Google Chrome Beta channel has been updated to 18.0.1025.140 for all platforms

Google Chrome Beta Channel Update (March 26, 2012)
Google Chrome Beta channel has been updated to 18.0.1025.140 for Windows, MAC OS, Linux and Chrome Frame platforms. This release contains a number of bug fixes over the previous release. The full details about changes that are in this version of Google Chrome listed in "What's new in Google Chrome 18.0.1025.140 Beta" section.

Google Chrome 18 contains some really great improvements including GPU accelerating 2D Canvas, and enabling 3D content for older GPUs. For most Windows and Mac users, Google've enabled GPU-accelerated rendering of 2D Canvas content, so that canvas-based games and animations run faster and feel smoother. You can go to chrome://gpu to see which features are being accelerated

Google Chrome 18 Beta is now able to display 3D content via SwiftShader, a software rasterizer Google licensed from TransGaming, Inc. Although SwiftShader won’t perform as well as a real GPU, it will be an improvement for many of our users on older operating systems such as Windows XP.

Overview
Google Chrome is a browser that combines a minimal design with sophisticated technology to make the web faster, safer, and easier. It has one box for everything: Type in the address bar and get suggestions for both search and web pages. Will give you thumbnails of your top sites; Access your favorite pages instantly with lightning speed from any new tab. Desktop shortcuts allow you to launch your favorite Web apps straight from your desktop.

Download Google Chrome Beta
Interested in using the Google Chrome Beta channel please visit www.google.com/chrome beta website.

Google Chrome 18.0.1025.140 Beta

New features in Google Chrome 18 Beta
Google Chrome 18 Beta contains a number of new features including:

• GPU accelerating 2D Canvas.
• Added support for 3D content on older GPUs.

What's new in Google Chrome 18.0.1025.140 Beta
Google Chrome 18.0.1025.140 Beta has the following changes:

All:

• Fixed Font settings aren't saved on quit (Issue: 112706)
• Fixed IME failure on specific flows with a windowless Flash (Issue: 117758)
• Fixed Crash when creating a new tab while the previous one is still loading (Issue: 87176)
• Fixed Drag and Drop issues (Issue: 119700)

Chrome Frame:

• Fixed "Find Next" button does not work as intended (Issue: 112193)

You can find the full details about changes that are in this version of Chrome 18 from the SVN revision log.

Source: Google Chrome Releases