Unreal Engine Issues
Unreal Engine Issues
Unable to affect setting cubemap blend in skyLight and reflections on transluscent materials
UE - Rendering - Architecture - Oct 17, 2023Attempting to blend SkyLight Cubemaps via the SetCubemapBlend function to blend between different Cubemaps to make the changes seamless is not reflected. As a workaround, in LumenTracingCommon.ush, ...
Large RAM usage increase when loading some legacy scenes in 2025.2
TM - Core - Aug 12, 2025Steps to reproduce:Open TM 2025.1Open the Salt Flats Note down the RAM usageSave the sceneOpen the same scene with the beta 3Note down the RAM usage. Compare results Expected results: The RAM Usag ...
[CrashReport] Mac/Metal Intel compiler crash - UE4Editor-MetalRHI.dylib!CreateMTLRenderPipeline()
UE - Graphics Features - Oct 27, 2017Mark S: This is an Intel compiler failure on macOS 10.12.6. Callstack from LogAssertion failed: [File:/Users/build/Build/++UE4+Release-4.18+Compile/Sync/Engine/Source/Runtime/Apple/MetalRHI/Privat ...
[CrashReport] UE4Editor_Renderer!FSceneRenderTargets::GetGBufferResourcesUniformBuffer() [scenerendertargets.h:408]
UE - Graphics Features - Jan 18, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: IsValidRef(GBuff ...
Values are not copied for a EnumArray that is part of an exposed Struct Variable
UE - Gameplay - Blueprint - Jun 21, 2016Values are not copied for a EnumArray that is part of an exposed Struct Variable; when copying from the Details panel to a copy of the same actor. User Description: If you make an array of custom ...
[CrashReport][Assert] Engine!static class FText R CC AddParameter FMaterialCachedExpressionData QEAA_NAEBUFMaterialParameterInfo AEBUFMaterialParameterMetadata AEAPEAVUObject AEAPEAVUTextureCollection AEAVFText Z QEBA AV7 AEBUFMaterialCachedPa
UE - Rendering - Architecture - Materials - Jun 20, 2025#15 crash out of 7012 in UE 5.6.1 on Windows#7 crash for UE - Rendering Architecture in UE 5.6.1 on Windows#2 crash for UE - Rendering Architecture - Materials in UE 5.6.1 on WindowsAssertion failed ...
Bloom not Working on Samsung Galaxy S5
UE - Platform - Mobile - Feb 12, 2016As the title suggests, bloom on the Samsung Galaxy S5 is not working. I tested this against another android device, the Acer Iconia Tab 8, which also supports Full HDR w/Sun according to the docum ...
Line height for text boxes does not appear to be affected by scaling when using a scale box
UE - Editor - UI Systems - Jan 12, 2016When scaling text with a scale box the letter will begin to overlap when scaled up or become really far apart when scaling down (this is referring to the space between the top and bottom of the lett ...
The Tint setting under style for the slider bar in UMG does not appear to have an affect on the color of the widget
UE - Editor - UI Systems - Sep 4, 2015Changing the Slide bar Color/Slide Handle Color will change the color of the Slider widget. However when changing the "Tint" settings under style, there does not appear to be any color change. ...
Object set to simulate via a LevelBp will not be affected by a radial force component
UE - Simulation - Physics - Jun 7, 2017If the objects are set to simulate physics via the details panel it works fine If the objects are set to simulate physics via a level BP the radial force doesn't work Attached video shows you how to ...