It has dropped. Not in L”Osservatore Romano as expected, but on the Vatican website. As yet it is only in Latin and Italian, so it will take some time for those slow in those languages (like me) to read it properly.
Attached herewith is the Latin text and the interpretive notes from the Congregation for Divine Worship.
This may seem to be a matter of small details. But as we know, the devil is so often in the details.
UPDATE: I have added my own rough translation here.