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 [...]

The latest version is now out with only a couple changes.  The two changes are that it is now based on the 1.02.11 firmware and it includes Ernis patched mount.watch (untested).
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VN:F [1.7.2_963]Rating: +10 (from 52 votes)

After months of inactivity a new release is finally out!  Remember, this is still a beta release.  Here’s whats new:
Resolved Issues:

Resolved issue where UI Language displayed as OFF when English is selected.
Resolved UI issue where “ContainsWWW” shows up in the search menu instead of “Contains”.
Resolved MKV audio/video sync issues.
Resolved issue where songs were displayed in [...]