Unreal Engine Issues
Unreal Engine Issues
Property Editors fail to select assets within paths containing valid non-alphanumeric characters
UE - Editor - Workflow Systems - Sep 20, 2024Property Editors for asset types allow you to drag assets from the Content Browser into them, or to make a selection using an Asset Picker widget. Some examples would be selecting Static Meshes or M ...
Changing Area Light Settings In Blueprint Causes Crash
OLD - Enterprise - Aug 27, 2018Changing area light settings in blueprint will Cause a crash. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 Unable to test in 4.19 due to provided project being in 4.20 ...
Real Time Preview for Converted Vector Parameters not working
UE - Graphics Features - Dec 5, 2014The Real Time Preview of Converted Vector Parameters from the Material Editor are not currently previewing in the level viewport without re-compiling the material. ...
Hovered state does not fire when "Use Mouse for Touch" is set to true
UE - Editor - UI Systems - Slate - Jun 6, 2017Hovered state does not fire when "Use Mouse for Touch" is set to true. As a note this also happens in a packaged game if the setting was set to true. ...
NPC - Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work
UE - Niagara - Data Interface - Jan 4, 2021Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work ...
[CrashReport] UE4Editor-Engine!FDefaultMaterialInstance::GetMaterialWithFallback(ERHIFeatureLevel::Type,FMaterialRenderProxy const * &,FMaterial const * &) [material.cpp:292]
UE - Graphics Features - Jan 25, 2019Comment in crash group:I switched color and crashed Generated from CrashReporter ...
Resetting material instance parameters to default value does not update the appearance of the object that the material is applied to
UE - Rendering Architecture - Materials - Mar 10, 2025When a material instance with exposed parameters is applied to a landscape; the parameters set to a new value and then reset to back the default value, the landscape does not respect the new default ...
ActorColoration mode is broken in a package.
UE - Graphics Features - Dec 2, 2025The coloration mode should just work. You may be able to temporarily workaround the issue by disabling PostProcess. ...
Incorrect Sampler Type of Normal Texture Samples for M_CobbleStone_Rough Material from Starter Content
Docs - Samples - May 6, 2015The M_CobbleStone_Rough Material from Starter Content needs to have all the Normal Texture Sampler Types set to 'Normal' from 'Color' ...
iOS package with Metal Desktop Renderer renders reflections incorrectly
UE - Rendering Architecture - RHI - Apr 15, 2022When having Metal Desktop Renderer ON, the project renders incorrectly and shows a coloring/lighting issue on the character's reflection. ...