i'm soo sorry
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but listen i don't think u r the only one left..like it happens at the visa offices too, some applications r faster some r slower...if u got the AOR maybe they started to process it, or maybe not....maybe there's one november applicant before u :
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who knows....but if u overthink it does not help on the contrary....i honestly believe that members on this forum r maybe 10% from everyone, so the fact that some here got it, maybe they r just the lucky few, u don't know...
also maybe they could check something extra and they wait for reply from there, nothing bad...maybe sometimes they just randomly check more...
from ur flag r u resident in Quebec? if yes than they have even less to check since there r less requirements and less forms to submit :

so it will b even more confusing why it takes longer
stay positive and don't think abt it....the approval will come by surprise and maybe this longer wait will mean a shorter wait in the 2nd step and that's the important part

good luck!!!
laleh joon did u get urs yet?