Summary: gmail refuses my login into my gmail account while using Falkon. STEPS TO REPRODUCE 1. Install Falkon 2. use falkon to browse to gmail.com 3. login in to you gmail account OBSERVED RESULT: Couldn't sign you in <my gmail account> This browser or app may not be secure. Learn more Try using a different browser. If you’re already using a supported browser, you can refresh your screen and try again to sign in. EXPECTED RESULT Access to view my Inbox messages .... etc. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: Fedora 31 x86_64 (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: QtWebEngine version 5.13.2 ADDITIONAL INFORMATION
Happened to me too, Workaround: send firefox browser ID. It's in Preferences, Other, Change Navigator ID. (translations may vary) then select Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0 either globally or for 'google.com'
This was an unfriendly move from Google (blocking QtWebEngine-based browsers), not a bug.