It seems I can reproduce this in KDE neon 5.17, Plasma 5.17.3, Frameworks 5.64.0, Qt 5.13.2.
New Google accounts added from System Settings > Personalization > Online Accounts won't actually have their username appear either (Screenshot: https://i.fiery.me/bGl8.png).
The account did not use 2FA.
It seems I can reproduce this in KDE neon 5.17, Plasma 5.17.3, Frameworks 5.64.0, Qt 5.13.2. /i.fiery. me/bGl8. png).
New Google accounts added from System Settings > Personalization > Online Accounts won't actually have their username appear either (Screenshot: https:/
The account did not use 2FA.