bug#62720: 29.0.60; Not easy at all to upgrade :core packages like Eglot

[Eli Zaretskii]

> Date: Sun, 23 Apr 2023 14:58:33 +0300
> Cc: jporterbugs@gmail.com, philipk@posteo.net, 62720@debbugs.gnu.org,
>  joaotavora@gmail.com, larsi@gnus.org, monnier@iro.umontreal.ca
> From: Dmitry Gutov <dmitry@gutov.dev>
> 
> On 23/04/2023 09:39, Eli Zaretskii wrote:
> > I don't understand how this patch is supposed to be any progress in
> > this discussion.  I see no prefix argument handling in package-update
> > and no change in behavior when package-install-upgrade-built-in is
> > non-nil.  So why did you think this brings the code closer to what I
> > suggested?
> 
> It addressed two last points from your previous email, obviously.

Which points are those?  Please help me identify them.