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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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  1. 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

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  2. Blend modes under transparency is not working

    Blend modes under transparency is not working.
    I can't change it from normal.

    I work on my
    iMac (Retina 5K, 27-inch, Late 2015)
    Processor: 4 GHz Intel Core i7
    Memory: 32 GB 1867 MHz DDR3
    Graphics: AMD Radeon R9 M395X 4096 MB
    and a wacom Cintiq 22HD that i do all my drawing on

    5 votes

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    11 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  3. 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.

    5 votes

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    11 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  4. ドロップシャドウのデフォルトのカラー設定がK100%ではなく4色になっている

    発見はMacOS Catalina(10.15.7)ですが、Windows10でも同様でした。
    Illustrator2021(25.2)のドロップシャドウにおいて、デフォルトのカラー設定がK100%ではなくC93%、M88%、Y89%、K80%になっています。RGBベースのカラー設定がCMYKモードに持ち越されているものと思われますが、印刷において事故の原因となりますので早急に修正願います。

    4 votes

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    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  5. Radial Repeat Shift angle constraint

    When resizing a radial repeat object, holding Shift does nothing.
    It is expected to constraint the rotation angle to 45°, but it does not.

    Holding Alt is expected to create copies, I guess, as well.

    4 votes

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    2 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  6. Crash on 'Delete Layer Style'

    Every time I try to delete a layer style in the appearance panel, the software crashes.

    Running latest version of AI (CC 2021)
    OS is latest version of Windows 10 Pro

    Doesn't do it in previous versions.

    4 votes

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  7. Drop shadow results are unusual when converted to grayscale

    Version: 23.1 and 24.2.3
    phenomenon:
    1. Create an object
    2. use drop shadow from appearance menu
    3. From the Edit menu, select Edit Color and then Convert to Grayscale.

    After conversion, the drawing of the drop shadow is not normal.
    There will be a problem even if you save it as a PDF.

    Version 22.1 does not have this problem.

    4 votes

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  8. 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…

    4 votes

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    6 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  9. Pathfinder Incorrect Work

    Hi!
    I have a problem with Pathfinder in new Illustrator version 24 (2020) (macOS 10.15.1). Please look at the image attached. Pathfinder doesn't cut a compound shape out of a path or another compound shape. It merges the two instead.
    It worked fine in the previous version of Illustrator.

    4 votes

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    5 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  10. freeform gradient broken and malfunctioning

    Love the capabilities of the new freeform gradient tool; however there are some unusual behaviors and bugs preventing it from working as expected. Firstly, if you use direct select to move points of a shape around, color stops are deleted once they fall "outside" of the shape boundary. Normally, gradients can fall outside of a shape, and are visually "clipped" by the mask of the shape.

    Secondly, upon reopening a document with freeform gradients, I have found that the gradients are static images clipped to a shape. When I use direct select to select a shape, it selects the gradient…

    4 votes

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    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  11. 4 votes

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    2 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  12. Freeform Gradients won't load in complex object groups/compound paths

    In Illustrator 2019, freeform gradients were unable to render in complex compound paths. I was attempting to add a freeform gradient within a compound path/grouped object set of leaves (about 20) of various shapes and sizes. I had used compond paths to add a freeform gradient to two objects previously (although with a few bugs - see bug titled "Illustrator 2019 Freeform Gradient and compund paths not quite right" in Other...), expecting the gradient to render. Although it sounded as though my computer was working hard to process the effect, nothing rendered after 5 minutes and so I gave up,…

    4 votes

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    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  13. blending application inconsistent in groups and appearance

    To reproduce the problem, in RGB document, set up a rectangle with fill and outline, on top of some colored background shape.
    Using Appearance panel modify blending and opacity of fill and stroke to use anything other than normal blending. Then change the whole object's opacity, so it has "isolate blending" checkbox checked.

