Who deprecates the old standard?

Deprecating TLSv1.0 and TLSv1.1 is an Internet Draft which Deprecated Transport Layer Security (TLS 1.0) versions 1.0 RFC 2246 and TLS 1.1 RFC 4346 were superseded by TLS 1.2 RFC 5246 in 2008, which has now itself been superseded by TLS 1.3 RFC 8446 in August 2018. It was proposed by the Internet Engineering Task Force (IETF).

Please find further information in this document:
End Of Life for TLS 1.0 and 1.1 Support

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