You can build UI in roblox, quite a fundamental piece of the puzzle, but you aren't forced into using react-lua, you can use whatever you want. The Roblox team

You can build UI in roblox, quite a fundamental piece of the puzzle, but you aren't forced into using react-lua, you can use whatever you want. The Roblox team uses react-lua for their roblox studio program, the desktop/mobile roblox app, and most plugins [1]. [1]: https://devforum.roblox.com/t/how-to-react-roblox/2964543 https://devforum.roblox.com/t/how-to-react-roblox/2964543