According to this, the TLJ blu ray will be out on 18th April:-
https://www.fnac.pt/Star-Wars-Episodio-VIII-Os-Ultimos-Jedi-Blu-ray-Daisy-Ridley-Blu-ray/a1418332#
It seems that Rian Johnson has done commentaries so I hope TLJ has one. I’d like to hear some of his thoughts on his plot decisions.