Renaming Renderer in Parent Emitter breaks name in Child Emitter

Rendering - Niagara - Mar 12, 2021

Renaming a renderer in a parent emitter reverts the name of the renderer in the child emitter.  ...

The Reverb Effect in World Settings Does Not Update When Loading New Levels

Audio - Mar 12, 2021

When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the rev ...

Niagara Component can crash if ticked with a null tick function

Rendering - Niagara - Mar 12, 2021

Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...

Precompile occurs in Niagara when Standalone is started, increasing load time.

Rendering - Niagara - Mar 11, 2021

In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...

Pasting an Emitter In Niagara System is not created at cursor position

Rendering - Niagara - Mar 10, 2021

Not a regression as this also occurs in //UE4/Release-4.25.4 Behavior should work like other BP nodes, where copy/pasting puts the node where the mouse cursor is located. Current behavior is time ...

Enabling Window Animations causes drop down menus to flicker and be displaced

Tools - Slate - Mar 10, 2021

I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...

Most Material Instances render as the World Grid Material when placed on a Skeletal Mesh

Rendering - Mar 10, 2021

When adding certain Material Instances to a Skeletal Mesh, the Material Instance break and renders as the World Grid Material. This persists in the project and the Material Instance cannot be used u ...

Engine crashes when trying to remove unused bones from skeleton

Anim - Runtime - Mar 10, 2021

Engine crashes when i try to remove unused bones. I have lot of things going on in those characters, they all share same skeleton. There are anim blueprints with control rig and pose drivers, there ...

Take Recorder crashes if actor with animation despawns during recording

Anim - Sequencer - Mar 8, 2021

Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...

MoviePipeline: Disabling Auto Exposure in Project Settings not respected

Anim - Sequencer - Mar 8, 2021

The high-res tiling method checks for the exposure method specified on the camera, and forces it to Manual exposure if it's not already there. It shouldn't force this if the project settings have al ...