Re: defcustom :version

[Richard Stallman]

       Here's an idea.  customize-changed could work like customize-browse,
       except that it would show only the groups that cover settings which
       have changed meanings.

       What do you think?

    That would obviously not reduce the total number of listed options.
    (There quite simply is no way to reduce that substantially.)  It would
    not help somebody wanting to take a look at all of them (quite to the
    contrary).

That is true, but so what?  The idea is beneficial in other ways.

Most people don't use all of Emacs.  They don't particularly want to
look at all the changed options.  They want to see all the changed
options that are relevant to their usage.

This feature will be very helpful in doing that.