Not really. Though I asked...
This is their response:
Good day,
Thank you for contacting Immigration, Refugees and Citizenship Canada. Please note that your passport has been received at our office and will be returned as soon as the process is completed.
Your documents will be returned using the provided return envelope. If you have followed the instructions on the website and kept note of the tracking number, you should be able to follow its delivery on the courier website.
We thank you for your patience.