errors
UE - Content - Engine - Mar 17, 2020The material "M_Volumetric_Sky_Prototype" has numerous compile errors that prevent it from being used. This was reported and tested in 4.25 Preview 2 (CL-12055273) and reproduced in 4.26 (CL-121923 ...
Duplicating BP actors reset edited Variables to Default Value if Variables name start with Chinese Character
UE - Foundation - Core - Jul 29, 2020Hints: It has no problem in 4.24, only happening in 4.25 It has no problem as long as the Variable name is contained with Alphabat(English characters) fully; or start with Alphabat(A_变量 is fine) ...
shared texture sampler doesn't work in mobile
UE - Platform - Mobile - Jan 5, 2023In mobile preview or android device in 5.1 release, M_SharedTexture_Inst material does not render properly due to exceeded sampler slot limit. there was no problem in 5.0.3 ...
Water body constructor dirties actor
UE - Graphics Tools - Terrain - Water - May 29, 2024Modify gets called from AWaterBody constructor: WaterSplineMetadata->Reset(3); WaterSplineMetadata->AddPoint(0.0f); WaterSplineMetadata->AddPoint(1.0f); WaterSplineMetadata->AddPoint ...
Crash copying Geometry Cache Track in Sequencer
UE - Anim - Sequencer - Aug 6, 2020Geometry cache section will crash in PostLoad when track is copied. See UDN for alternative repro steps and more info on attached repro project. ...
Niagara - "Make Static" nodes do not seem to be working correctly.
UE - Niagara - Apr 7, 2025When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...
Translucent Materials no longer reflect light when using Forward Lighting variable
UE - Graphics Features - Jun 7, 2016Translucent materials are no longer showing light reflections in scene when using r.forwardlighting 1 with lights. This is a regression from functionality in 4.11.2. This no longer works with 4.12 ...
Selecting vertices from multiple bsp brushes move in relative space and cannot be changed to world space
UE - LD & Modeling - Modeling Tools - BSP - Jan 16, 2015BSP brushes only move in relative space instead of world space if the user has selected vertices from more than one bsp brush. User cannot change translation to worldspace instead of local space. ...
Zipping up projects with / creates folders to nest the zip in
Tools - Oct 15, 2015Changing your project name from 'MyProject.zip' to 'MyProject 1/1/1/1/1.zip' creates a folder which nests another folder that eventually leads to the zip. ...