Universal Media Server (UMS) by 'SubJunk' is a multi-platform UPnP Media Server based on PS3 Media Server. It is available on Windows, Linux and Mac OS X, and both the PlayStation 3 and the XBOX 360 (along with many other devices) are supported by it.

Here's the full changelog:

- General:
Updated layout on the Transcoding Settings tab
Improved aspect ratio handling on Panasonic and Sony TVs
Enabled ASS/SSA subtitle support on Linux by default
Now compiled with Java 7
Optimized code for Java 7
The installer only tells Windows to run UMS at startup on new installs or if the user has specified it in UMS
Added RTMP support to FFmpeg Web Video engine
Fixed fontconfig support on OS X
FFmpeg can transcode to x264 with the renderer option TranscodeVideo=H264TSAC3
FFmpeg supports video muxing
Made muxing more reliable
Improved audio sync in FFmpeg
Improved FFmpeg buffering
Bandwidth limit is more accurate with FFmpeg

- Renderers:
Added support for KalemSoft Media Player on BlackBerry PlayBook devices
Added support for Netgear NeoTV
Added support for Telstra T-Box
Added support for Yamaha RX-3900
Improved support for Sony Blu-ray players

- Languages:
Made languages more consistent with eachother
Updated Russian translation (thanks, Tianuchka!)
Changed default audio/subtitles language priority for English users, which:
* Disables subtitles when audio is English, otherwise look for English subtitles, prioritizing external before internal subtitles
Added language flags for Arabic, Croatian, Estonian, Latvian, Serbian and Vietnamese

- External Components:
Updated FFmpeg for Windows and Linux to SB8, which:
* Increases x264 encoding speed
Updated InterFrame to 2.5.0, which:
* Improves scene-change detection
* Minimizes artifacts
Updated Java Runtime Environment automatic downloader for Windows to 7u17, which:
* Fixes serious security holes
Updated MediaInfo for Windows to 0.7.62