The top feature, “ Support for Encrypted Client Hello (ECH, RFC 9849)”, is of prime importance to those operating Internet-accessible servers, or clients; hopefully your Postgres server is not one such!
Er. Your first acronym is pg not pq. (I had to font test above to be sure!) But point taken! You might care then, I saw various elliptic changes and I assume it’s got pq advancements somewhere in it.