* etc/NEWS: Note how to send email address in HTTP requests.
This change was requested in:
https://lists.gnu.org/r/emacs-devel/2023-12/msg00500.html
Emacs never sent email addresses by default, but it used to be
possible to customize 'url-privacy-level' so that the users email
address was sent along in HTTP requests. This feature has now been
-removed, as it was considered more risky than useful. The user option
+removed, as it was considered more dangerous than useful. RFC 9110
+(ยง 10.1.2) also recommends against it. The user option
'url-personal-mail-address' is now also obsolete.
+To send an email address in the header of individual HTTP requests,
+see the variable `url-request-extra-headers'.
+
\f
* Changes in Emacs 30.1