You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <recentchanges rccontinue="2024-03-29T04:40:23Z|1501" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="ansible notes" rcid="1511" pageid="615" revid="1487" old_revid="1469" timestamp="2024-04-19T04:05:42Z" />
      <rc type="new" ns="0" title="sed delete newline" rcid="1510" pageid="618" revid="1486" old_revid="0" timestamp="2024-04-02T18:53:35Z" />
      <rc type="edit" ns="0" title="openvpn OpenSSL error digital envelope routines unsupported" rcid="1509" pageid="616" revid="1485" old_revid="1484" timestamp="2024-04-01T13:59:56Z" />
      <rc type="edit" ns="0" title="openvpn OpenSSL error digital envelope routines unsupported" rcid="1508" pageid="616" revid="1484" old_revid="1483" timestamp="2024-04-01T13:59:13Z" />
      <rc type="edit" ns="0" title="openvpn OpenSSL error digital envelope routines unsupported" rcid="1507" pageid="616" revid="1483" old_revid="1480" timestamp="2024-04-01T13:58:18Z" />
      <rc type="edit" ns="0" title="openvpn TLS handshake failed" rcid="1506" pageid="617" revid="1482" old_revid="1481" timestamp="2024-03-29T04:54:48Z" />
      <rc type="new" ns="0" title="openvpn TLS handshake failed" rcid="1505" pageid="617" revid="1481" old_revid="0" timestamp="2024-03-29T04:54:14Z" />
      <rc type="log" ns="0" title="openvpn legacy bf-cbc usage" rcid="1504" pageid="0" revid="0" old_revid="0" timestamp="2024-03-29T04:43:45Z" />
      <rc type="edit" ns="0" title="openvpn legacy bf-cbc usage" rcid="1503" pageid="616" revid="1479" old_revid="1478" timestamp="2024-03-29T04:41:44Z" />
      <rc type="edit" ns="0" title="openvpn legacy bf-cbc usage" rcid="1502" pageid="616" revid="1478" old_revid="1477" timestamp="2024-03-29T04:40:56Z" />
    </recentchanges>
  </query>
</api>