Advanced customizable multipliers for research, including science pack, category, infinite, and individual technology multipliers.
Small changes concerning balance, gameplay, or graphics.
Play it your way.
LuaTechnologyPrototype has an essential field that can be read to check if the game considers it essential. You should consider using it instead of hardcoding your set - will make your life easier if you want to support any modded content.
LuaTechnologyPrototype
essential
Dang, nice catch. I literally don't know how I missed that. This will be addressed in a later release.