Ask HN: Gmail marking small domain as spam recently?

For people running their own mail servers, have you observed in the past 2 or 3 weeks that gmail now mark your emails as spam?

I've been running the same domain for over a decade, on the same current ip address for over 2 years, not running on ipv6 (I know that was an issue for some people), have all the spf/dkim/dmarc setup and gmail mark the 3 of them as "pass", I check spamhaus for both domain and ip address, etc... Yet this has suddenly become an issue 2 or 3 weeks ago (not sure the exact moment).

I have a gmail account that I use as a backup. In over a decade, it never marked any email from one of my domain as spam. I run tests both ways whenever I make a change on my domain, the last one was in July. I tried it yesterday and it marked all emails from my domain as spam!

Anybody else noticing a change?