The application status changed to 'We need additional documents to process your application. We will send an e-mail or letter,' sometime in Dec 2017. We received no email or letter. They requested additional documents for the sponsor in Feb 2018 through a phone call. The person who called claimed to have sent an e-mail/letter which we never received. We finally sent the additional documents requested (mainly salary slips for the three preceeding months and proof that the Sponsor (PR not a citizen) had definitively returned to Canada because he had previously resided and worked in the US). After a while, the status changed again to 'Additional documents required'. We received no communication from them. We made online enquiry because it is impossible to reach an agent and we were told that everything is in order. But, there doesn't seem to be any progress.
It is indeed frustrating. I have been holding off a visit to home country expecting