+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
If someone is faced with a similar problem (a long delay in the consideration of the application), I advise you to contact this lawyer.
My choice was on him because he seemed to me very confident, bold and decisive.(because many other lawyers are very cautious and afraid to go against the IRCC.)
After 3 years of waiting, I just had no other choice.
https://atimmigrationlaw.com/mandamus-qa-answering-more-frequently-asked-questions

Good luck to all.