KrisFlyer cancel/redeposit in time of COVID
I have Saver award bookings CDG-xSIN-MEL for four pax in J, in April. Although the flights are still scheduled, we can't get out of Australia and certainly European vacations aren't a credible option yet. I'm looking to rebook for September/October (and I realize I may well have to push it back again), but there's no availability to any ports in Australia for the whole duration of October. So I need to cancel, and possibly use the miles for the outbound journey instead.
How is cancel/redeposit working now? Do I have to go out of my way to request redeposit or is it automatic? Can it be done online? Is it any faster via call center? Obviously I'll want access to the miles ASAP for future planning. I'm not especially concerned if it takes weeks or months to get the taxes back to my credit card.
Are cancel fees currently being waived due to COVID or do they still apply? (At the moment the booked flights are not cancelled, but I can't wait until they may cancel them.)