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

I've encountered a rendering issue starting in Illustrator 29.6.0, and it's still present in 29.6.1. Here's how to reproduce it:

  1. Create a simple circle.
  2. Create a simple rectangle.
  3. Place the circle inside the rectangle using a clipping mask.
  4. Apply any transparency to the circle (e.g., set opacity < 100%, or add a drop shadow).

Result:
The rendering becomes corrupted for any object positioned beneath the clipping mask (try placing a filled shape underneath to see the issue clearly).

Additional Notes:

The issue only appears in GPU Preview.
Switching to CPU Preview restores correct rendering.
Changing the color profile or color model did not resolve the issue.
Deleting Illustrator's preferences folder also had no effect.
Rolling back to Illustrator 29.5 resolves the issue.
Apologies for not including a screenshot – I rolled back to 29.5 before capturing one.

System:
iMac Retina 5K (27", 2017)
macOS Ventura 13.7.6

15 votes

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Ahmad shared this idea  ·   ·  Report…  ·  Admin →
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  • K commented  ·   ·  Report

    hi Egor
    but I need to do the graphic with transparent this preview issue happened when I updated ai 205, if I use ai 2024, the preview is fine

  • K commented  ·   ·  Report

    Preview issue after updated illustrator
    When an irregular shape clipping mask a gradient shape with opacity control, the preview is not correct, the graphic will show white colour outside of the mask which is the part of gradient object.

    On pixel view is fine

    iMac
    Retina 5K, 27-inch, 2019
    Processor 3 GHz 6-Core Intel Core
    i5
    Graphics Radeon Pro 570X 4 GB
    Memory 40 GB 2667 MHz DDR4

    macOS Sequoia 15.5

    Adobe illustrator 2025 29.6

  • AdminEgor Chistyakov (Admin, Adobe Illustrator) commented  ·   ·  Report

    'Blank square'? Please show how it looks (both the object on canvas and its location in the Layers panel).
    If possible — share the file here. Add more details: when it happens? What kind of objects does this affect?

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Illustrator (Desktop) Bugs: Rendering Issues (GPU, CPU)

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