The pretrial appellate litigation in Bergdahl is effectively over–charges are referred to trial and he has been arraigned.
For those interested in the litigation to get access to UCMJ art. 32 hearing documents, I have collated the documents here.
There is a new effort to get quicker media access to trial documents from the Hearst Corporation. See, Diego Ibarguen/COL Nance, MJ, ltr of 4 Jan 2016.