Teal transpiles to Lua, but Luau is a fork of Lua. Luau can implement wider ranging changes, like improving interpreter performance and security or adding synta

Teal transpiles to Lua, but Luau is a fork of Lua. Luau can implement wider ranging changes, like improving interpreter performance and security or adding syntactic sugar. Roblox has a market cap near $100B and has multiple developers working full-time on Luau.