where did you find that they are working on application which received before 7th June?
Work permit extension (new employer)
These applications can be submitted online or by paper.
Online
51 days
?
Working on applications received on May 31, 2018.
Paper
108 days
?
Working on applications received on April 4, 2018.
You may need to
give biometrics with your application. This processing time
doesn’t include the time you need to give your biometrics.
This is what i can see. i do not see any thing it says working before 7th June.