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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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8297 results found

  1. No longer possible to assign keyboard shortcuts to the CHANGE CASE commands

    Why is it no longer possible to assign keyboard shortcuts to the CHANGE CASE functions in the latest version of Illustrator? I am attaching an image of the text menu under 'Change Case' showing remnants of the old assigned shortcuts (I have been using the same shortcuts for many versions of Illustrator now, as well as in InDesign, where they are still active even in the latest version). /

    Perché nell'ultima versione di Illustrator non è più possibile assegnare comandi da tastiera alle funzioni di CAMBIO MAIUSCOLE?
    Allego immagine del menu testo alla voce cambio maiuscole con residui dei vecchi…

    5 votes

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  2. Memory usage continuously increases over time in Illustrator 2026 and is not released properly (macOS M4 Max)

    Environment

    • Adobe Illustrator 2026 (Desktop)
    • Adobe Illustrator 2025 (for comparison)
    • Apple M4 Max
    • 64GB Unified Memory
    • macOS (latest)
    • GPU Performance: OFF
    • Real-time Drawing & Editing: OFF

    Workflow

    I use Illustrator as a visual reference board containing an extremely large archive of linked images (not embedded). I arrange thousands of reference images on large canvases to compare composition, color, style, motion, and visual ideas. This workflow is essential for my art direction and animation production because spatial comparison is much more efficient than browsing images individually.

    Illustrator 2026 performs significantly faster than Illustrator 2025 with this workflow, which is a great…

    3 votes

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    5 comments  ·  Performance  ·  Admin →
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  3. Illustrator 30.3 Font Handling Issue

    The new 30.3 update for Mac introduced "improved font handling in Illustrator (macOS) for better consistency and reduced reliance on unsupported system resources"

    However, this seems to have broken auto font activation with the Typeface font manager.

    Is there a way to get this fixed?

    Thanks!

    7 votes

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  4. Font changes from the current one to the previously used while typing

    I'm working on a document in which I used Avenir font, but for the most I use Myriad Pro. When I click with the Type tool I see in the character box I'm with the default font (Myriad Pro) and start typing. Then noticed I'm now in Avenir font!
    This bug is brand new with the latest update (29.1), I didn't add any issue of that type before.
    I'm on Windows 11 PC Core i7-13700 32 Go of RAM

    225 votes

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  5. In version 30.5.1, Illustrator stopped writing color settings to ACEConfigCache2.lst, the file used for color settings synchronization.

    Photoshop, Illustrator, InDesign, Acrobat, and Bridge use ~/Library/Preferences/Adobe/Color/ACEConfigCache2.lst to store and synchronize their active color settings preset names.

    Up through Illustrator 30.5, Illustrator correctly wrote its own color settings information to this file. However, starting with version 30.5.1, it not only stops writing its color settings entry, but also removes the Illustrator 2026 entry from the file entirely.

    Illustrator 30.5.1 still appears to read color settings written by Bridge and can apply the corresponding preset correctly. However, given that it no longer maintains its own entry in ACEConfigCache2.lst, I would like to ask whether this behavior is intentional or if…

    10 votes

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  6. Compatibility Issue in Illustrator v30.2 - PostScript Error <a1a1>

    Critical Update: This issue is not limited to specific files. Every single file saved or exported from version 30.2 encounters the same <a1a1> error, even when the document contains only a simple primitive shape (e.g., a single rectangle). This indicates a systemic failure in the PostScript generation engine of the v30.2 build on my system.

