Title: Blog post from a few months ago, but it seems to have gone into effect today.<p><a href="https:&#x2F;&#x2F;github.blog&#x2F;2021-09-01-improving-git-protocol-security-github&#x2F;" rel="nofollow">https:&#x2F;&#x2F;github.blog&#x2F;2021-09-01-improving-git-protocol-securi...</a>
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