That's what happened to Darklang, if I recall correctly. I've been hearing about it for almost 10 years now and they went through multiple language rewrites and

That's what happened to Darklang, if I recall correctly. I've been hearing about it for almost 10 years now and they went through multiple language rewrites and ultimately went bankrupt and then open source. Turns out it's hard to make money in languages and tooling.