Google announced updates for Chrome on both iOS and Android on Wednesday. Chrome for iPhone and iPad has been updated to Chrome 23 / 23.0.1271.91. Chrome for Android has been updated to 18.0.1025469 for ARM devices and to 18.0.1026322 for x86 devices.
The iOS update includes a few new features and fixes for issues reported by users. In addition to stability and security improvements, the latest iOS update includes the ability to open PDFs in other apps, support for saving boarding passes and tickets with Passbook, and an option to automatically detect text encoding.
Google still maintains a list of known issues here.
The Android update includes stability fixes. Both versions of that one can be downloaded from the Google Play Store. Again, known issues can be found here.