Finally received a response from Poloniex...
"Thanks for reaching out!
We are currently looking into this issue and we will provide you with an update as soon as we have one. In the meantime, please do not create additional support tickets for the same issue as it slows response time. If you have more information to add about this issue, please respond here.
We appreciate your patience and will be in touch as soon as we have an update for you!
Best,
Poloniex Support Team"
Not really much to get excited about...