Users electing to prevent others starting private discussions with themselves.
Please note that admins and others with appropriate permissions can always bypass this preference, as was the case before.
Users of Byobu should update the extension to version 1.1.7, where this has been patched. This version is only supported on v1.2.0 and later of Flarum Core.
Users of Byobu with Flarum 1.0 or 1.1 should upgrade to Flarum 1.2 or later, or evaluate the impact this issue has on your forum's users and choose to disable the extension if needed.
There are no workarounds for this issue.