This screams for proper release notes. The official ones are pretty light ( http://git.videolan.org/gitweb.cgi/ffmpeg.git/?p=ffmpeg.git;... ), and refer to the Changelog ( http://git.videolan.org/gitweb.cgi/ffmpeg.git/?p=ffmpeg.git;... ) which is quite terse. Phoronix did some reformatting of the changelog, it's a bit easier to read: http://www.phoronix.com/scan.php?page=news_item&px=FFmpeg-3.... But honestly this ty…
I think the main highlights are:
- The API/ABI break (implied by the major bump)
- The many improvements in the native AAC encoder making it the recommended one (libaacplus and libvo-aacenc are removed)
- A ton of filters were added
- Many ASM optimizations that weren't mentioned in the Changelog (it will take a while to make highlights on those, I don't remember them)
Hopefully a proper news will be posted soon. Sorry again.