BizHawk 1.5.3 Released!
BizHawk 1.5.2 Released!
Opus codec has been in use for audio in "modern HQ" encodes since 2460M.
Forum thread with more information, including media players supporting the codec.
Dolphin 4.0 has been released annoucement / Changelog.
BizHawk now supports Nintendo 64 and Saturn. Version 1.5.1 is a highly recommended bug fix release for 1.5.0.