I was just updating the contents of an issue (the main comment) and on hitting update the issue automagically deleted itself. I now just have a message that says “This issue was deleted.”.
To be sure, I’ve created a test ticket, clicked on “Delete issue [Beta]”, and saw the “Are you sure you want to delete this issue?” pop-up. None of this happened in my problem, I just hit “update comment” and it dissapeared.
Just sent a support request via mail, but wanted to share it here, in case any one had the same issue or know how to recover a deleted issue.