Unreal Engine Issues
Unreal Engine Issues
Crash triggering SetScalarParameterValueOnMaterial node
UE - Gameplay - Nov 30, 2015Crash occurs when the user triggers the SetScalarParameterValueOnMaterial function node. ...
Translucent material can't get valid custom depth RT on mobile platform and pc preview
UE - Platform - Mobile - Sep 18, 2019Crash in Network Prediction during PeriodicDamage GameplayEffects Test
UE - Networking - Jan 27, 2021Crash during Periodic Damage test for Gameplay Abilities system in the Network Prediction plugin, when both plugins are enabled. Related to a null GameInstance. ...
Issue with r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat
UE - Rendering - Graphics Features - Mar 30, 2026When "r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat=1", some values for the Sky Atmosphere at some directional light angles can lead to the sun disk being cut off, and taking on a chord shape. A ...
Play rate track does not work when using CreateLevelSequencePlayer
UE - Anim - Sequencer - Oct 13, 2016Play rate track does not work when using CreateLevelSequencePlayer Regression: YES Worked: 4.12.5 CL:3039270 Broken: 4.13.1 CL:3142249 ...
An Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node
UE - Rendering - Architecture - Materials - Apr 20, 2022Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node. ...
SingleSampleShadowFromStationaryLights does not work in UE5 (when GPU-Scene is used)
UE - Graphics Features - Shadows - Jul 21, 2022The flag is not propagated in FPrimitiveSceneShaderData::FPrimitiveSceneShaderData and so is missing in GPU-Scene primitive data. Need to add: .UseSingleSampleShadowFromStationaryLights(Proxy->UseS ...
StateTree : Crash when executing GetPropertyRef in SubTree linked via Linked Asset
UE - AI - StateTree - Aug 26, 2025A crash occurs when GetPropertyRef node is executed from a SubTree that is linked within a StateTree, which itself has been linked from a parent StateTree via a Linked Asset ** . The processing con ...
WidgetBlueprint::DrawLines has broken AA on sharp cornered lines
UE - Editor - UI Systems - May 9, 2016WidgetBlueprintLibrary::DrawLines which calls FSlateDrawElement::MakeLines has broken AA for sharp cornered lines. ...