Raspbian, the main distro for the Raspberry Pi, has now been released based on Debian 9 (Stretch). While this provides the benefits and enhancements of a more recent Linux release, another benefit is the updated products available in the Debian repository.

You can download Raspian from https://www.raspberrypi.org/downloads/raspbian/

Raspbian Stretch with desktop
Image with desktop based on Debian Stretch
Version: August 2017
Release date: 2017-08-16
Kernel version: 4.9

Release notes:
2017-08-16:
  * Based on Raspbian Stretch (Debian version 9)
  * Version 60 of Chromium browser included
  * Version 3.0.1 of Sonic Pi included
  * Version 6.1.1 of RealVNC included
  * Version 0.17.4 of NodeRED included
  * Bluetooth audio routed via ALSA rather than Pulseaudio
  * SenseHAT extension added to Scratch 2
  * Various desktop applications modified to prompt for sudo password if needed
  * lxinput control options for mouse speed simplified
  * lxpanel plugins moved into separate packages
  * Wireless firmware for Pi 3 and Pi 0W modified to address Broadpwn exploit
  * Latest kernel and firmware
  * Various small tweaks, bug fixes and theme modifications