My parent's supervisa application timeline is as follows:
Submitted: February 28,2020 (1st application (GCKey)
Biometrics Requested: March 3, 2020
Biometrics Submitted: December 9, 2020 (due to biometrics suspension because of Covid-19)
Medical request: June 16, 2021 (for Visitor Record)
Medical Test Completed: June 20,2021
Medical Passed: July 7, 2021
2nd Application: October 2, 2021 (GCKey)
Medical Passed: November 10, 2021 (same medical reports from TRV extension used so considered upfront)
BVL: November 16,2021
I've been waiting for a long time. I hope it goes through and gets approved this time around.