We had our application approved yesterday (really old PD -2011 EB2 IND & DQ Aug 2023).
Nothing out of the line than other interview experiences in this forum (be there on time->documentation -> fingerprinting -> interview).
Highly recommend to go organized with your documentation.
https://travel.state.gov/content/travel/en/us-visas/Supplements/Supplements_by_Post/MTL-Montreal.html/
This group had been really helpful and i wish everyone the very best.