Hey, thanks for the report, and this isn’t an issue with your setup. Our docs are outdated here. The flow described (Customize > Rules > New > Remote Rule (GitHub)) no longer matches the current UI. On the new Customize page, + New only creates an empty rule, and there’s no GitHub import option there.
The actual import feature (it’s now called Import from GitHub/GitLab) lives in the classic Cursor Settings > Rules. But in recent builds, after the recent Customize change, that tab may be hidden, so the option won’t show up.
A reliable workaround that does the same thing as the import is to clone the rules repo directly into .cursor/rules/: