I'm using r31113-111202. I don't use mpc or FLAC, though. I've mostly been using m4a (aac hev2, encoded by Nero AAC, two-pass mode), and ogg/vorbis (encoded by the version of aoTuv included in the latest FreAc). MP3's seem to be unaffected, although I've only tested one MP3. The same goes for WMA.