The faster and more powerful Raspberry Pi 2 makes it possible to run more and different operating systems than with earlier versions. Here is my first-hand experience loading and running Ubuntu MATE on the Pi.
A full Vulkan driver will soon be coming to the Raspberry Pi 4.
If you've looked at the Raspberry Pi and thought it looked cool but just too much work to set up, you might like the newest iteration.
Now there is an alternative to Raspberry Pi that has an AMD Ryzen CPU. Axiomtek has announced the launch of a new SBC (Single-board computer), a complete