Blockchain appears to have forked at block 312010 :

Compare:

http://sbc.blockexplorer.io/block/d55a459323e1094e5c50800186f7469581fc3003140d668fc5d5337af284cadb (definitely running new stablecoind version :: new retarget formula)

and

http://cryptobytes.info/block/fe39681f8993d260e1e8044a291e156b96db7f84e0b4b13b8b4fa49c8c9135fd

@artos: what's the plan?