It finally opened just in time for the autumn of 2023 & now by the winter, it's been filling up nicely.
https://macleans.ca/culture/building-vancouver-stack-work-life-balance
Montreal has only allowed one office-tower to have 51 stories. Vancouver has never permitted any office tower to even have a 40th floor.
It was tough enough just for Vancouver to permit The Stack to have 38 levels above the basement.
https://storeys.com/james-cheng-the-stack-vancouver/
https://www.urbanyvr.com/oxford-properties-announces-major-tenants-of-the-stack-at-1133-melville/
Unlike very restrictive Vancouver, some other parts of the Greater_Vancouver region want to capitalize on the allowance of taller buildings.
Sure, a lot of people prefer to work from home, but some day a 40 or even a 50 story office tower might be allowed in BC. It's just that it won't likely ever be allowed within the small city limits of provincial Vancouver. New office towers should be made adaptable if some floors ever become better suited for residential purposes.
https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_Vancouver#Tallest_buildings
https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_Canada#Tallest_buildings_in_Canada