Chrome for Android is expected to start aligning with desktop releases of the browser by "early next year," according to a post by the Chrome team on Google+.
Q. Chrome for Android is still at v18, while regular Chrome is at v23. When will Chrome for Android catch up?
A. Soon! We expect an update to Chrome for Android starting with a developer update to happen before the end of the year, and we’re actively working towards aligning releases across all platforms, including Android, starting early next year.