General:
Added support for UPnP connections and playback
Added the option to use info from IMDB with filename prettifying
Added HTML5 video support to the web interface
Create custom per-device configuration files to override any general renderer or UMS setting
Major redesign of the status tab to show per-renderer information
Minor tweaks to the GUI
Improved player control
Includes the possibility to allow UMS to control renders automatically
Web player can also be controlled
Automatic reloading of external files
Documentation updates
New xmb playlist folders with optional automatic starting, looping, and saving, editable from web or xmb
A dynamic xmb playlist for on-the-fly playlist creation from web or xmb
Better bump/gui player playlists with optional automatic looping
Push playback support for chromecast and web browsers
Changed the interface for enabling/disabling renderer configurations
Changed the default setting for wrap_dts_into_pcm to false
Made sure files are always directly streamable via the Transcoding folder
Added the UMS_MAX_MEMORY variable to UMS.sh
Fixed audio downsampling
Fixed a bug with parsing formats from MediaInfo
Removed the database compacting method that was never recommended
Fixed a startup error
Minor bugfixes and code optimizations
Renderers:
Added support for Panasonic DMP-BDT360 devices
Added support for Samsung H6500 Blu-ray Disc players
Added support for Telefunken TVs
Improved support for Chromecast (cast from UMS webui/gui)
Improved support for Panasonic Viera AS650 series TVs
Improved support for Samsung C6600 series TVs
Improved support for Sony Blu-ray Disc players
Improved support for Sony Bravia W series TVs
Improved file compatibility on non-PS3 renderers
Fixed detection of some Samsung renderers
Languages:
Updated Czech translation
External Components:
Updated h2database to 1.4.185
Updated Maven Assembly Plugin to 2.5.2
Updated Maven Compiler Plugin to 3.2
Updated Maven Git Commit ID Plugin to 2.1.11
Updated Maven Source Plugin to 2.4
Updated Maven Surefire plugins to 2.18
Updated MediaInfo to 0.7.71, which:
Improves folder population time
Improves detection of many formats
Fixes bugs
Updated MPlayer/MEncoder for Windows to SB63, which:
Fixes support for DVD audio
Improves support for many containers and codecs
Fixes bugs

General:
Fixed text in the Windows automatic updater
Fixed MediaInfo not parsing some rare data
Fixed detection of font attachments
Fixed support for subtitled files with apostrophes in the name
Fixed errors when packing debug files
Fixed support for resuming playback on some devices
Improved support for MOV, 3GP and 3G2 files
Reduced CPU load when the Status tab is visible
Improved support for 1920x1088 videos
Fixed logging error
Fixed the web interface when browsing via Safari
Improved stability when disabling renderers
Renderers:
Added support for Kodi Media Center
Added support for more Panasonic Blu-ray players
Added support for Samsung HT-F4 series home entertainment systems
Improved detection of some LG TVs
Improved detection of some Panasonic Blu-ray players and TVs
Improved detection of some Samsung devices
Improved support for Samsung ES6100 TVs
Improved support for Samsung ES6575 TVs
Improved support for Sony Xperia Z3 smart phones
Updated the image for Xbox 360
Fixed 24-bit FLAC playback on PS3 via the Videos folder
Languages:
Updated Czech translation
Updated French translation (thanks, Kirvx!)
Updated Spanish translation (thanks, AlfredoRamos!)
External Components:
Updated MediaInfo for OS X to 0.7.71, which:
Improved folder population time
Added and improved support for many formats
Fixed bugs

General:
Added 64-bit versions of FFmpeg for a ~10% increase in transcoding speed
Removed the "Save" button since changes to settings are now saved automatically
Improved detection of playback states
Improved connection awareness
Improved True Motion frame interpolation speed by up to 20%
Improved folder population speed
Improved support for 3GPP files
Improved descriptions of settings
Slightly altered the memory usage bar
Fixed the renderer SeekByTime setting
Fixed renderer detection and recognition in some cases
Fixed display names for videos that have the Track (song title) value set
Fixed incorrect ContentFeatures headers being sent to renderers (thanks, master-nevi!)
Fixed the web logviewer
Fixed bugs with 3D subtitles
Fixed the setting for using embedded subtitles styles

Renderers:
Fixed filename bug on Sony Bravia TVs
Improved support for LG LED-backlit LCD 2014 TVs
Improved support for Samsung H6203 TVs

Languages:
Made more strings translatable
Updated Czech translation
Updated Dutch translation (thanks, ler0y!)
Updated French translation (thanks, Kirvx!)
Updated Italian translation (thanks, bartsimp!)

