Since information on this specific topic seems scarce, I wrote a devlog explaining how I successfully applied basic C# code obfuscation to my Godot project.
https://midnightspiregames.itch.io/minerva-labyrinth/devlog/899501/c-obfuscation-in-godot
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.