Resolved -
The attachment upload issue was resolved on Thursday and has not reappeared. Now marking as Resolved.
Jul 22, 14:14 BST
Monitoring -
We've fixed the immediate issue, and are further investigating the root cause to prevent the issue happening again.
Jul 18, 15:34 BST
Investigating -
We are currently investigating this issue.
Jul 18, 14:03 BST