Unreal Media Server v10.0 Release Notes.

Unreal Media Server:
   Added support for RTMP Flash live encoders such as FMLE, Wirecast, xSplit etc.
   Added support for automatic start and recovery of Apple HLS, MPEG2-TS and MS Smooth streaming.
   Updated RTSP receiver component: better support for some older IP cameras.
   Improved performance of UMS protocol streaming via RTP(UDP).

Unreal Media Server v9.5 Release Notes.

Unreal Media Server:
   Added support for Apple Http live streaming (HLS).
   Added support for Microsoft Smooth streaming.
   Other RTMP clients than Flash player can now pull rtmp streams from server, such as xSplit, vMix, Wowza etc.
   Fixes in RTSP receiver component: support for audio-only streams, ability to select streams.

Unreal Media Server v9.0 Release Notes.

Unreal Media Server:
   Ability to receive live RTSP streams from IP Cameras and other RTSP sources.
   Ability to receive live MPEG2-TS streams from broadcasting equipment.
   Native support for UMS protocol via HTTP transport; UHttpProxy is now used for HTTPS transport only.
   New file engine allows streaming ANY possible file container format; no 3-rd party splitters needed any more.
   RTMPT protocol support.
   RTMP/RTMPT streaming for files.
   Unicast and multicast streaming via MPEG2-TS protocol, for files and live broadcasts.

Unreal Live Server:
   Live Server is completely free with no limitations: 
   Ability to encode with custom codecs and to record based on motion detection is included in the free version.
   Live Server automatically reconnects live sources to Media Server on startup.
   Removed size restriction for Flash-compatible encoding.
   Improved support for USB cameras with hardware H264-encoding.
   Ability to select Baseline and Main profiles in H264 codec.
   Improved AAC Audio Encoding.
   Improved mp4 recording.

Streaming Media Player, ActiveX control and cross-browser plugin:
   Native support for UMS protocol via HTTP transport; UHttpProxy is now used for HTTPS transport only.
   Player automatically connects via HTTP if TCP/UDP connection attempt failed.