Yep it's always been free to use a custom domain as far as I can remember. https://docs.github.com/en/free-pro-team@latest/github/working-with-github-pages/abo

Yep it's always been free to use a custom domain as far as I can remember. https://docs.github.com/en/free-pro-team@latest/github/working-with-github-pages/about-custom-domains-and-github-pages https://docs.github.com/en/free-pro-team@latest/github/worki...