I found a word from the Chairman of the Latin Mass Society in England who has this to say:

There’s little indication that he has a great interest in the liturgy. Surprising as that might seem, I’m quite happy with that. This isn’t the moment for the Pope to be getting stuck into liturgical minutiae. Let’s leave the whole issue alone for a few years, as long as the legislation we have continues to be applied. And Latin American prelates like to be obeyed.

Source

It could well be that the current legislation is left in place, and those under Roman Catholic jurisdictions preferring to celebrate the old liturgy would do well to keep quiet, refrain from polemics and carry on with life. That’s their problem, but – as so many have said – we live in interesting times…