AntiPolygraph.org's server now supports the latest transport level security (TLS) protocol, TLS 1.3 (https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.3).
The latest versions of the Firefox, Chrome, and Safari web browsers now use TLS 1.3 by default when connecting to this site.
Qualys SSL Labs continues to give AntiPolygraph.org's TLS configuration an A+ rating (https://www.ssllabs.com/ssltest/analyze.html?d=antipolygraph.org).