The Dev channel lets you test the latest fixes and get access to new features as they’re being developed. You can learn more about the Dev channel and how to subscribe here: http://dev.chromium.org/getting-involved/dev-channel/
Google Chrome Release Highlights: Plugin Fixes
This recent release includes several changes and bug fixes that improve the performance of plugins, especially Adobe Flash video. They have addressed the issues with plugins causing 100% CPU usage, locking up Google Chrome, and not playing at all on some pages.
The new release of Google Chrome has also improved the experience with some of the default search engines. It has improved results display with voila.fr (French), enabled search suggestions for voila.fr and daum.net (Korean), and fixed an issue that sometimes prevented importing Windows Live Search as your default from the IE settings.
There were many more minor changes. A more complete list of fixes can be found here: http://dev.chromium.org/getting-involved/dev-channel/release-notes