Victor Careil created a very useful plugin for writing Material Functions using HLSL. It's non-destructive, and updates live when the HLSL file is saved.
Topics
ActorIO Plugin
Plugin Builder
GitHub Plugin Downloader
Industrial-grade shader techniques to build efficient and stylized grass
Unreal Materials Technical Overview
FlowGraph
Make 2D Games the EASY way in Unreal Engine 5 - PaperZD Tutorial
Fast Render Target Rendering in Unreal Engine