Today’s new beta release incorporates one of Chrome’s most significant speed and performance increases to date, with 30% and 35% improvement on the V8 and SunSpider benchmarks over the previous beta channel release. In fact, looking back in time, Chrome’s performance has improved by as much as 213% and 305% on these two benchmarks since our very first beta.
There's a lot of new features included in the new update, but the one I really like is the Bookmarks/preferences/theme sync. It's like I can pull my home browser anywhere! However there's one thing you need to be careful of, once you install the sync, it'll stay there unless you delete or uninstall it. One more thing to improve upon I guess.