Scatter Brush - cannot make adjustments
Mac OS 10.14.1 Illustrator 23.0.1 Scatter Brush dialog will not Preview adjustments, will not accept "OK." Must Cancel and lose adjustments to leave dialog.
Same problem here on Illustrator 23.0.3 running on MacOS Mojave.
It works for a limited amount of times when I restart the illustrator or create a new brush.
Just did some other tests and I could change the settings an unlimited times only if I create a brush and don't change the name. When I finally change the name after a few setting changes I couldn't hit OK. But if I click Cancel and come again to edit, I can change every setting normally and click ok only if I don't change the name.
Josh Burns commented
I had the same problem running Illustrator 23.0.3
It works again on restart of illustrator.
System Architecture: x64
Built-In Memory: 16337 MB