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Illustrator (Desktop) Bugs

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  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
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8364 results found

  1. Freeform gradient duplicated produces per-copy divergent PDF Type 4 shading

    Adobe Illustrator Bug Report
    Freeform gradient duplicated via Step and Repeat produces per-copy divergent PDF Type 4 shading data, causing RIP-dependent color mismatch between identical 1-ups
    Product: Adobe Illustrator
    Versions affected: 30.8.2 (Windows) and 29.8.11 (macOS) — both reproduce identically
    Platforms: Windows 11 / macOS
    Component: PDF export engine (Adobe PDF library 18.00), Freeform Gradient → ShadingType 4 (free-form Gouraud triangle mesh)
    Severity: Major — produces inconsistent ink coverage between identical copies on the same artboard; breaks color-critical prepress output
    Reproducibility: 100% deterministic across both tested versions

    1. Summary When an object filled with a Freeform Gradient is duplicated with Object…
    2 votes

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    0 comments  ·  Gradients  ·  Admin →
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  2. "Save each artboard to a separate file" creates AI files with hidden layers and missing linked files

    Adobe Illustrator 2026
    30.6.0 (Windows 11)

    I discovered an issue when saving an Illustrator document with multiple artboards as separate AI files.

    1. Create an Illustrator document with multiple artboards.
    2. Place artwork on each artboard, including linked images/files.
    3. Go to File > Save As.
    4. Choose Adobe Illustrator (.ai).
    5. Enable "Save each artboard to a separate file".
    6. Save the files.

    Expected result:
    Each generated AI file should contain all artwork from the corresponding artboard, with all layers remaining visible and all linked files preserved.

    Actual result:
    When opening the generated AI files in Illustrator, the files initially appear to…

    2 votes

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  3. ファイル名変更後も旧ファイル名がドキュメントタイトルに残り、書き出しファイルに継承される不具合

    Illustratorにおいて、ファイル名の変更に対してメタ情報の「ドキュメントタイトル」が適切に更新されず、古いファイル名が残ってしまう現象を確認しました。
    また、この書類が書き出した画像ファイルの情報にもそのまま継承されることを確認しています。

    以下に具体的な操作手順と、それぞれのファイル名やドキュメントタイトルの状態を示します。

    ■1 新規ファイル作成
    プロファイルから「A4テンプレ1」を選び、名前(ファイル名)を「書類A」に変更して開く
    ファイル → ファイル情報 からメタ情報「ドキュメントタイトル」を確認する
    結果: 現ファイル名の「書類A」と同じではなく、変更前のファイル名「A4テンプレ1」となっていました。

    ■2 そのままJPEG書き出し
    ファイル → 書き出し → 書き出し形式 でJPEG画像を書き出す
    結果: ファイル名は「書類A」なのに、ドキュメントタイトルは前ファイル名と同じ「A4テンプレ1」でした。

    ■3 新規ファイル「書類A」を保存
    まだ保存されていなかったこのAiファイルを ファイル → 保存: 書類A.ai
    結果: メタ情報「ドキュメントタイトル」は、ファイル名と同じ「書類A」に変更されました。

    ■4 再びJPEG書き出し
    書類A.ai から、ファイル → 書き出し → 書き出し形式 でJPEG画像を書き出す
    結果: メタ情報「ドキュメントタイトル」は、ファイル名と同じ「書類A」でした。

    ■5 書類Aを「別名保存」し、書類Bを作成
    書類A.ai から、ファイル → 別名保存で 書類B.ai を作成
    結果: メタ情報「ドキュメントタイトル」は、ファイル名と同じ「書類B」に変更されました。
    また、書き出されたJPEG画像は、ファイル名・ドキュメントタイトルどちらも「書類B」でした。

    ■6 書類BをOS上で名称変更
    書類B.ai のファイル名を、OS上で 書類C.ai と書き換える
    結果: ファイル名は「書類C」なのに、ドキュメントタイトルは前ファイルと同じ「書類B」のままでした。
    また、書き出されたJPEG画像も、ファイル名が「書類C.jpg」なのに、ドキュメントタイトルは「書類B」のままでした。

    この現象は、ユーザーにとって明らかな不具合だと思います。
    具体的には■2や■6の挙動が問題で、Aiファイルの名称とドキュメントタイトルが一致せず、書き出された画像に想定外の情報が残ってしまうことは、ファイル名とメタデータの整合性が失われますし、トラブルの原因ともなるため、単なる仕様と見過ごすことはできません。
    また、そもそも多くのIllustratorユーザーがこの挙動に気付かず、不適切なタイトルを刻んだ画像ファイルを生み出していると思われます。
    なぜなら、この「ドキュメントタイトル」という情報は、Macの標準的なFinder機能「情報を見る」を使っても表示されない項目だからです。
    しかもこの情報はWindowsではたやすく表示されるため、自らMacで意図せず埋め込んだ画像の不適切な情報が、納品先のWindowsで視認されている可能性があるのです。

