UPDATE – This has now been released as the official firmware(known as 1.03). There are no differences between 1.03.01 and 1.03.
What’s New?
Prerelease 1.03.01 (includes all previously released updates)
Resolved Issues:
* Resolved the language displayed as OFF when English was selected
* Resolved the “Contains” button displayed as “ContainsWWW” in the search function
* Resolved MKV audio which [...]

0.5.6.1
* app.bins are disabled during upgrade process (aka no rcS’s are executed)

0.5.6
* shaved 25s+ off boot time!!!
* rearranged boot cycle
* rewrote device mounting subsystem
* sane-ified crazyboot
* better hub support
* all media files can now show up in various media library enabled areas
*** requires file called .addMounts on root of device you’d like extra mounts contained [...]

Sorry, we’re a little late on this post.  WD has released 1.02.10 Beta to the public with a few bug fixes.  Here is a quick rundown:
“What’s New?
Prerelease 1.02.10 (includes all previously released updates)
* Greek subtitles render slowly in Greek character encoding mode; subs render properly now * Korean subtitles disappear during the video [...]

After about a month off, WD has finally released a new beta firmware today.  It hasn’t been officially added to their prerelease site(as of the time of typing this) but it is available on their server.  From the readme:
Bugs fixed in 1.02.08:
-Some characters still missing from Greek font
-VC-1 MKVs playback poorly
-Audio out of sync during [...]

WDLXTV is a souped up unofficial firmware for the Western Digital WDTV, based off of the official 1.02.07 firmware. Changes include:

* OSD tweaks
* changed now playing view format
* added selectable 4, 6, 8 item list view (default=8) (via shell: config_tool -c THUMBNUM=X)
* added selectable 4, 8, 12 thumb browse view (default=12) (via shell: config_tool -c [...]

Over in our forums reaverxai posted a sleek looking new theme pack for everyone to enjoy.  The theme pack contains 2 background images, a screensaver, and 8 folder icons.  You can head over to his post and give it try.  Hopefully we can encourage more people to get into theme making business.  Check out the [...]

Over at B-RAD’s website you will see that a couple app packs have been released for his firmware.  The releases are ndas.app.bin-0.3.1 and screen-dump.app.bin-0.1.
ndas.app.bin-0.3.1
NDAS(Network Direct Attached Storage) is Ximeta’s patented technology which enables all digital storage devices(HDD, ODD, Memory, Tape Drives) direct connection into standard Ethernet networks. All users or systems on the network can [...]

The download links in the download section have disappeared and we are working hard to get them back up for you.  Please be patient and we will hopefully have them back up in the next few days.  If you are looking for the latest firmware you can head over to WD’s website here.  Thank you [...]

If you head over to the WD TV website, you will see that 1.02.07 has been brought out of beta, sorta.  This version appears to be the same as the beta release with no new fixes, but that hasn’t been completely confirmed yet.  The release notes also are the same as when it was in [...]

Western Digital’s latest beta has arrived, only a few days after the last beta, with a few minor fixes.  Fixed items and additions:

Added option to toggle subtitle default to ‘On’ or ‘Off’
Added subtitle outline thickness selection
Added hard drive spindown on WDTV power off

Download here
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This is a prerelease version of the [...]