clipping mask Bug/glitch
Hello.
I'm using illustrator CC (25.1) and MacOS 11.1.
When I use clipping mask, sometimes Illustrator shows a duplicate shape of that mask or shows what's inside the clipping mask (that should be hidden). When I scroll through the artboards, the clipping mask start to blink like a glitch effect.
If you look the at the attached files you can see at the top, a clipping mask with some brown shapes inside. When I scroll down, another rectangle shows up.


Hi All,
We recieved responses from few users , that with the latest Ai update , the issue is not reproducible at their end .
Closing the issue for now , please let us know in the comments , if you are still facing the issue.
Regards,
Illustrator Team
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Divya N commented
Is this issue going to be resolved? I can barely see my work due to the glitchy clipping mask!!! I am using AI's lastest version 27.1.1
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Hazel Thumath commented
This is still happening for me after latest update. Only happens in GPU preview. Maddening.
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Beibei commented
Hate to say this, but this it's still happening on the daily basis for me.
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I wonder if disabling GPU Preview helps
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Simone Marian commented
I also have constantly this problem.... very annoying. It all started when I update illustrator to the last version 26.0
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Denis commented
Problem is very actual! Windows, 25.4.1
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Ramona H commented
i get the same thing but also just for filled, solid shapes (closed). Also things are constantly looking like they are not clipped in some areas....extremely annoying.
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Anonymous commented
I have the same problem. clipping masks change when I zoom in on the artboard. Glad I'm not the only one! (Illustrator v 25.2.1, Mac OS 11.1)
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Leigh commented
I have an image with a clipping path which works in Illustrator 24.3, but turns all white in Illustrator 25.2 Could be related to this clipping mask bug. Running macOS Mojave.