Pope Francis has appointed Archbishop Giovanni Becciu, substitute of the Vatican's Secretariat of State, to be his personal delegate to the Sovereign Order of the Knights of Malta:
https://cruxnow.com/global-church/2017/02/04/francis-taps-top-aide-delegate-knights-malta/
The pope's letter of appointment advises Archbishop Becciu that as “sole spokesperson in all matters relating to relations” between the Vatican and the Order, Becciu will have “all the necessary powers to decide any issues that may arise concerning the implementation of the mandate entrusted to you.”
According to this report, the delegate's appointment will end when the Order has selected the next Grand Master. Cardinal Burke's fate, like the fate of Charlie beneath the streets of Boston, remains unknown.