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Illustrator (Desktop) Bugs

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When reporting a bug, please provide a detailed description with the following:

  1. Details of your operating system
  2. The version of Adobe Illustrator (desktop) 
  3. The steps you were taking when you experienced the issues
  4. Your expected result and the actual result
  5. Upload your Illustrator file or a video (screen recording or gif, this helps us most to reproduce the issue and resolve it)

What can we fix in Illustrator (desktop)? Vote or report a bug — one problem per entry, please.

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241 results found

  1. Drop shadows appear lighter in v28.1

    Drop shadows appear lighter in version 28.1 compared to previous versions.

    Applying a drop shadow and opening the same file side-by-side in two versions makes this clear. Both shadows have the same settings, files have the same colour settings and profile, and are displayed on the same monitor.

    The example images show version 28.1 and 27.9, but the change is evident between 28.0 and 28.1.

    11 votes
    12 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  2. Round Corners effect works wrong with curved paths

    The native Round Corners effect (not the corner widget!) can work well only with all-straight segments.
    It doesn’t round anything for points connecting straight and curved segments, straightens up curved segments, and hardly fit rounded corners within original paths.

    This is embarrassing. Fix it!

    10 votes
    2 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  3. A size of a selection with a certain object inside is calculated wrong

    Take a look at the GIF attached and the document.
    When the text object is selected, Illustrator fails to calculate the size and coordinates of the selection and uses the previous values.

    1. Open the file and display both Transform and Control panel (I don’t know if Properties panel does the same, because it’s just completely empty for me — another bug)
    2. Select the object with numbers — both panels display all zeroes (but Control has editable fields, while Transform have them disabled)
    3. Select any of two rectangles the document — panels display correct size (150×450 mm) and proper coordinates
    4. Select…
    10 votes
    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  4. Deleting Effect Causes Crash

    Any time I try to delete an effect from an object, illustrator crashes.

    10 votes
    9 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  5. Drop Shadow, Outer Glow, Etc. renders incorrectly on large polygons angled lines only

    When I make a drop shadow, outer glow etc. there are places on the shadow that end abruptly in intervals. I make a triangle or any polygon (even a rectangle that is rotated). Go to Effect > Illustrator Effect > Stylize > Drop Shadow. Multiply: 75%:0":0":0.5". Color Black. I've tried other colors and other settings for Blur and Mode. This does the exact same thing using Outer Glow. I have a 66" x 36" artboard on the examples below.

    Windows 10 - Illustrator v.24.0.1

    10 votes
    Under Review  ·  52 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  6. Appearance items below get expanded / unfurled when anything changes in the panel

    Assign many fills to a path using Appearance.
    Do anything with anything in the panel: change a color, assign an effect, add another fill.

    Fills below the current one get unfurled.

    These could be fills just below the current view of the panel, 'below the fold', as one of the attached GIFs show, or all the fills below the last unique one, as in the second GIF.

    I’d test more, but the fact we can’t collapse all the items in the Appearance panel (which is possible with Opt/Alt in Layers!) makes me extremely irritated — so I made a request…

    9 votes
    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  7. unknown error (CANT)

    I am working in the image trace to remove the white background of my jpeg photo and it gives me the unknown error (CANT). Please advise what to do. thanks.

    8 votes
    11 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  8. Appearance items loose focus when get an effect assigned

    When I pick a fill in Appearance panel and assign an effect to it, the item looses focus suddenly — take a look at the GIF attached.

    If my stack there is complex enough (and they often are), it’s hard to locate the fill/stroke I was working with.

    ...and surely Ai doesn’t allow to rename these to at least find them quicker — and here is the request about this: http://illustrator.uservoice.com/forums/333657/suggestions/34309852

    7 votes
    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  9. NOKY error when resizing objects with Legacy Gaussian Blur

    OS version: macOS 11.3.1
    Illustrator version: 25.2.3
    Attempting to resize any object with a Legacy Gaussian Blur effect results in error message: "The Operation cannot be completed because of an unknown error. [NOKY]". Object can't be resized without removing or replacing effect.

    7 votes
    4 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  10. Pathfinder bugs and artifacts

    Pathfinder distorts curves and these distortions create stray points and small vector artifacts when I "slice".

