Fido and Rogers said June 11 in their update schedule so there's a very high chance of this happening. AT&T got the update 2 days ago which means that it will spread to Canada too. Let's pray that we truly get it on June 11.
It doesn't "brick" your phone!! - it ends up causing a System UI Crash - You can either fix it by a Factory Reset or possibly using adb to uninstall the overlays. A Samsung that is actually really bricked is when you can't even boot into Download Mode! Even then you MIGHT be able to rescue it using J-tag... maybe
It's pretty difficult to ACTUALLY brick a Samsung device... And people who are saying that they "bricked" their Samsung are almost always completely clueless.