On friday the IETF published TLS 1.3 as RFC 8446. It’s already shipping in Firefox and you can use it today. This version of TLS incorporates significant improvements in both security and speed. Transport Layer Security (TLS) is the protocol that powers every secure transaction on the Web. The version of TLS in widest use, TLS 1.2, is ten years old this month and hasn’t really changed that much fr