The covid travel rules for Canadians entering and exiting Jamaica have NOT changed.

As of Nov.30th...you now have to be fully vaccinated as a Canadian to fly.

Please read thoroughly and provide required information at...
https://vistjamaica.com.
A negative antigen test is required for entry into Jamaica. Test results are almost immediate

Covid entry requirements provided below for your return to Canada...
https://travel.gc.ca/travel-covid/tr...ntering-canada.
A negative PCR test is required to be taken "within 72 hours of your scheduled flight" to Canada. Test results take 24 to 48 hours.
Jamaica is well versed in providing these tests and this should cost around $75us each currently.
Your hotel can help you arrange for testing.