
NVIDIA released the 387.22 driver earlier today in its short-lived driver series for Linux.
NVIDIA 378.22 features:
- New GPU support: GTX 1070Ti.
- Added an nvidia.ko kernel module parameter to enable experimental handling of laptop backlight brightness through /sys/class/backlight/.
- Added G-SYNC to all supported Vulkan swapchains for Maxwell and up.
- Various other improvements and bug-fixes. See here for details.
How to Install NVIDIA 387.22 in Ubuntu:
Besides downloading the official .run installers from Nvidia website, the Graphics Team PPA maintains the latest packages.
Ubuntu 17.10, and Ubuntu 18.04 are supported at the moment of writing, check the PPA link to see if you system is supported.
1. Open terminal via Ctrl+Alt+T or by searching ‘terminal’ from application launcher. When it opens, run command to add the PPA:
sudo add-apt-repository ppa:graphics-drivers/ppa && sudo apt update
Input your password when it prompts (no visual feedback while typing) and hit Enter.
2. Then launch Software & Updates -> Additional Driver utility, choose the new driver from the list and apply changes.

For some devices, there may be a black screen issue after installing NVIDIA proprietary GPU drivers. Try setting NOMODESET in grub option, or removing the proprietary driver via command:
sudo apt-get purge nvidia*
You may need to boot into recovery mode -> root prompt, or press Ctrl+Alt+F1 on login screen to get into command console.