What about the applications under process.point 1IRCC is a federal agency and as such responsible under the IRPA, administrative law and the constitution. Once the application is approved and a COPR issued, if it expires, IRCC will have to renew it again, if not, they can be legally compelled to as it is their legal duty.
Eventually, as travel restriction ease, as more Canadians get vaccinated, the borders will open. Currently you can travel to Canada of your are exempt, or have a study permit or work permit.