External Components:
Updated Chromecast Java API to 0.0.6
Updated Commons Codec to 1.10
Updated FEST Util to 1.2.5
Updated FFmpeg for Windows and OS X, which:
Improved support for many containers and codecs
Fixed bugs
Updated Gson to 2.3.1
Updated h2database to 1.4.186, which:
Fixed memory issues
Fixed caching issues
Updated InterFrame to 2.8.0, which:
Increased processing speed by up to 20%
Reduced memory use
Reduced dependencies
Updated JDom to 2.0.2
Updated JUnit to 4.12
Updated Plexus Utils to 3.0.21
Updated slf4j to 1.7.10

Changes since 5.1.1:

General:
Fixed MediaInfo dependency

General:
Improved efficiency of configuration file loading (thanks, Nadahar!)
Improved support for quotation marks and apostrophes on some renderers (thanks, Nadahar!)
Fixed broken 32-bit MediaInfo dependency
Renderers:
Fixed Xbox One thumbnails
Languages:
Updated Spanish translation (thanks, AlfredoRamos!)

[5.2.0]General:
Made tsMuxeR use FFmpeg instead of MEncoder
Made tsMuxeR transcode audio to AAC if the renderer expects AAC
Improved FFmpeg responsiveness during fast-forward and rewind
Improved automatic rescaling
Fixed detection of aspect ratios
Merged the install/uninstall Windows Service buttons into one button (thanks, taconaut!)
Add zoom/fit to web image viewer
Fixed a bug with sending external subtitles
Fixed MIME type finalization when parsing media
Fixed transcoding to AAC via MEncoder
Support late resolution of media length
Improved the accuracy of video metadata
Added ThumbnailWidth and ThumbnailHeight renderer settings
Added support for file extensions: AC3, AMR and TTA (thanks, ler0y!)
Fixed custom device configuration loading
Added more logging
Fixed folders not showing if they were previously empty, with "hide empty folders" enabled (thanks, jensaarai!)
Cleaned up the titles in the transcode folder in some cases
Various minor improvements/fixes
Expanded code testing for improved stability
Renderers:
Added support for Sony PlayStation 4
Improved thumbnail display on Panasonic TVs
Improved thumbnail display on Microsoft Xbox One
Languages:
Updated English translation (thanks, Nadahar!)
Updated Norwegian translation (thanks, Nadahar!)
External Components:
Rolled back FFmpeg on OS X to fix transcoding for some users
Updated Netty to 4.0.29

General:
Fixed audio transcoding with embedded images (thanks, Nadahar!)
Improved MIME type handling
Improved logging
Expanded filename prettifying
Improved renderer selection interface (thanks, Nadahar!)
Improved file support (thanks, Nadahar!)
Speed improvements

Renderers:
Improved support for Xbox 360

Languages:
Updated all languages to remove unused translations (thanks, ler0y and Nadahar!)
Updated Dutch translation (thanks, ler0y!)
Updated English (thanks, ler0y!)
Updated Polish translation (thanks, Karol Szastok!)

External Components:
Updated FFmpeg for Windows
Updated MediaInfo to 0.7.75
Updated Netty to 3.10.4

General:
Improved logging and logging options
Improved language translations
Improved Windows 10 support
Improved playback stability
Changed default thumbnail seeking position from 2 seconds to 4 seconds
Minor status tab updates
Fixed the web interface Flash player
Fixed many bugs
Renderers:
Improved detection of AirPlayer
Improved folder population time on Panasonic TVs
Improved support for Samsung TVs
Improved support for Vizio TVs
Languages:
Improved accuracy of automatic subtitles language detection
Updated many languages based on contributions from Crowdin
External Components:
Updated AssertJ to 2.2.0
Updated h2database to 1.4.189
Updated FFmpeg for Windows
Updated Javassist to 3.20.0-GA
Updated jmustache to 1.10
Updated JNA to 4.2.0
Updated maven-antrun-plugin to 1.7
Updated Plexus-utils to 3.0.22
Updated Seamless to 1.1.1