Hello Aidan, 

Thank you for your patience. 

The igGrid itself does not use requestAnimationFrame. Most of its interactions and features don’t require frequent changes in the DOM/styles that would require this for performance optimizations.

All animations use jQuery’s  built-in functions that have their own implementation that does not appear to use requestAnimationFrame (http://code.jquery.com/jquery-1.11.3.js).

 Only for scrolling it uses the igScroll component that uses  requestAnimationFrame for some of its features like inertia scrolling on touch. If you’re interested you can take a look at the code here, since it is open sourced:

https://github.com/IgniteUI/ignite-ui/blob/master/src/js/modules/infragistics.ui.scroll.js

Let me know if you have any additional questions or concerns.

Regards,

Maya Kirova