https://news.ycombinator.com/item?id=50189521
I suspect Apple published no update and is relying on the CA's CRL and/or OCSP to do its job. But it's rate-limited, the connections time out, and iOS is hard-coded to soft-fail.
Like you my trust store is months old.
That said, I found separate installs of Firefox and Microsoft Edge that accepted *all* the bad certificates without a care.
The only browser that consistently rejected all of them was — you guessed it — Internet Explorer. A browser so old it couldn't even run the test properly but it did what it needed to and blocked all the servers.