Finally, it has happened: WebC has received some updates and a beta release of v0.12 is now available!

npm install @​11ty/eleventy-plugin-webc@beta

Make sure you review the release notes for WebC v0.12 as there are some breaking changes with webc:type="js" webc:type="render" and webc:setup: https://github.com/11ty/webc/releases/tag/v0.12.0-beta.1