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Matthew Danbury

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  1. CEP panel intermittently renders as blank/grey — content composited but never presented (Illustrator 2026 / CEP 12.1 / Apple Silicon)

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    1 comment  ·  Illustrator (Desktop) Bugs » Other...  ·  Admin →
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    Matthew Danbury supported this idea  · 
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    Matthew Danbury commented  · 

    Similar thing happening here:

    Environment:
    - Adobe Illustrator 2026 30.5.1
    - macOS Sequoia 15.7.3
    - CEPHtmlEngine12 / AdobeCEP 12.1.0 / Chrome 99.0.4844.84
    - LaTeX2AI v1.0.3 and v1.1.0-rc.1
    - macOS install path: /Library/Application Support/Adobe/CEP/extensions/com.isteinbrecher.latex2ai

    Symptoms:
    - LaTeX2AI native plugin loads and opens its CEP UI containers.
    - All LaTeX2AI windows show blank white/gray content.
    - CEP logs update and show ClientInitialized begin/end.
    - DevTools server starts on port 8088, but page shows only “Inspectable WebContents” with no inspectable target.
    - Removing com.apple.quarantine from the full CEP extension did not fix it.
    - Clearing ~/Library/Caches/CSXS/cep_cache did not fix it.
    - Adding CEF flags --disable-gpu, --disable-gpu-compositing, and --disable-accelerated-2d-canvas was picked up by CEP but did not fix it.
    - Changing UI type from ModalDialog to Panel changed the container but content remained blank.
    - Replacing MainPath with a minimal no-script smoke.html still rendered blank.

    Conclusion:
    This does not appear to be caused by LaTeX2AI HTML/JS/CSS. Illustrator launches CEPHtmlEngine for the extension but does not present web content.