Feature Request: Warning Before Replying to PMs with Mixed User/Staff Participants

Hi,

I am a moderator over on Ubuntu Discourse.

In moderation workflows, it's common to start a private message (PM) with a user, and then later add the @moderators group to get input from other staff.

The problem is: once moderators are added, all replies in that thread are still sent to the original user as well. This can lead to mistakes — a moderator may reply thinking they’re speaking privately with other staff, but the message is actually sent to the user too.

Feature Request:

A simple warning or visual indicator when replying to a PM that includes both staff and regular users. Something like:

“Your reply will be visible to all participants, including [@username].”

Or a confirmation prompt when replying to a PM thread with non-staff users included.

This would go a long way toward preventing unintended disclosures or awkward situations.

Has anyone found a workaround, or is something like this already planned?

Thanks in advance,Rubi



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