PMDG has posted a statement regarding various items concerning the 737 NGXu base, expansion pack, Operations Center 2.0, and other topics.
Basically, this coming Wednesday, the team is planning to rollout a new update for the 737 NGXu base as well as the first expansion pack (600/700). Also on Wednesday, PMDG is planning the global rollout of Operations Center 2.0.
Laslty, PMDG is working on updates for various other aircraft and a BBJ expansion.
Source: PMDG forums