So this means they opened your envelope and put you in the system. Good for ya.Thank you for contacting Immigration, Refugees and Citizenship Canada (IRCC).
We have received your application and it will be processed according to the date it was received.
Once your application is found to be complete and ready for review, the responsible office will send you an acknowledgement of receipt with your application number and instructions to link your application so that you can view the status and messages online. If further information is needed, the responsible office may contact you.”
When was your app received at CPC Sydney, if you don’t mind me asking?