VisaProcessingTime checks for updates every 6 hours. However, most permanent residence and citizenship services are often updated atleast once a week by IRCC, based on data from the previous 6 months.
Processing times for temporary residence applications were already updated weekly, based on data from the past 8 or
16 weeks. However, VisaProcessingTime checks for updates every 6 hours.
The processing time starts the day IRCC receives your complete application and ends when they make a decision on it.