After upgrading to Ubuntu 17.10, which comes with GNOME Shell 3.26.1, the notification icons (sounds, Wi-Fi, etc) in the top bar become blurry unless one hovers the mouse pointer over them. (Only if no application is open. If any window is open, the issue goes away.)
After upgrading to Ubuntu 17.10, which comes with GNOME Shell 3.26.1, the notification icons (sounds, Wi-Fi, etc) in the top bar become blurry unless one hovers the mouse pointer over them. (Only if no application is open. If any window is open, the issue goes away.)
blurry icons if mouse doesn't hover:
clear icons while mouse hovers: