"#GitHub will require all users who contribute code on GitHub[.]com to enable one or more forms of Two-Factor Authentication (2FA) by the end of 2023"
https://github.blog/2022-12-14-raising-the-bar-for-software-security-next-steps-for-github-com-2fa/
End of 2023 for all contributors, but already in March for a big chunk of users, admins and contributors to large projects.
@lupyuen
With this requirements many developers and projects will consider moving elsewhere