What's the proper process of contributing to UE?

Hey,

I’ve made a PR a long time ago, and it got completely ignored.

I made a new one now (https://github.com/EpicGames/UnrealEngine/pull/10409) and I’m interested in what’s the proper way to make sure it gets reviewed? Furthermore, what are the normal waiting times on this?

Do I need to do something else? Like, write a feature request / bug report and link it? Share it somewhere? Tag someone?

Thanks!