Western Digital has released a new pre-release beta firmware version. No official release notes to be found yet but these are some quick notes:

• Windows-1250 Central European encoding added
• Subtitle rendering quality improved
• AVI loading time improved
• Fixed an issue where thumbnails weren’t loading sometimes
• Thumbnail loading times improved

Download here

This is a prerelease version of the firmware. Feel free to install it but be aware this is beta firmware so use it at your own risk. If you are not comfortable with this, please wait for the final version.