When I walked by the BMO ATM in my local Sobeys store, I noticed that the screen had mention of Dec. 1 changes.

Here's the pdf listing what will change as of tomorrow:
https://www.bmo.com/assets/pdfs/16-1...akeOne-Ev7.pdf

Minimum monthly bank balances have increased in order to qualify for waived fees.
Interac e-transfer fees change (no longer refundable).

No credit card fee rebate for Premium Plan customers on two cards.