Hello. Thank you. No need to be worried. NDVO doesn't have a set policy. You will hear back soon. Look out for any emails or phone call they you may or may nor receive for any additional information. I wouldn't read too much into this delay.
Decision Made.
Application Received Nov 21, 2017.
Decision Made - CIC ECAS - September 18, 2018
Pre-Arrival service message on GCKEY Account - September 18, 2018