- libutvideo YUV 4:2:2 10bit support
- XCB-based screen-grabber
- UDP-Lite support (RFC 3828)
+- xBR scaling filter
+- AVFoundation screen capturing support
+- ffserver supports codec private options
+- creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
version 2.4:
- Icecast protocol