What happened with the Gmail's Authenticated Senders key icon for e-mails from certain high profile sites that properly validate through DMARC? (described e.g.

What happened with the Gmail's Authenticated Senders key icon for e-mails from certain high profile sites that properly validate through DMARC? (described e.g. here [0]) [0]: https://www.pcworld.com/article/2921383/software/4-gmail-labs-features-you-should-be-using.html https://www.pcworld.com/article/2921383/software/4-gmail-lab...