fx.Niagara.UseLegacySystemSimContexts
fx.Niagara.UseLegacySystemSimContexts is a console variable in Unreal Engine 5 (UE5). See what fx.Niagara.UseLegacySystemSimContexts does, its values, and how to use this cvar in the Unreal console below.
Category: Particle FX system · Namespace:
fxHelp
If > 0, Niagara will use legacy system simulation contexts which would force the whole simulation solo if there were per instance DI calls in the system scripts.
Usage
Unreal console (open with ~)
> fx.Niagara.UseLegacySystemSimContexts 1Console variables take a value. Replace 1 with the setting you need. Run it with no value to print the current one.
Related in fx
fx.Niagara.TaskPriority.SystemSimulationWaitAllVarfx.Niagara.UseEmitterSuppressListVarfx.Niagara.UseFastSetUserParametersToDefaultValuesVarfx.Niagara.UseGlobalFXBudgetVarfx.Niagara.UseGpuDataInterfaceDenyListVarfx.Niagara.UseGpuEmitterAllowListVarfx.Niagara.UseSupressActivateListVarfx.Niagara.WaitOnPreGCVarfx.Niagara.WarnComponentRenderCountVarfx.Niagara.WorldManager.SpawnPerTickGroupVarfx.NiagaraAllowComputeShadersVarfx.NiagaraAllowGPUParticlesVar