is SFTPv4 support possible?

[Damien Miller]

On Thu, 30 Sep 2021, Mike Frysinger wrote:

> i decided to look at what SFTPv4 would actually look like were it implemented.
> tbh, if we only do the server, i don't think it's really that bad, especially
> when we compare it to implementing custom extensions (vs the status quo).  if
> anything, i think doing SFTPv4 is better code-wise than doing extensions.

IMO the question remains: why?

Specifcally, what use-cases do each of these things enable?

-d