- GNOME replaced Unity
- Bluetooth improvements with a new BlueZ
- Switched to libinput
- 4K/Multimonitor/HiDPI improvements
- Upgraded to Network Manager 1.8
- New Subiquity server installer
- Minimal images (36MB, 18% smaller)
And several others have excellent work in progress, and will be complete by 17.10:
- Autoremove old kernels from /boot
- EXT4 encryption with fscrypt
- Better GPU/CUDA support
In summary -- your feedback matters! There are hundreds of engineers and designers working for *you* to continue making Ubuntu amazing! Along with the switch from Unity to GNOME, we're also reviewing some of the desktop applications we package and ship in Ubuntu. We're looking to crowdsource input on your favorite Linux applications across a broad set of classic desktop functionality. We invite you to contribute by listing the applications you find most useful in Linux in order of preference.
Click through for info on how to contribute.