Scrubby Zoom - GPU View greyed out
I'm unable to toggle GPU Preview.
This is a new concern since I was able to toggle it on/off a few weeks ago.
Please get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html . Since this is not a generic issue that we can reproduce at our end, we will need someone to look into your machine to figure out what is going on here.
Sarah Khan (Illustrator team) commented
Can you share with us your system info. Inside Illustrator , go to Help->System Info. Copy its contents and send it to us on email@example.com.