R2025a exportgraphics new behavior for PDF export

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Romain Lance
Romain Lance 2025-8-27，8:40
评论： Romain Lance 2025-9-3，9:06
I use to export figure to PDF using the following code :
exportgraphics(fig, [ savepath 'fig_name.pdf'], 'ContentType', 'vector');
It contains both plots and imagesc in subplots.
In Matlab R2024b, the exported PDF would look smooth even zooming in -> vector graphic confirmed. Or good enough let's say: I've heard that imagesc figures can't be vectorized in a proper way anyway.
In Matlab R2025a, the plots are ok, the imagesc are very blured, even if I specify dpi = 600 in the exportgraphic function.
So I'm guessing the behaviour of that function have changed.
Anyone has any input about this ?
How can I have the same result as in R2024b in R2025a is my question.
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dpb
dpb 2025-8-28，14:42
You didn't provide such information initially, and it's generally simpler/more convenient to provide all needed rather than require the volunteer respondents to create on their own which may or may not actually create the same issues.
I have not installed recent releases because seem to be so many issues so can't check here...somebody with current release may come by.
Just go ahead and submit the bug report/support request...
Romain Lance
Romain Lance 2025-8-28，15:18
Simpler than creating a matrix of random values is pretty hard to pull off.
Also the data I used are confidential for now.
Thanks for the advice on posting the bug support request and for your time.

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采纳的回答

Isha
Isha 2025-9-1，7:30
Hello,
This issue might seemed be related to this known bug in MATLAB R2025a: https://www.mathworks.com/support/bugreports/details/3668256
Currently there is no workaround according to the page.
Hope this helps.

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