Google releases Chrome 62 on Android to fix major vulnerabilities, add some new features
So, for the most important part, this update includes fixes for the KRACK Wi-Fi vulnerabilities. This severe exploit made all platforms vulnerable, but devices running Android 6.0 Marshmallow and newer were the easiest to attack.
Google changed Chrome's notification style and interactions. It also enhanced touch experience in Files app and added support for full-screen apps in Enterprise Public Session mode. Finally, if you're using Chrome on an Android tablet, you'll be pleased to know that Google added the ability to zoom legacy apps in tablet mode.
source: Google
Things that are NOT allowed: