With Unreal Insights (Beta), our new Chaos physics and destruction system, ray tracing and more, there’s a lot to be excited about arriving in Unreal Engine 4.23. Marcus Wassmer and Michael Lentine will talk about 4.23’s features and changes.
https://dev.epicgames.com/community/learning/livestreams/Xa8/4-23-release-highlight-live-from-hq-inside-unreal