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Illustrator (Desktop) Bugs

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)

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420 results found

  1. Pasting a single CMYK channel value modifies all CMYK channels

    Illustrator version: 29.8.9
    Operating System: Windows 11

    Description:
    When I copy a single CMYK percentage value (for example, the K/Black percentage) from one object using the Color panel and paste it into the corresponding CMYK field of another object, Illustrator also changes the other CMYK channel values automatically.

    Expected result:
    Only the pasted CMYK channel (for example, K) should change, while the remaining CMYK values should remain unchanged.

    Actual result:
    Illustrator modifies the other CMYK channel values as well, even though I only pasted a value into a single channel.

    Question:
    Is this the expected behavior (a feature), or is…

    2 votes

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  2. Harmony Rules display all selected colors when recoloring artwork

    1. Mac Studio M1 Ultra 128GB, Tahoe 26.5.1
    2. Illustrator 30.7

    I want to premise this is likely a minor bug and doesn't really affect everything, but me+ others previously reported a color guide bug on 30.6 and there is a current bug with Recolor Artwork, so I assume this inconsistency might be helpful information.

    With a group of shapes selected (any amount), select Recolor Artwork with the Color Guide panel open.

    Once the Recolor Artwork menu opens, the Color Guide Harmony Rules panel is updated to contain every color within the selected artwork group.

    Rather than display the harmony group related…

    2 votes

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  3. Recolor not working with Color Books

    1. Windows 11 Pro 25H2
    2. Adobe Illustrator Desktop v30.7
    3. Steps: Select artwork to be recolored>in the recolor advanced options diaglogue panel select the color book (doesn't appear to matter which one)>results are that some or all of the "new" colors are 50%black.
    4. Until yesterday when I updated Illustrator to the most recent version, recoloring cmyk or rgb colors to a specific color book, specifically my old pantone+ solid coated color book as that's what I use for work, returned the expected pantone+ solid coated equivelant colors consistently. Help please!
    9 votes

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  4. Adobe Illustrator Pantone Connect LAB Color Bug

    My team is running into a bug with Pantone Connect integration in Illustrator.

    Steps to repeat:
    1. Create Adobe Illustrator file.
    2. Add Pantone swatch with Pantone Connect.
    3. Swatch is LAB color, as it should be.
    4. Save as PDF.
    5. Import PDF into InDesign, and it comes in as a CMYK Pantone swatch.
    6. If we import the native AI file, it comes comes in as a LAB Pantone swatch.

    We also noticed that if you put something like a rectangle in the document, and have it selected, when you select your swatch in Pantone Connect, it will…

    2 votes

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  5. Harmony rules selector bug

    When I open the harmony rules selector in the Color Guide, it always shows the rules for the color red even if I have selected any other color.

    10 votes

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  6. Data integrity bug: Illustrator 30.3 changes CMYK swatch values after pasting clipboard bitmap image and reopening file

    Product: Adobe Illustrator Desktop
    Version tested: 30.3
    Document color mode: CMYK
    Issue type: Data integrity / color swatch value corruption

    Summary:
    Adobe Illustrator 30.3 reproducibly changes CMYK swatch values after a bitmap image from the system clipboard is pasted into a CMYK document. The issue appears after saving, closing, and reopening the .ai file.

    Steps to reproduce:

    1. Create a new CMYK document in Illustrator 30.3.
    2. Create a CMYK swatch, for example C10 M10 Y10 K0.
    3. Paste any bitmap screenshot/image from the system clipboard into the document.
    4. Save the .ai file.
    5. Close the file.
    6. Reopen the file.
    7. Check the CMYK swatch…
    2 votes

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  7. Swatches are all white

    my swatches are all white but when I click on a color it shows the actual color

    Processor Intel(R) Core(TM) i9-14900HX (2.20 GHz)
    Installed RAM 64.0 GB (63.6 GB usable)
    System type 64-bit operating system, x64-based processor
    Pen and touch No pen or touch input is available for this display

    4 votes

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  8. Illustrator 2026 Eyedropper Leaves Previous Fill Color Hidden in Nested Objects

    In Illustrator 2026, the Eyedropper tool sometimes applies the sampled appearance to the selected group/subgroup level instead of replacing the actual appearance of the underlying object.

    This creates a dangerous prepress issue: the object visually appears recolored, but the previous fill color remains inside the nested object structure. The old color does not appear as a separate duplicated object when ungrouping. It only becomes visible after entering isolation mode several levels deep. If that internal element/fill is deleted, the entire object disappears, which confirms it is not a duplicate object but the original object retaining its previous appearance.

    Expected behavior:…

    2 votes

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  9. Colour Guide - Set Base Colour doesn't recognise filled object, only with a stroke

    Version 30.3 Set base colour only recognises object that has a stroke colour. Will not recognise object with only a fill colour. When trying to fill an object with a colour from the colour guide, it will only colour the object with a stroke of the selected colour.

