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Mark Gervais

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  1. GPU Preview glitches with clipping masks and transparency (since Illustrator 29.6.0), white rectangle appears below

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    38 comments  ·  Illustrator (Desktop) Bugs » Rendering Issues (GPU, CPU)  ·  Admin →
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    Mark Gervais supported this idea  · 
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    Mark Gervais commented  · 

    I've upgraded to Ai 29.7 and this is still an issue as many have described here. Super aggravating!

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    Mark Gervais commented  · 

    Upon upgrading to Ai 29.6.1 it has introduced rendering issues to shapes with clipping masks. You can see the behaviour in the video. It draws a white box where the bounding boxes seem to intersect. This has behaved exactly the same after multiple reboots so it doesn't seem to be going away. After some testing I can see what seems to trigger it.

    - it seems to only happen when the interior shape has a slightly more complex appearance
    - it occurs when the interior shape has both a fill and a stroke and has less than 100% opacity on either element.
    - Switching to Pixel Preview eliminates the issue
    - Copying and pasting the vector files to Photoshop does not transfer the issue, even when pasting as a Smart Object
    - Switching OFF GPU Performance in the Performance Settings fixes the issue. It also makes Ai sloooooowwwww and kinda hellish to work in.

    - MacOS 15.5 > Intel iMac Pro 2017

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