'Scrap' appearing in preview mode
See screen grabs; unwanted shapes appear along contours in filled shapes.
I'm on MacOS10.14.6
Same here -terrified its going to be on client preview or on press.
Big sur 11.6
Mac mini 2020
If you still have the file, please send it to email@example.com, and provide your GPU specs.
Meanwhile disable GPU rendering to workaround this.