Dynamic input scripts crash when removing IF node's Pin and recreating it

Rendering - Niagara - Dec 19, 2018

This seems to happen with other NiagaraScript. According to Licensee, when this operation is done, it seems that the ID of the parameter is incorrect. ...

GPU Particles Don't Spawn at Correct Location When Used as Collision Event Receiver

Rendering - Niagara - Oct 8, 2018

GPU emitter doesn't spawn particles at expected location when it is an event receiver. Also disabling Interpolate Spawning in the emitter properties affect this behavior as well, making the particle ...

Niagara Translucency Sorting Issue with GPUCompute Sim

Rendering - Niagara - Sep 7, 2018

Niagara translucency sorting mode doesn't apply to a particle set to be GPUCompute Sim. Found in 4.20 CL# 4302132 and 4.21 CL# 4348893 ...

Niagara GPU Mesh Particles Not Working In Packaged Project

Rendering - Niagara - Aug 22, 2018

GPU Mesh emitters will not show up in a packaged project. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 ...

Niagara Sprite SubUV Skips Images

Rendering - Niagara - Aug 14, 2018

Niagara SubUV will skip most images in a SubUV sprite. Every 8 frames on the time line once it starts spawning it will change its appears. Only 16 of the 64 images are shown from the SubUV. Found i ...

Niagara Sprite Particles Incorrect Facing with Orthographic Camera When "Velocity aligned" is Set

Rendering - Niagara - Aug 2, 2018

Niagara sprite particles incorrectly face with Orthographic camera when "Velocity aligned" is set for its camera alignment. UE-44491 seems to be the same issue but with Cascade. Found in 4.19 CL# ...

Niagara Fails to Compile Shader For iOS and Android

Rendering - Niagara - Aug 2, 2018

Niagara fails to compile shader for iOS and Android. Unable to test in 4.19 due to assets provided being created in 4.20. Found in 4.20 CL# 4233996 and 4.21 CL# 4247867 ...

Project crashes when auto save completes after copy/pasting emitters multiple times in a system

Rendering - Niagara - Aug 2, 2018

Project crashes when auto save completes after copy/pasting emitters multiple times in a system Encountered same crash testing Blend_Attributes_System and ExpressionsExample_System. Doesn't seem to ...

Curl Noise Force Not Applying to Niagara Emitter

Rendering - Niagara - Jul 30, 2018

Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...