https://www.cbc.ca/news/politics/arrivecan-border-covid-end-1.6595710
As of Oct. 1, all travelers, regardless of citizenship, will no longer have to:
Submit public health information through the ArriveCAN app or website;
Provide proof of vaccination;
Undergo pre- or on-arrival testing;
Carry out COVID-19-related quarantine or isolation;
Monitor and report if they develop signs or symptoms of COVID-19 upon arriving to Canada;
Undergo health checks for travel on air and rail;
Or wear masks on planes and trains.