Our application was also updated today and is really strange. We had 2 lines before but now a line is added between them and this is what we have:
1. We received XXX application fo rPR on November X, 2014.
2. We started processing XXX application on January X, 2015.

3. Medical results have been received.
We were so suprised at the date they say they started processing. We had not heard a thing between SA and an email to our lawyer two days ago asking for RPRF fee and proof I the sponsor am living in Canada. So our entire timeline is:
App Submitted: Nov 2014
SA: Jan 2015
Apparently started processing Jan 2015 but our status was App Received
Status changed to IP: August 6 2015
Email requesting RPRF and additional info August 24 2015
We are hoping for a DM soon, our medicals expire mid-late Sept 2015 so even if a DM is soon getting the COPR and landing will be tight!