PUC's Lua is, however, open source (https://www.lua.org/license.html), even if they don't solicit contributions, and they do accept happily accept financial support. It doesn't look like they release new versions very frequently at all (the last release was in over a year ago). Still, it appears they do accept financial contributions, so it seems like Roblox, whose market cap is $22 billion and whose offerings are at present entirely dependent on Lua, should probably consider offering at least token support (https://www.lua.org/thanks.html).