Weird line in rounded corner for Adobe Illustrator 25.1

New Here ,
Jan 12, 2021

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Hi,

 

I just update my Adobe Illustrator into version 25.1 in Mac Big Sur. I just notice when I make rounded corner line and lower the opacity you will see some weird line.

 

rounded-corner.jpg

This problem also appear when I use pen tool

error-2.jpg

I didn't see the problem before I update the latest Illustrator. Is it bug?

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1 Correct Answer

Most Valuable Participant , Jan 12, 2021
Jacob Bugge Most Valuable Participant , Jan 12, 2021
dhimasnih,   The long answer is Ctrl/Cmd+E.  

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Most Valuable Participant ,
Jan 12, 2021

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dhimasnih,

 

The long answer is Ctrl/Cmd+E.

 

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New Here ,
Jan 12, 2021

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Wow that's work, so something wrong with my gpu?

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Most Valuable Participant ,
Jan 12, 2021

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Exactly, dhimasnih.

 

Ctrl/Cmd+E toggles between GPU and CPU Preview, GPU causing the issue.

 

This is what GPU is about:
https://helpx.adobe.com/illustrator/kb/gpu-performance-preview-improvements.html

 

GPU is faster, sometimes too fast.

 

Graphics cards are included in the system requirements:
https://helpx.adobe.com/illustrator/system-requirements.html
https://helpx.adobe.com/illustrator/system-requirements/earlier-versions.html
https://helpx.adobe.com/illustrator/system-requirements-old-versions.html


Apart from an inadequate card, the issue can be caused by lack of driver updating, lack of proper recognition of the card by the computer, and whatnot (including rifts in the space time, moon, weather, and the fact that Illy sometimes moves in mysterious ways).

 

Here are a few more pages about GPU troubleshooting:
https://helpx.adobe.com/illustrator/kb/gpu-performance-errors-troubleshooting-workarounds.html
https://helpx.adobe.com/illustrator/kb/illustrator-gpu-performance-driver-update.html

 

 

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Explorer ,
Feb 03, 2021

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I've been experiencing the same thing and it's never been there until recently. I understand switching to CPU view will "fix" it, but I don't understand why this is suddenly an issue.

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Most Valuable Participant ,
Feb 04, 2021

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Rob,

 

That is strange; unless there has been some OP/AI update with unexpected effects.

 

Have you tried the link?

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