[wp-trac] [WordPress Trac] #39123: Allow usernames to be changed by administrators

[WordPress Trac]

#39123: Allow usernames to be changed by administrators
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 Reporter:  johnbillion                          |       Owner:
     Type:  enhancement                          |      Status:  new
 Priority:  normal                               |   Milestone:  Awaiting
Component:  Users                                |  Review
 Severity:  normal                               |     Version:
 Keywords:  needs-patch needs-unit-tests 2nd-    |  Resolution:
  opinion                                        |     Focuses:  multisite
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Comment (by tharsheblows):

 > Any other considerations to make if usernames are allowed to be changed
 by administrators?

 These are slightly random but as I think of them.

 - 99.9% of username changes I do are because someone has used their email
 address or real name as their username and realised that's not a good
 idea. (Despite clear warnings. I've tried so hard to make them stop.) In
 this case, I don't want a canonical redirect from their old author archive
 to their new one as that's a privacy leak. However, I can see the use in
 that sometimes, so it'd be great if it were an option.

 - huh, `nickname` isn't in the REST API.

 -  I'm currently forcing `nickname` (in the usermeta table) to be
 `user_login` with no `nickname` / `display_name` changes allowed. To do
 this I hook into the `insert_user_meta` filter - doing it this way is
 necessary because of https://core.trac.wordpress.org/changeset/34505. I'm
 mentioning that because I'm not sure how other people do the same thing or
 if they do. This could be a case where I'm `_doing_it_wrong()`. I can fix
 mine to work with whatever if you give me a hook, that's not a problem,
 but it might be worth seeing how other people handle it and if we need to
 worry about the nickname field.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39123#comment:7>
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