https://docs.google.com/spreadsheets/d/1B_YAyszLcUxbfe0ur7WPZRPJ0y2COpRJSt8Ce19yrhI/htmlview#hi, yup , i am in the same boat as you my friend. i applied by mail and did not get any confirmation . linking the paper application online is not working for me either. i think they probably have not even looked at the applications yet.
any body who applied in 2018 got any response from IRCC ?
also is there any tracker/excel sheet etc to track out progress ? it would be a good idea to have 2018 sponsorship parents tracker