SpeedTree velocities broken

Rendering - Features Teams - Mar 18, 2021

A use-after-free issue caused by GPUParticle

Rendering - Niagara - Mar 18, 2021

Split pins on nodes within sub-graphs in an animation blueprint are broken

Anim - Runtime - Mar 16, 2021

There's a bug in the anim bp compiler which results in split pins on animation nodes not being merged properly back onto their parent pin during compilation. The result of this is that any input to ...

IOStore : Packaged game crashes when doing garbage collection right after cancelling async loading by UnloadPrimaryAssetList

Core - Loader - Mar 15, 2021

Packaged game without IOStore never hits this error. ...

Tagged binding exists after deleting object binding in sequence

Anim - Sequencer - Mar 12, 2021

Tagged bindings aren't deleted when their object binding is deleted in the sequence.  ...

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.  ...

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 ...

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 ...