When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

UE - Rendering - Niagara - Feb 14, 2023

When 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 ...

Niagara compile error : Select Position from Array

UE - Rendering - Niagara - Nov 24, 2022

A similar node, Select Vector From Array, does not have this problem. The difference between the two seems to be whether or not Required is checked in the input node's exposure options. ...

Niagara Fluid is not displayed in the TopView of the Niagara Editor

UE - Rendering - Niagara - Nov 7, 2022

Normal Particles are displayed. ...

[Crashreport] UnrealEditor-Niagara!FNiagaraSubmixListener::UnregisterFromSubmix() [NiagaraDataInterfaceAudio.cpp:85]

UE - Rendering - Niagara - Oct 20, 2022

Generated from CrashReporter Crash only occurs when packaged. ...

Exposed Niagara User Parameter Enums are displayed as Integers

UE - Rendering - Niagara - Sep 29, 2022

(Note: all enums seem to fail when exposed as a user parameter and changing the exposed int does not impact the result of the simulation) Add a rigid mesh collision query di to a scratch module pe ...

Crash when editing category name in the emitter summary

UE - Rendering - Niagara - Sep 27, 2022

Some Niagara Fluid systems are not visible in a packaged project

UE - Rendering - Niagara - Jun 7, 2022

Previously packaging caused a crash with this system. This was fixed, but now the system is no longer visible when packaged. ...

NiagaraSystem is compiled every time when first loaded in the editor

UE - Rendering - Niagara - May 20, 2022

If you are using a large amount of Niagara, you will experience excessive load times in PIE even if nothing is changed. The following code change seems to be effective as an interim response. void ...