Ribbons Don't Follow Their Source Particles When Scaling

Rendering - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

SampleCurve And SampleColorCurve Nodes Missing In Niagara Module Scripts

Rendering - Niagara - Mar 19, 2020

In a Niagara Module Script the "Sample Curve" and "Sample Color Curve" nodes cannot be found. They were findable in 4.24 prior to 4.24.3. This seems related to this ticket. Found in 4.24.3 CL#11590 ...

Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types

Rendering - Niagara - Mar 16, 2020

This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...

Parameters Pane shows different Variable Name then MapGet or MapSet

Rendering - Niagara - Mar 12, 2020

Variable names aren't displayed in MAPGET and MAPSET the same way as they are in the Parameters Pane. This is a regression from 4.24.3 (CL-11590370). This issue was reported and tested in 4.25 Prev ...

Niagara Remove Pin Feature now deletes the variable completely from the Parameters Pane

Rendering - Niagara - Mar 12, 2020

This is a regression from 4.24.3 (CL-11590370). Removing a pin on a Niagara Module Script parameter will removed the variable as well. This was reported and tested in 4.25 Preview 2 (CL-12055273) ...

Niagara module scripts "Map Get" node displays the 'Module' parameter as "Input"

Rendering - Niagara - Mar 9, 2020

The module parameter in a niagara module script displays the incorrect name Tested: 4.24.3, 4.25P, 4.26 ...

Niagara Map Set parameters are improperly named

Rendering - Niagara - Mar 9, 2020

Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script  Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...

Crash when compiling Blueprint class based off C++ actor with a Niagara component that has a user color curve

Rendering - Niagara - Mar 6, 2020

When creating a blueprint class based on a C++ actor with a Niagara component, color curves will cause the editor to crash when compiling the blueprint. This will impact users creating their own cla ...

Niagara Ribbon Facing Mode Custom Side Vector does not work correctly

Rendering - Niagara - Feb 28, 2020

The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...

Using Collision in Niagara without an Update Age module will prevent any particles from spawning

Rendering - Niagara - Feb 17, 2020

Using Collision without Update Age will prevent any particles from spawning. In Collision Query and Response DataInstance.Alive has a default value of false. If no other module sets DataInstance.Ali ...