Google Chrome 5.0.307.5 has just launched on the developer channel for Mac and Linux, they have just fixed several bugs and issues, as per the release notes following issues has been fixed.
(Mac/Linux) Fix themes being corrupted after upgrade (bad colors, extra wrench menu, etc);
(Mac) Fix a crash when the page is closed or navigates while a popup menu is open;
(Mac) Bookmark manager: restore focus when people press Esc;
(Mac) Bookmark manager: Fix a crash on deleting a folder;
(Mac) Fix a crash when plugins are scrolled or multiple plugins frames load;
(Mac) Prevent tabs from closing when a popup window is open;
(Linux) Fix a browser crash when the network connection is down;
(Mac) Fix a crash when opening a menu while the browser starts;
(Linux) Developer Tools: fix broken autocomplete;
(Mac) Fix cookie management dialog being slow to load;
(Linux) Fix App and Edit menus not appearing on pressing Alt+F or Alt+E.