We're still at least 20 specs away from them being "adequately specced": https://w3c.github.io/webcomponents-cg/2022.html https://w3c.github.io/webcomponents-cg

We're still at least 20 specs away from them being "adequately specced": https://w3c.github.io/webcomponents-cg/2022.html https://w3c.github.io/webcomponents-cg/2022.html And there are multiple other issues that make web components a very unattractive compilation target.