    ※Windowsでの「ドキュメントタイトル」確認方法
    ファイルを選んで「プロパティ」から「詳細」タブを開くと、「タイトル」を確認することができます。
    また環境によっては、ファイルアイコンの上に矢印を置くだけで表れるファイル情報の中に、ドキュメントタイトルの情報が表示されます。

    具体的なリスク例(画像参照):

    ●ファイル名「ダメ課長のダメな案.ai」をOS上で「上司B案.ai」に書き換えてJPEG画像を書き出し
       ↓
     ドキュメントタイトルが「ダメ課長のダメな案」のまま表示され、トラブルとなる。

    ●ファイル名「2026年8月.ai」をOS上で「2024年12月.ai」に書き換えてJPEG画像を書き出し
       ↓
     ドキュメントタイトルが「2026年8月」のまま表示され、混乱を招く。

    なお、この不具合は、書き出したファイルの種類で結果が異なります。

    TIFF: JPGと同じ不具合が生じます。いずれもメタ情報の有無は選べず、必ず埋め込まれます。
    PSD:  Photoshopから「ファイル情報」を確認
     →「書類C.psd」のドキュメントタイトルは「書類B」のままでした。
    PDF:  Acrobatから「プロパティ」を確認
     →「書類C.pdf」のドキュメントタイトルは「書類C」に揃えられていました。
       (ただし保存の条件で変わると思われます)
    PNG・WEBP: そもそも「ドキュメントタイトル」が保存されません。
    他は未検証です。
    なお、メタ情報「ドキュメントタイトル」が保存されるファイルでは、撮影日時、プログラム名(Illustratorバージョン)も保存されていました。

    過去の類似する記事では、書き出し後の対処について書かれていても根本的な解決には至らず数年経過しており、また前述の通りMacユーザーにとっては大変見えづらいトラブルであることから、早々の解消が望まれる深刻なバグとして改めてここに報告いたしました。

    こちらの作業環境:
    Windows11(25H2)/Illustrator 28.7.10

    1 vote

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  4. Ai comes with scale error/warning too early

    When trying to scale down a big group of paths, by double clicking the scale tool to enter a numerical value, Ai starts to complain - it seems to assume that I want to scale up (maybe due to the last scale value used). Please let the function wait for user input, before complaining.

    2 votes

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    1 comment  ·  Tools  ·  Admin →
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  5. Saved file reopens with some layers and data missing

    After saving my work and reopening the file later, some layers and data are missing. Around 40% of my completed work is disappearing, even though the file was saved properly.

    Please help me recover the missing data and identify the cause of this issue.

    2 votes

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  6. Adobe Illustrator 2026 Crashes with Uncompressed TIFF (Compression: None)

    Dear Adobe Illustrator Engineering Team,

    I am reporting what appears to be a compatibility regression or TIFF parsing issue that causes Adobe Illustrator to crash consistently when opening documents containing specific TIFF images saved with Compression = None (Uncompressed TIFF).

    Adobe Illustrator 2026 on Windows
    Standard TIFF, no compression
    Interleaved (RGBRGB) pixel order
    IBM PC (Little Endian) byte order

    Illustrator crashes immediately when opening or placing TIFF files saved without compression.

    The same files become fully functional after being re-saved using LZW compression, without any changes to image content, dimensions, color mode, bit depth, or metadata.

    This behavior strongly suggests…

    2 votes

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  7. Eyedropper with Shift held doesn’t pick the rendered stroke color unless clicked very precisely into path

    If I have an outside stroke (thick enough for clarity, like in the GIF), I can’t use Shift-mode with the Eyedropper tool to pick the color from the actually rendered stroke — I have to click very precisely the path itself, or I get the fill color. Same with the inside stroke.

    With a normal center-aligned stroke the half within the path gives the fill’s color, and the outside half gives the stroke’s one.

    All three are wrong. Shift should force the tool to pick the color directly under the cursor, the one that is rendered.

    Thanks to Oleg Krasnov…

    3 votes

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    0 comments  ·  Tools  ·  Admin →
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  8. Object edge highlight color reverts to black while moving objects.

    Ever since the illustrator 2026 update, when I move objects the highlight color changes to black like in the attached video. I'm currently running 30.3 and it seems like it has only become more and more prevalent. Obviously this isn't great when you're working against a darker color in the background. Is this a feature that I've missed a checkbox to turn off or is this a glitch? For the techy peeps I'm running a MacBook pro Intel (2017 I think) and I'm on Tahoe 26.3.1.

    3 votes

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  9. DXF import size issue 2026 that works in 2024

    Opening DXF in latest version 2026 at original size or 1:1 does not work, results are close but not exact. Works fine in version 2024. However, if saved as a PDF from 2024 with accurate sizes, when opened in version 2026 the size is not accurate, a few thousands off. Have many files that were created using 2024 and if I need to make adjustments for any reason opening in 2026 will result in size issues.
    Windows 10 64 gb ram.

    2 votes

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  10. Shapes move when scaling

    Window 11 Pro
    Ai verion: 30.6

    Make a square and add a stroke. Align stroke to center. Grab the top path with selection arrow and pull down. The square will decrease in size but the bottom of the square will move down a little. It should stay in place. This happens with outside aligned stroke as well, but not inside.

    2 votes

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    Need More Info  ·  2 comments  ·  Strokes  ·  Admin →
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  11. メモリ食い過ぎ。強制終了せざるを得なくなる。新機能や生成AIはいらないから安定を希望する。

    メモリ食い過ぎ。強制終了せざるを得なくなる。新機能や生成AIはいらないから安定を希望する。使用するかしないか選択できるような改善が必要。

    2 votes

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  12. Scribble Effect Not Showing Up in Menu, But Still Accessible

    Before, the Scribble effect used to be found under Effects > Stylize. In the 2026 version, it's gone. Only Glowing Edges appears under Stylize. But when I search for Scribble by hitting the magnifying glass icon and typing it in, I can access the effect and still use it. Some people still use this effect for making ikat-inspired shapes, for example...I think it was removed from the menu by accident. Please readd it under Effects > Stylize.

    2 votes

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  13. SVG fehlende Pfade beim öffnen/importieren

    MacOS: 26.5.2 (25F84)
    Illustrator 30.7

    SVG wird nicht korrekt geöffnet/importiert, es fehlen Pfade!
    Wenn die Datei vorher in Inkscape neu gespeichert wird z.B. als PDF ist alles vorhanden.

    (leider kann das svg nicht angehängt werden!?)

    2 votes

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  14. Photoshopを同時に起動している際に、IllustratorでベクターなどをコピーするとIllustratorがクラッシュする

    Illustratorのバージョン:30.8.2/29.8.11どちらでも発生
    Photoshopのバージョン:27.10

    1 vote

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    1 comment  ·  Other...  ·  Admin →
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  15. Glyphs panel behaves differently for COLRv0/1 spec color fonts

    Illustrator has been supporting COLRv0/v1-spec color fonts since early last year, which has been great to use, but lately I have been wondering if one feature of the Glyphs Panel is more a bug than intended.

    When using a static COLRv0-built font, the Glyphs Panel is filled with separate "layered" characters of each glyph in black/white. With a high amount of characters this leads to an extremely cluttered panel.

    When using one of my own COLRv0 designs, I noticed that while the static version has all these extra layers (see the images attached), a variable COLRv0 font doesn't preview any…

    1 vote

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  16. Repeat makes some objects without a stroke loose fill

    When several objects with no stroke get selected and then converted into a Repeat Grid object, all but the first object vanish.
    Thanks to Ashraful Islam for spotting this.

    3 votes

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    0 comments  ·  Repeats  ·  Admin →
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  17. New Glitch in Smart Guides, highlighting perspective grid-like points

    Theres a new update glitch in smart guides, when I have an object selected, a bunch of perspective grid-like highlights.

    This setting is connected with object highlighting in smart guide settings. If i shut off object highlighting in Illustrator>Preferences>Smart Guides>Object Highlighting, the issue stops.

    Seems like just a new bug glitch in a recent illustrator update.

    2 votes

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    8 comments  ·  Snapping  ·  Admin →
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  18. 36 votes

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  19. Selection tool broken

    Using the selection tool. I can click an object and get the bounding box but can not move or drag the object. Arrow keys do work to move it but I can not move it by mouse. This reoccurs upon restart.

    2 votes

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    Need More Info  ·  1 comment  ·  Selection  ·  Admin →
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  20. Can’t rearrange a selected object and bring it to front

    Arrange tools are completely busted. I am trying to move a selected object to front. The shortcut (shift, cmd, ] or [) does not move the selected object at all. The menu option also results in nothing.

    2 votes

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    Need More Info  ·  1 comment  ·  Layers  ·  Admin →
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