    Now try selecting any option for blending mode, other than Normal.
    All blending modes are ignored and cause no change in appearance.
    Now, select one of the blending modes anyways.
    Then expand the appearance of the object. Illustrator will create a group with path elements in the…

    4 votes

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  14. Overprint test error bug

    1. Create a text box, on a colour background.
    2. Make some of the text a colour, some black.

    The black does not overprint, it reverses ("knocks") out of other text in the same box reverses out (becuase it's colour or white).

    If you fix this by making the black text multiply, on reopening the file, it has reverted to reversing out.

    4 votes

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  15. 2020ファイルフォーマット、後方互換性の破壊

    iMac 27inch(2020/32GB/1TB/Corei5)
    macOS10.15.7

    リンク配置したJPG画像に対してエフェクトをかけると以前のバージョンのイラストレータ(ver.24およびver.25)でPGF部分を正常に認識できずにPDF部分より復元しようとする。

    再現手順
    1. ver.26.0.1にて新規ドキュメントを作成し、JPG画像を配置する。JPG画像自体は埋め込まずリンク画像としてあつかう。
    2. 配置画像に対して「効果→スタイライズ→ドロップシャドウ」のアピアランスを適用する。
    3. 2020形式で当該ファイルを保存。
    4. Illustrator2021にて当該ファイルを開くとネイティブ部分のデータを読み込めず、ダイアログが表示されPDF部分のデータよりリカバリを行おうとする。

    実際の結果
    旧バージョンにてIllustratorファイルを正常に開くことが出来ない。

    期待される結果
    2020形式で保存した場合、ver.24及び25にて従来のように正常にファイルを開くことができる。

    これはJPG画像をリンクとして配置したものにエフェクトを適用すると起こるようです。スタイライズのみならずトリムマークやPhotoshop効果等でも同様の症状が出ます。
    しかしながら、すべてのJPGで再現するわけではありません。条件を特定しようとしたのですが特定に至っていません。
    当該ファイルを添付いたしますので確認頂けると幸いです。

    3 votes

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    7 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →

    Illustrator 製品版フィードバックにご協力いただきありがとうございます。

    ご報告いただきましたデータ、またその他の検証で問題の再現が確認できました。
    今後、修正などの開発進捗をこちらでお知らせいたします。

    よろしくお願いいたします。

    Illustrator チーム

  16. Gaussian Blur Bug Changes Appearance Between Different Versions

    This is a major flaw!

    We have an Illustrator file created in CC 2019 (23.0.6), it contains a PSD element that has a gaussian blur effect applied to it in Illustrator, set to a radius of 9 pixels, this produced a subtle blurred appearance. The file was then sent to a printer for test printing where they are using Illustrator CC 2021 (version unknown) and when they open the file the object becomes very blurred, completely changing its appearance.

    I've managed to replicate the bug using Illustrator CC 2020, the object's radius blur effect changes to 9.021 pixels and the…

    3 votes

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    0 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  17. Clean Up command bug

    Appearance fields are sometimes deleted when I do command Clean Up. This is a bug and needs to be resolved. As it looks in the video.
    AI 25.2.0.220

    3 votes

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    3 comments  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  18. Blending paths with Width profiles works wrong

    Create two lines.
    Apply width profiles to both of them.
    Blend them.
    Ai will generate step that have uniform profiles instead of intermediate.

    3 votes

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  19. 3D Revolve Clipping

    3D Revolve is clipping the front faces. I can get the faces to appear when the object is in a different rotation, when it object is parallel with the view. I've tried this with both a normal path and a compound path.

    I think the plane the 3D object is being rendered to is too far forward.

    3 votes

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
  20. Ofset path bug in 24.1 version - horrible metric precision...

    Problem with dimensions after using offset path. Just look - if you have square 100 x 100 mm, and want to make -4 mm offset path - new square is not 92 x 92mm, but... 92.0001 x 92.0001. This is nightmare. See attached. Adobe, I hope this bug will be fixed?

    3 votes

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    1 comment  ·  Effects, Appearance, Graphic Styles  ·  Flag idea as inappropriate…  ·  Admin →
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