All major web browsers will deprecate support for the older Transport Layer Security (TLS) 1.0 and 1.1 traffic encryption protocols in the first half of 2020.
Apple, Google, Microsoft and Mozilla on Monday announced plans to kill the protocol in their browsers to provide users with better security.
http://feedproxy.google.com/~r/Securityweek/~3/M14iuQdY9UA/major-browsers-kill-tls-10-11