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  1. Qt
  2. QTBUG-132411

Chromium version isn't reduced in user-agent string

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    • 208fe51a8 (dev), 145a30d43 (6.9), d6bc75357 (6.8)

    Description

      Since Chromium 101, Google Chrome only shows the major version in its User-Agent string: https://www.chromium.org/updates/ua-reduction/, e.g.:

      Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

      However, QtWebEngine still uses the full Chromium version number:

      Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) QtWebEngine/6.8.1 Chrome/122.0.6261.171 Safari/537.36

      Not only is that a privacy concern via fingerprinting (one of the original motivations for the change), but more importantly, it seems to break websites: Accessing https://www.sciencedirect.com/ with the default UA displays "There was a problem providing the content you requested". (Yes, the web is broken in fun ways sometimes...)

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        # Subject Branch Project Status CR V

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            anualiyas Anu Aliyas
            the compiler Florian Bruhin
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              Created:
              Updated:
              Resolved:

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