Created attachment 145136 [details] screenshot SUMMARY web.whatsapp.com tells me: WhatsApp works with Google Chrome 60+ STEPS TO REPRODUCE 1. open web.whatsapp.com 2. 3. OBSERVED RESULT see attached screenshot EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
*** This bug has been marked as a duplicate of bug 403732 ***
Unfortunately the solution mentioned at the original bug https://bugs.kde.org/show_bug.cgi?id=403732 fails to work with my system now
The solution is change user agent. > Settings > Preferences > Other > User Agent Manager > Checklist "Global user agent" > Choose number 2: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.144 Safari/537.36 > Apply. But with this user agent, you can not login to google account (like gmail or youtube).
the solution with another problem :)