A reader advises that the recently-signed Executive Order 13643 (discussed here, here, and here) is now available in its entirety: link to PDF.
Notably, the only changes to the MCM are the revisions to the Military Rules of Evidence to conform with the similar changes to the Federal Rules of Evidence (provided in their entirety here) and the establishment of the maximum punishments for Article 120 (2012) (provided here). The other changes proposed by the JSC last October (discussed here) go back to the drawing board.