    This has been an issue from IL5 (pre-CS and pre-CC), when Pathfinder was first introduced.

    Until Adobe increased maximum magnification, it was hard to tell what was happening, but in CC I can clearly see that in Pathfinder, smooth curves distort. My guess is something analogous to mathematical rounding errors in defining the berzier curve.

    Sometimes, the distortion is very "squiggly", appears to be introducing the 'QuickDraw error (reported separately), and produces unusable results.

    While most of these errors and artifacts are essentially microscopic,…

    7 votes
    2 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  11. White-to-black gradients in opacity masks don’t go fully transparent

    For opacity masks, 100% White should represent a 100% absence of masking and 100% Black should represent 100% masking (like in Photoshop).

    The current system in Illustrator seems very unintuitive and flawed – a basic white to black gradient does not even totally obscure an image/object at one end of the gradient.

    It shouldn't be the case that you then have further reduce the opacity of the gradient colours to achieve a standard gradient effect.

    6 votes
    5 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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    Resolved (Comments Open)  ·  AdminEgor Chistyakov (Admin, Adobe Illustrator) responded

    Make sure you use RGB black instead of Grayscale black in your gradients when making opacity mask in a RGB-based document to avoid shallow blacks and not fading to a complete zero.

    More on that in the comments.

    If you happen to have the same problem, please still add a vote to the request, to track statistics.

  12. Gaussian Blur Effect producing different results from 24.1.3 to 24.2 or 24.2.1

    The Gaussian Blur Effect "Effect→Blur→Gaussian Blur" is now behaving differently in 24.2 than it was in 21.x. Updating to 24.2.1 did not solve the issue.

    The issue: A designer applies a Gaussian Blur to a vector shape and sets the desired blur level to achieve the desired effect. When that file is opened by another user using 24.2 or 24.2.1, copying and pasting the object, or toggling the visibility of the Gaussian Blur effect (in the attributes panel) on the original object will change the visual appearance of the blur (the blur noticeably increases in strength).

    This alters the intended…

    6 votes
    10 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  13. Unite/Merge paths creating groups instead of Compound path

    When trying to combine individual paths (text outlines, shapes, etc) the pathfinder tool seems to be creating groups, rather than creating a compound path as expected.

    Other colleagues have been experiencing similar issues. Video attached.

    6 votes
    7 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  14. The operation cannot complete because of an unknown error [NOKY]

    6 votes
    2 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  15. Can't change 3D materials color since version 26.3.1

    Just reporting the bug discussed in https://community.adobe.com/t5/illustrator-discussions/i-can-t-change-3d-color-materials-in-illustrator-may-update-2022/m-p/12967705/page/2 .
    In short, color and other 3D material parameters are not longer configurable since version 26.3.1

    5 votes
    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  16. Overprint and darken doesn't work properly when it doesn't exist a background color.

    Illustrator 25.4.1 (64 bit) in Windows 10

    When we use darken+overprint in objects that are over some background, we don't have a problem. But if we don't have a background it does the similar to a multiply appearance.

    Is there a way to fix this problem?
    Please see the photos attached.

    5 votes
    2 comments  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  17. Illustrator 24.3 on Windows(10): Warp effect not showing preview even though preview selected

    Even though I have checked the box to show previews for the Warp effect, changing styles does not show a preview of the styles. The only preview that is shown is the very first style that was chosen.

    5 votes
    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  18. Folders in Appearance Panel

    Folders in Appearance panel: I'd like to be able to apply Effects and Transparency to subgroups of strokes and fills with precision.

    5 votes
    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  19. Revolve Effect - Object Appearance Error "CANT"

    Windows 10 Home - 64bit.
    Illustrator CC18. 22.1

    When selecting Effects> Revolve on an object (a semi-circle) I get the error:

    "The operation cannot be completed because of an unknown error. [CANT]"
    Followed by another dialogue box:
    "An error occurred while processing the appearance of an object."

    What's going on here?

    5 votes
    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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  20. Outline stroke effect only works when applied first

    When applying Outline stroke and roughen to a stroke (in order to render its width irregular) you have to actually select Outline stroke from the menu before seleting roughen. It doesn't work when you just rearrange them in the appearance panel.

    4 votes
    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Admin →
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