Niagara System Doesn't Update Mesh Renderer If Static Mesh is Changed in the Emitter

Rendering - Niagara - Mar 20, 2019

The Niagara System doesn't update the mesh renderer If the Static Mesh is changed to an Imported Mesh in the source emitter Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL#  5470758 ...

Setting spline in Niagara Override Parameters corrupts system after closing level

Rendering - Niagara - Mar 19, 2019

The USplineComponent appears to be corrupted. It will pass the null check, but operations done on the data cause the engine to crash. (See the linked UDN for more details) ...

Project configured to spawn Niagara system via Character blueprint in a Code project fails to Cook, then crashes project on open

Rendering - Niagara - Mar 7, 2019

Project configured to spawn Niagara system via Character blueprint in a Code project fails to Cook, then crashes project on open Discovered when verifying UE-68100 (also similar to UE-71111) Did n ...

Crash When Setting a Bool in a Niagara Parameter Collection via Blueprint

Rendering - Niagara - Feb 26, 2019

The Editor will crash when setting a bool in a Niagara Parameter Collection via Blueprint. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5159901, 4.23 CL# 5194133 ...

Niagara Grid Location Module spawns particles off center

Rendering - Niagara - Feb 5, 2019

the GridLocation module spawns particles off center. ...

Niagara systems always compile on load.

Rendering - Niagara - Feb 1, 2019

Niagara System User Parameters Resetting After Closing the Editor

Rendering - Niagara - Jan 18, 2019

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

Packaged C++ Project Fatal Error on Startup When Spawning Niagara System Via a Character Blueprint

Rendering - Niagara - Jan 7, 2019

Using the system blueprint node in the character blueprint will cause the packaged game to give a fatal error when running the executable. This only occurs when in a C++ project. Found in 4.20 CL# ...

Migrating a Niagara asset from one project to copies the Niagara plugin assets

Rendering - Niagara - Jan 3, 2019

Migrating a Niagara asset from one project to copies the Niagara plugin assets. ...

Niagara Component is considered for GetActorBounds With "Only Colliding Components" Enabled

Rendering - Niagara - Dec 27, 2018

Niagara Component is considered for GetActorBounds With "Only Colliding Components" Enabled. Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4666322 ...