I assume this is in contest with RFC10015 which proposes "Deprecating Obsolete Key Exchange Methods in TLS 1.2 and DTLS 1.2"[1]. Both are Proposed Standards submitted in July, by the same author. HN discussion[2]
[1]https://www.rfc-editor.org/rfc/rfc10015.html
[2]https://news.ycombinator.com/item?id=49139711