You now have the exciting ability to not anymore turn off Cortana! Well, unless you fancy digging around in the Registry, but yeah, they removed the GUI-toggle

You now have the exciting ability to not anymore turn off Cortana! Well, unless you fancy digging around in the Registry, but yeah, they removed the GUI-toggle for it. More seriously, though, the biggest thing is that they added Ubuntu-support with this update. The rest of the features are pretty boring.