There doesn't seem to be a set day for CLAMP-NET to update everything, but they've added these breaks to Tsubasa's schedule as predicted by last week's manga chapter.
Breaks on 4/22 and 5/2.
~More information about this upcoming release~
Mouryou no Hako Blu-ray Box
Release date: May 22
The 3-disc set comes with: a newly illustrated box; Audio commentary by the seiyuu; The Case Files of Atsuko Chuzenji: The Case of the Spirits in the Boxes" 16-minute anime side story; 24 page full-color booklet with an original interview with the novel author, Kiyougoku Natsuhiko, CLAMP character design concepts, the anime character designs by Asako Nishida, story & director commentaries.