BenUI gave a talk regarding making UI's in Unreal Engine during JetBrains GameDev Day Online 2022.
Topics
Rewinding a networked game
Implementing Instant Replays (Killcam)
The Unreal Engine Game Framework: From init main() to BeginPlay
Game UI Database
Unreal Engine Network Compendium
UMG Layout Techniques for Unreal Engine
How to make tools in Unreal Engine
Fast Render Target Rendering in Unreal Engine