For the SSH Library we try to keep up with OpenSSH features and implement the most important stuff. After what we read about the NSA and NIST it became clear that the new ECDSA support we added in libssh 0.6.0rc1 needs new curves. So Aris implemented gro.h1566572940ssbil1566572940@652a1566572940hs-911566572940552ev1566572940ruc1566572940 and txt.g1566572940ro.hs1566572940sbil@1566572940652ah1566572940s-915156657294052evr1566572940uc1566572940?h=curve25519">wrote a draft. At the same time he implemented the first draft and you can find the code in his private wip branch, here.
Currently he is working on a patch for OpenSSH. If you have comments or want to discuss patches please subscribe to our mailing list.
Update: Aris sent a patch to the OpenSSH mailing list, in this post.