This is not possible at the moment as attachments are not linked to notes at the moment, but might be possible in future version see https://www.mantisbt.org/bugs/view.php?id=21733
Attachments and notes are just grouped together based on the time when they have been created, https://www.mantisbt.org/bugs/view.php?id=21727
See also config option $g_issue_activity_note_attachments_seconds_threshold https://www.mantisbt.org/docs/master/en ... onfig.view
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