    Description
    Since updating to Adobe Illustrator v30.2, I have encountered a critical compatibility issue. Even when saving files for lower versions (Legacy formats), recipients are unable to open them. The files trigger a specific PostScript error regardless of how simple the vector data is. This…

    18 votes

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  7. Illustrator forgets to undo the document color mode switch

    Here’s a simple test.
    1. Create and RGB-based document — the title says 'RGB'
    2. Draw something
    3. Change the color mode of the document into CMYK — the tab’s title changes accordingly (notice the History displays the generic 'Undo' instead of expected 'Document color mode CMYK')
    4. Draw something else again
    5. Start undoing steps, either with Cmd/Ctrl+Z or with the History panel. When you reach up the first object drawn, the tab’s title should display RGB — but it still says CMYK! ...and if you hover over the title, the hint appears saying it’s RGB (or not!) ...and…

    31 votes

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  8. 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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  9. Text changes colour at random

    A file appears correct in Illustrator 2026 and correctly produces a PDF (save a copy) when the original Illustrator file is still open. Yet when the Illustrator file is then saved, closed and then reopened, the Illustrator file has errors with the colour of text changing at random. This is happening on multiple computers running MacOS (Silicon). This error only happens in Illustrator 2026 and not 2025.

    The text that changes varies, even within one document. Sometimes it is a single piece of text that changes, sometimes it is all of the text. The colour it changes to is random,…

    3 votes

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  10. Incorrect (reversed) text order when copying text from PDFs without Illustrator editing capabilities

    pre - TLDR:
    Illustrator no longer preserves the visual reading order when copying fragmented text from PDFs without editing capabilities, instead using an incorrect internal sequence.

    Incorrect text order when copying text from PDFs without Illustrator editing capabilities

    MacBookPr 2024 - macOS Tahoe 26.3
    Adobe Illustrator 2026 - 30.3

    Hello,

    I would like to report an issue in Adobe Illustrator that seems to have been introduced in recent updates.

    Initial situation:
    When opening a PDF that was not saved with Illustrator editing capabilities, it is expected that continuous text blocks are split into multiple individual segments or lines. This behavior…

    12 votes

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  11. Fonts changing in files when opened in Illustrator 29.5.1

    Existing files created in illustrator (on a different desktop) when opened in v29.5 & v29.5.1 display incorrect fonts - the font is changed to a completely different font (e.g. Myriad Pro will be changed to Times New Roman) throughout the document. All the text in that font family is changed, but other fonts used in the document will display correctly. The font is installed correctly on the system and the changed font can be changed to the correct font by selecting the font from the illustrator font list. The thumbnails display correctly in Bridge before opening in illustrator. Reverting illustrator…

    63 votes

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  12. 35 votes

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  13. Space characters differ in Illustrator and InDesign

    OS: MacOS 15.7.7 (24G720)
    Illustrator-Version: 30.6
    Illustrator offers the space characters Quarter, Half-quarter, Twenty-fourth, Eighth.
    Using these space characters in Adobe Illustrator leads to completely different results (spacing) than in Adobe InDesign.
    Is this a program error or a font error?
    I would also like to see the space characters menu expanded to include the Sixth, Eighth, Quarter, Third.

    2 votes

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  14. 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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  15. Acrobat layers duplicate excessively in AI file’s compatible PDF

    Illustrator 2025 (29.8.2)

    When “Save in Background” is enabled, the Acrobat layers in the compatible PDF within AI files duplicate according to the number of artboards. For example, when there are 10 artboards and 2 layers, there should be 2 Acrobat layers, but instead 20 layers are generated.


    aiファイルの互換PDFでAcrobatレイヤーが過剰に複製される

    「バックグラウンドで保存」が有効な場合、AIファイル内の互換PDFにおけるAcrobatレイヤーがアートボードの数に応じて複製されます。例えば、アートボードが10個、レイヤーが2個ある場合、Acrobatレイヤーは2個であるべきところ、実際には20個のレイヤーが生成されます。

    23 votes

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  16. Thumbnails glitching when saved

    Randomly, when files and thumbnails are saved out of Illustrator, the resulting thumbnails are glitched in a variety of ways. This glitch is present in the preview in the Finder window, but upon opening the file again, the glitch is not present. This is not from appearances or overprint being applied to artwork elements, as we are familiar with the issues those settings present in a print production environment, and this is a separate issue.

