According to Digital Manga Inc President, Hikaru Sasahara, the company will halt all physical publishing for the DMP, June Manga, DokiDoki, and 801Media imprints for six months starting January 1, 2013. This will be a temporary measure as they coordinate they production schedule for the next year and focus on their digital publications. The titles will resume publishing in June of 2013.
A number of titles are affected by this, including the titles from the most recent DMP Kickstarter.
The titles affected are:
Source: Official DMP Blog