- libbs2b-based stereo-to-binaural audio filter
- native Opus decoder
- display matrix export and rotation api
+- drop avserver, it was unmaintained for years and largely broken
+- Icecast protocol
+- request icecast metadata by default
+- support for using metadata in stream specifiers in avtools
+- Aliases and defaults for Ogg subtypes (opus, spx)
version 10: