The full change log is below but highlights include:

BDISO support (no menu’s sorry – this is a licensing issue and is only available on players double the price – insert boo-hiss at Sony) and Improved HDMI handshaking.

So head over to the official Mede8er forum for the download:

http://www.mede8erforum.com/index.php?topic=593

Mede8er Change Log V2.0 — 24 December  2009

Codec and Core  Improvements
1 BDISO with subtitle support (no menu)
2 BDMV with subtitle support (no menu)
3 Added DVD folder play ie VIDEO_TS
4 Improved Flac, MKV, MOV codec  
5 Fixed DTS audio sync MKV 23.976 files
6 SD Upsample to 1080p improved – Improved picture quality
7 Added USB DVD ROM support – Beta
8 Improved HDMI handshaking
9 LPCM Multichannel added — ACC surround sound  

New Functionality
1 Add FTP support for network file transfer
2 Added Host Name option change to Setup Menu – Network
3 Internet time update feature – live time update via internet Setup Menu
4 Aspect Ratio 16:10 added
5 HDMI – LPCM Multichannel added – Multichannel AAC files only
6 Added PPPoE support
7 Added Subtitle on/off control in setup menu
8 New Photo effect Kens Burns
9 New Seamless Option – Setup Misc  – for streaming TS files  
10 Autoplay folder functionality added – create “autoplay” folder on internal HDD or USB Stick / SD  Card  and load the folder with either music or video files. On start up the Mede8er will play the “autoplay” folder automatically.   ( “autoplay” folder name can be autoplay /Autoplay /AutoPlay)
11 Added Russian language GUI support
12 Added Hue & Saturation controls in Setup menu
13 Added  AV System setting ie PAL or NTSC
14 Added fixed IP in WiFi setup
15 Added Plasma Screen Filter Mode in Setup
16 Added Text Encoding support for additional Languages (Subtitle)
17 Added user-defined font support – save any TTF font onto the root of your Local HDD or the root of a USB flash drive or the root of a SD Card and rename it font.ttf. Go to Setup Menu –System – you will be able to change the System Font.  
18 Chinese Subtitle and GUI added
19 Screensaver added mp3 –”title – artist” if id3 tab available otherwise filename    
20 Screensaver speed changed
21 “Preview off” navigation improved

Fixes
1 Fixed DVD short freeze on network play
2 NAS mode stopping and requiring a re-boot
3 Improved new file name and rename increased max characters to 36
4 Rename file — Text string now shown on keyboard
5 Rename failure on read only network share now reported
6 Fixed analogue audio problem — when system paused
7 Screensaver added to still jpg file when “slow” button used
8 Fixed auto turn on bug when the Mede8er unit is switched off from remote
9 Fix Hebrew subtitle punctuation
10 Improved WiFi setup screen – WPS etc
11 Improved WiFi performance
12 My Shortcuts — Changed Net User ID’ to User Name and “Net Password” to Password”
13 Changed Media Library1 — Net to Network
14 Changed Media Library1 — UPNP to UPnP
15 Changed GUI text colour to white
16 Improved in folder about.jpg preview speed
17  Fixed Music button function on remote  
18 Improved Samba performance
19 TV SYS button timing changed
20 Improved navigation speed and in-folder jpg rendering time
21 Changed Samba default login to Guest and no password
22 M3u info message removed
23 Removed “Login Successful” message Samba network
24 USB unplugged changed text to “USB Unplugged”
25 Zoom W – Change to “Zoom to Width”
26 Zoom H – Change to “Zoom to Height”
27 Zoom X:Y changes to 1% increments
28 Improved subtitle with black shadow