Click-bait...<p>Here is what changed:<p><pre><code>    Certbot, previously the Let&#x27;s Encrypt Client,
    is EFF&#x27;s tool to obtain certs from Let&#x27;s Encrypt, and
    (optionally)autoenable HTTPS on your server.
    It can also act as a client for any other CA that uses
    the ACME protocol.</code></pre>