How to update your Raspberry Pi with the new September 2014 release.
You can update the system and packages with
sudo apt-get update
sudo apt-get upgrade
This will update your kernel and all the packages you have installed. For example if your image had Sonic Pi v1 installed, the package will be updated to v2.
For packages which are new to the image, like Minecraft and the browser, you’ll have to explicitly install them, e.g.
sudo apt-get install minecraft-pi
sudo apt-get install epiphany-browser
Thanks to Ben Nuttall.
If you head over to the downloads page, you’ll find new versions of our Raspbian image and NOOBS installer. Alongside the usual firmware and kernel improvements, major changes to the Raspbian image include: Java updated to JDK 8; Mathematica updated to version 10; Sonic Pi updated to version 2 …