    2 votes

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  10. DICカラーの表示がおかしい

    Ver30.3で新規ファイルを作成したうえでカラーにDIC指定をすると、色がくすんで表示されます。CMYK値に変換したとき、くすんだ色のままの数値になってしまいます。
    新規ではなく以前作ったファイル上でDICカラーを指定した場合はこれまで通りの表示になっています。
    設定の変更で対応可能でしょうか?

    1 vote

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  11. Illustrator in 30.3 version stopped reading spot colors (like Pantones) from greyscale PSD files.

    When placing a grayscale PSD file with added spot color (it can be either Pantone or custom spot), only the grayscale is readed into Illustrator, spot color is being ignored. TIF files and CMYK colorspace files work normally.

    5 votes

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  12. Grayscale black in RGB mode, should be the same as RGB 0,0,0, shouldn't it?

    In the current Ai (20.2.1), when in RGB mode, in a grayscale gradient, a value of 0 creates a gray which is far off RGB 0,0,0. Why?
    In the screenshot, a RGB 0,0,0 rectangle is placed over a gradient with 100% K in the middle knot.

    In RGB mode, grayscale values should resemble values from 0,0,0 to 255,255,255, and match those values in non-gradient fills.

    This happens in both Classic Gradients and Perceptual Gradients.

    2 votes

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  13. Swatch color values get adjusted proportionally when pasting a value with Ctrl/Win+V

    New Swatch dialog always adjust values proportionally when just pasting a value.

    Here are the steps to reproduce the bug (and the GIF):

    1. In a new CMYK document create a global swatch with CMYK 33 10 33 0
    2. Confirm, edit the swatch again
    3. Copy '20' value as text from anywhere
    4. Paste the value into the M input — using Ctrl/Win+V (I’m on Windows)

    Ai would turn both '33' values into '66', doubling it, as if Ai thinks I want to adjust values proportionally — as if I HOLD Ctrl when CONFIRMING the value — while I haven’t confirmed it yet...…

    5 votes

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  14. Pattern Tool Severe Lagging

    I am a surface pattern designer and anytime I edit patterns I have a 1-2 minute delay for every vector I move. This cripples workflow and is an awful user experience. I am not using effects or modifications that should cause this type of delays every time vector assets are relocated (even a mm.)

    I have to create 50+ patterns daily and this issues critically hinders my daily workflow. I use illustrator 12 hours a day for my work.

    Please provide solutions to rectify this issue for users experiencing this issue.

    2 votes

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  15. Color settings become unsynchronized when any image gets placed in document

    After the 30.2.1 update, (mac os 26.3.1, Win 11) I noticed a very strange and annoying behavior in Illustrator. It's about Color Settings. I use "Europe General Purpose 3" and I apply it via Bridge to all apps, i.e. Photoshop, InDesign and Illustrator. Everything works and when I look in those apps color settings — I see "synchronized" everywhere. However, if I place any image in Illustrator — "synchronized" immediately changes to "unsynchronised". Even if I change to "Europe General Purpose 3" in the settings dropdown (in Illustrator) again and save the Ai document - when it opens, I see…

    30 votes

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  16. BUG: Swatch color not changing with selection of different element.

    When selecting individual elements in my .ai file, the swatch bar does not show the actual color. Instead, it shows the previously selected color.

    Something changed - you used to be able to select an element and easily determine which color it was. This glitch is a major problem - as I'm trying to prep my files for print and a small error will be quite costly.

    Instead, I have to double-click the "fill" color in the top of the swatch bar to open up the cmyk build

    Illust 2026. OS 13.7.8

    2 votes

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  17. Swatches panel not correctly displaying "Registration Black" swatch label, showing random characters, in a template file

    Opening up a company template .ait file and Swatches panel not displaying "Registration Black", but instead showing random characters. Wanted to know cause, if can be prevented, and/or corrected. Also if this is just some odd bug.

    We do have a central server location to access file since we do have in-office and remote workers. Everyone is instructed though regardless of location to grab files and work locally, but can not guarantee that this is done 100% of the time.

    PC - Windows 11
    Illustrator v28.7.10
    Illustrator v30.2.1 - also check on another system

    2 votes

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  18. Spot Colors Won't Update In Linked Items

    Spot Colors are not immediately updating for linked items when adjusting the color values of the swatch. The change will only show after a few seconds, when the file is embedded, or when overprint preview is enabled. Previous versions of illustrator allowed spot colors to be updated for linked items immediately. Spot color adjustments only immediately affect objects that are embedded or built within the file.

    Using illustrator for color separations requires me to edit the appearance of spot white to be visible in different circumstances between film and art files.

    2 votes

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  19. Swatches don’t display names on hover

    Please restore the display of color names when hovering over a color swatch in the palette.

    3 votes

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  20. Swatch pattern reduces scale when copied from one illustrator document to another

    When I copy a CAD drawing from one illustrator document to another, the pattern swatch scale in the CAD reduces.
    I've noticed it doesn't happen with every swatch, only some. Sometimes the CAD itself will also reduce scale.
    I have also noticed that if I create a new document I won't have this issue, however when I paste it into an already existing document, this is when the problem is usually occurring.
    I have doubled checked the canvas size for both documents, and they are the same.
    This is in version 30.2.1.

    9 votes

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