My old medicals expires on 19th June, so my counterfoil is still valid.Oh what update exactly ? I also received, but it was the status itself. It went from application approved to medicals approved and then back.
I saw "application/provide updated" on the home page on 13th June, but no change inside. I had some hope that it was about new medical. However, yesterday I got an email from IRCC asking to renew medicals.
So don't know what was updated or is it just a technical glitch.