Unreal Engine Issues
Unreal Engine Issues
int64 UProperty with ExposeOnSpawn meta tag won't compile.
UE - Foundation - Cpp Tools - UnrealHeaderTool - Mar 25, 2020int64 UProperty with ExposeOnSpawn meta tag won't compile from a C++ UUserWidget class. ...
Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash
UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...
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 ...
Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor
UE - Graphics Features - Sep 9, 2024After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...
Spawned skeletal animations don't animate
UE - Anim - Sequencer - Oct 30, 2017Light shaft bloom produces heavy flickering when offscreen
UE - Graphics Features - Dec 18, 2019See attached video. Happens always in editor, will also happen in standalone game but only if viewport rect has not the full window size. The issue was not present in 4.22. Update 1/22/20: A ...
Assert Crash when Attempting to rename Vector variable with open split pins
UE - Gameplay - Mar 25, 2020Assert Crash when Attempting to rename Vector variable with open split pins ...
The IndirectLightingSHSingleCoefficient for translucency on mobile is too bright
UE - Platform - Mobile - Apr 28, 2022When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask
UE - Niagara - Feb 14, 2023When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...
Pasting a material graph breaks connection to any material function nodes.
UE - Rendering Architecture - Materials - Dec 4, 2019Pasting a material graph breaks connection to any material function nodes. ...