My mother got her Super Visa today. Here is the timelines:
Application Type: Online (Highly recommended)
Application Submitted: Aug., 24, 2020
Biometrics Letter: Aug., 25, 2020
Biometrics Completed: Aug., 31, 2020
Background Check Completed: Aug., 31, 2020
Webform Inquiry: Mar., 24, 2021 (Highlighting the fact that; 1. my mother is exempt from covid related travel restrictions and 2. why we need her here in Canada)
Additional Doc Request: Mar., 25, 2021. Income and Employment Related.
Medical Request: Mar., 26, 2021
Medical Done: Apr., 19, 2021
Medical Passed: May 19, 2021
Visa Approval and Passport Request: May 20, 2021
Passport with Visa Received: May 28, 2021
Good Luck.