November 16th, 2018
Google has recently launched its Android L Developer preview which allows developers to install the new version of Android and start developing apps or optimize their old apps for the platform. Android L brings a ton of changes to Android, with huge improvements to notifications, new buttons, battery improvements, 64 bit support and more. How to install Android L developer preview (if you are not a developer) on the Nexus 5 and Nexus 7
Keep in mind that doing this installation will wipe your device and make you lose all of your data, this is why it is important for you to backup all of your data before you start upgrading.