RFC7830 Padding support?

Hi,

according to [1] unbound supports RFC 8310 which says:

DNS-over-(D)TLS clients and servers SHOULD implement the following
   relevant DNS extensions:

   o Extension Mechanisms for DNS (EDNS(0)) padding [RFC7830]

Since RFC7830 (DNS padding) is not listed on [1] I was wondering
if unbound supports it or has plans to implement it?

[1] https://nlnetlabs.nl/projects/unbound/rfc-compliance/