    • Running on a MacBook Pro, 2021, running Sequoia 15.0.
    • Using Illustrator 30.0.
    • The issue occurs when Illustrator saves a file or thumbnail, randomly, without any…
    21 votes

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  17. New Blend panel doesn’t support actions

    As reported by Kurt Gold here —https://community.adobe.com/questions-652/illustrator-30-7-new-blend-panel-no-actions-1635013

    In Illustrator 30.7 the modal Blend Options dialog was replaced with a dedicated Blend panel. Basically, that's an improvement.

    BUT: Unlike the modal dialog, none of the settings in the new panel can be recorded as part of an action in the Actions panel. That's a pain.

    Adobe, I guess you can imagine that this is a serious setback for action creators?

    What is the general reason why you don't make sure that new commands/settings are always actionable?

    6 votes

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    0 comments  ·  Actions  ·  Admin →
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  18. High GPU load on macOS 26 Tahoe

    Laggy performance and high GPU load.
    Upon investigation, issue isolated to WindowServer when Adobe Illustrator is running, with or without a document open.

    8 votes

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  19. エンベロープにしたオブジェクトを極端に拡大すると結果がズレる/Envelope Distort becomes misaligned at large scale

    問題の説明:
    エンベロープにしたオブジェクトを極端に拡大すると結果がズレる

    再現手順:
    1. ドキュメントを作成してオブジェクトを描画し、適当なカラーを設定する
    →長方形や楕円形など、何でも良い。確認しやすくするため、小さめに作ると良い
    2. オブジェクトを選択し、「オブジェクト」メニュー→「エンベロープ」→「メッシュで作成」を実行する
    3. ダイアログで好きなメッシュ数を設定し、エンベロープを作成する
    4. 出来上がったエンベロープを選択したまま、3000~4000%など大きなパーセンテージで拡大する。
    →バウンディングボックス、拡大・縮小ツール、変形パネルでの数値指定など、拡大の方法は何でも良い

    実際の結果:
    特定の大きさを超えると、エンベロープ内のオブジェクトがメッシュからズレた大きさで変形される

    期待された結果:
    どれだけ拡大してもメッシュに合わせた大きさでエンベロープ内のオブジェクトが変形される

    回避方法:
    必要な大きさまで拡大してからエンベロープを作成する

    関連しているかもしれないUser Voice:
    Scaling envelope warped objects - makes object squishy after certain ammount of enlargement
    https://illustrator.uservoice.com/forums/601447-illustrator-desktop-bugs/suggestions/48934838-scaling-envelope-warped-objects-makes-object-squ

    Mesh Envelope Distortion renders as shifted on Large Canvas
    https://illustrator.uservoice.com/forums/601447-illustrator-desktop-bugs/suggestions/49773365-mesh-envelope-distortion-renders-as-shifted-on-lar

    10px、10mmなど、小さめのオブジェクトでエンベロープを作成すると結果がわかりやすいです。
    単純なオブジェクトだけでなく、イラストのような複雑なアートワークで作成したエンベロープも、ある程度の大きさを超えると表示がおかしくなります。
    製品版2025(29.8.7)、製品版2026(30.3)、ベータ版2026(30.6 27)、プレリリース版(30.5)すべてで同様でした。

    8 votes

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  20. Illustrator 2026 embeds each duplicate bitmap image separately in PDFs, causing extremely large files

    Mac Studio M2 Ultra, Tahoe 26.5.1

    Illustrator 2026 embeds duplicate instances of the same bitmap separately when saving a PDF, causing the PDF size to increase with every duplicate.

    To test this, I used one 2000 × 2000 PNG file that is 7.5 MB. I placed it once, duplicated the placed object a total of 9 times, and saved the same layout as a PDF using comparable settings in Illustrator 2025, Illustrator 2026, and InDesign 2026.

    Results:

    Illustrator 2025 version 29.8, Adobe PDF Library 17: 8 MB
    Illustrator 2026 version 30.3, Adobe PDF Library 18: 71 MB
    InDesign 2026 version…

    2 votes

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