0.10.5 was released on 2012-09-19. It is the latest stable FFmpeg release from the 0.10 release branch, which was cut from master on 2012-01-26. Amongst lots of other changes, it includes all changes from ffmpeg-mt, libav master of 2012-01-26, libav 0.8.3 as of 2012-09-19.
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