Interesting question, the FFKKR show is in late March, then there are shows booked in Japan in April, IIRC?
Then there is still a possible appearance in Tokyo 2020 OG as ROC ambassador, where incidentally Zagitova is also presumed to be present in some Shiseido capacity.
Lots of travel, most likely at the expense of the inviting party, still, tiring transcontinental travel nevertheless.
One supposes she rents her Toronto apartment by the month, all finished and furnished, which probably doesn't come cheap. When not in TCC, not paying for BOrser services either, perhaps other than a standby fee?
So probably in time for Test Skates, September 2020. How much time does an athlete like Medvyedeva need to get new programs staged, learn new elements in advance, etc? May, June, July, August?
Learning a 4S for a ~5 points increase in BV? She'll need excellent GOE and PCS to make this worth all the training efforts, if she doesn't want to pull a 'Tuktik' in her free skating run, right?