Okay, it seems like the actors are starting to move back now. Maddison Jaizani who plays Bess said on her
instastories last night that she was "actually leaving this time" and last week she posted saying she was going to back in Canada soon.
And about a week ago she said this which was liked by 2 of the actors and I think one of the crew members:
Source
So yeah, it seems to be happening soon! I had heard stuff was pushed back because of all the safety protocols because originally they were supposed to start on Monday.
So I bet they are going to be filming mid-late August after the mandatory 2-week quarantine requirement.