Niagara Particles in Mesh Shape Don't Render in Scene or Editor Preview

Rendering - Niagara - Dec 19, 2019

Niagara particles aren't rendered in the Niagara Editor Preview or the scene when an emitter is in it. Found in 4.24.1 CL#10756747 Reproduced in 4.25 Main CL#10808197 ...

Niagara Uniform Ranged for integers maximum is exclusive but should be inclusive

Rendering - Niagara - Dec 17, 2019

Uniform Ranged for integers maximum is exclusive but should be inclusive or at least say otherwise ...

Niagara ribbons flicker when receiving location events and not inheriting parent's normalized age

Rendering - Niagara - Dec 13, 2019

Ribbons that disable Inherit Parent Normalized Age flicker off when one ribbon reaches the end of its lifetime. This seems to be tied to the texture coordinates used in the default material, and off ...

Niagara crash when duplicating an emitter in the timeline through right-click menu

Rendering - Niagara - Dec 11, 2019

Trying to duplicate an emitter from the timeline crashes the editor. This looks to be the result of UMovieSceneNiagaraEmitterTrack not implementing the function SupportsType.  ...

Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.

Rendering - Niagara - Nov 29, 2019

The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...

None referenced NiagaraEmitters are contained in packaged game

Rendering - Niagara - Nov 28, 2019

[Image Removed] It's just storage waste. Because those assets will be never loaded on runtime. ...

The Rotate Around Point Niagara module does not account for current particle position

Rendering - Niagara - Oct 16, 2019

The rotate around point module no longer adds in particle position, so it does not account for other forces and modules effecting the particles, and will only spin in a circle by default. The user c ...

Niagara Systems are reset after changing the sg.EffectsQuality

Rendering - Niagara - Sep 24, 2019

Changing the effect quality from the console window causes Niagara systems to reset their visibility. Tested in 4.22.3(CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9023396) ...

Upgrading from 4.22 to 4.23 can break emitter inheritance

Rendering - Niagara - Sep 20, 2019

Copied emitters will have their inheritance broken when migrating from 4.22 to 4.23.  ...