I installed the GMail app onto my Ubuntu 15.04 machine.

Upon logging in, a warning message appears, saying This version of Safari is no longer supported. Please upgrade to a supported browser

I then received an email from Google saying that my GMail account had been accessed from Safari running on an unknown OS.

Safari? Unknown OS? What's the reason for this?

I'm presuming that it's an issue with the user agent data set by browsers is missing or incorrect in the GMail app, which leads me to my second question - the Ubuntu "apps" are clearly just slimmed down web browsers, but which browser are they based on?

  • I think the GMail app uses the Ubuntu 'Web Browser' which is WebKit based.
    – vembutech
    May 28, 2015 at 11:02

2 Answers 2


This is a bug and is being investigated - see the bug report on Launchpad


You receive that notification for security reasons.

Google always sends these mails, when your account is accessed with a new client software.

Probably GMail application sends incorrect information about itself. If it works OK, then there is nothing to worry about.

You can also find GMail maintainer and report this bug.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.