Created attachment 164533 [details] The background color is #a3a3a3a3, but some parts of the PDF page are in the default (white) color. In the "change paper color" setting, I changed the PDF background color to #a3a3a3. The PDF background color is the color I want, but in many PDF files this feature does not work or some pages are #a3a3a3 and some pages are the default color.
This is probably just the document painting white squares (i.e. white having squares on top of page background) and there's nothing we can do about it. Can you share the document to confirm?
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!