Chrome OS R10 (release 0.10.156.46) has been updated to Beta channel

Chrome OS is an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web.

Google has been updated Chrome OS Beta channel to R10 release 0.10.156.46 including the new Chrome 10 Beta, new trackpad and several stability and functional improvements over the previous release.

Chrome OS R10 (release 0.10.156.46) Beta release contains the following security fixes:
- Scratchpad application security vulnerability fix

In addition to all Chrome 10 new features (see Chrome 10 blogpost), there are several Chrome OS great improvements including:
- 3G modem activation fixes
- 3G connection to the carrier fixes
- Wi-Fi connectivity/Out of the Box fixes
- New trackpad and sensitivity setting adjusted
- Auto update engine and debugging improvements
- Power optimizations
- GTalk video/chat optimizations
- Audio CPU utilization improvements
- Improved on screen indicators: brightness, network status, update icon

There is one known issue:
- [Bug 12085] Audio does not pick up until browser refresh upon lid re-open

Source:
• Chrome OS Beta Channel Update