Why is Lua not popular?

While Lua is still used fairly often in gaming and web service, it performed poorly in terms of community engagement and job market prospects. That being said, in spite of its age, Lua’s growth has flat-lined rather than declined , which means that although it’s not popular, it’s not dying either.

Lua is a simple and easy to read language designed to be embedded in other programs . Not a lot of industries see a lot of value from having a sort of program inside of a program the way that games do. It lets game designers script abilities or triggers without having to touch the actual game code.2 Eyl 2021

Popular use cases for Lua include: As a popular component in video game and game engine development . For example, Warframe, World of Warcraft, and CRYENGINE all use Lua. As a programming language in many network programs, like CISCO Systems, Nmap, and ModSecurity.