14 DAY TRIAL // The latest Dev channel seems to focus on Windows platform, as there is only one prominent change that affects all supported operating system; and that refers to fixing a possible hang caused by GPU usage.
The important changes on the Windows version of the browser include the re-instatement of the Native Client on the 64-bit platform. When fully developed, NaCl will allow software to run sandboxed in the browser.
Additional mending in Chrome 17.0.932.0 refers to a bug that caused the notification for missing plug-in to appear without a proper reason. The plug-in infobar ("An additional plug-in is required to display some elements on this page") would pop up even on websites such as YouTube, without informing which component needs to be installed.
Initial user reports suggested that Skype extension had something to do with the nag screen, as after disabling or uninstalling it the info bar would no longer appear. Luckily, the problem is now solved.