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Whenever I download a PDF from my university dashboard, macOS doesn't recognize it as PDF even though the file extension is marked as .pdf.

Compatibility Mode resolves the issue, but that's not the desirable outcome I guess.
Extensions used:
iCloud Keychain
uB Origin
Bypass Paywalls Clean
Tampermonkey (but without active script)

PDF.js has always been on.

Orion downloads the file as openable PDF document, instead downloads a 22KB file (maybe HTML file).

Version 0.99.126.4.1.3-rc (WebKit 618.1.7)

Sonoma (14)

  • Vlad replied to this.

    Areatius Is there a way for us to reproduce the problem with a publicly accessible pdf?

        Vlad Unfortunately I didn't find a public PDF file which reproduces this error. My university address bar says it's a pluginfile.php, I don't know if that's of any interest. I'll keep looking out for public reproducable PDF files that have the same behaviour.

        Edit: Apparently it's a uBlock Origin error. If I disable uBO it fixes this issue.

            Vlad additional information: PDF download on my university site is only broken with the Chrome Version of uBlock Origin. Installing the Firefox version enables to PDF download in the right format.

            • Vlad replied to this.

                Vlad Apparently this is a problem with uBlock Origin, yes. By the way the Adobe Acrobat extension to view PDFs in the browser also does not seem to work. Do you know if this is a known issue?

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