Passkeys were hot last year, don’t seem to be catching on, here’s one view of why that is. Dark and sobering but convincing: https://fy.blackhats.net.au/blog/2024-04-26-passkeys-a-shattered-dream/
Passkeys: A Shattered Dream

Firstyear's blog

@timbray I did quite a bit of reading, and building, and talking about Passkeys in the past year or so and I did wrote a final proposal of a talk to a conference: “The promises of Passkeys” to be able to talk what were it failed… :)
Given the previous ones were all about the good stuff!
BTW: my first POC of a product using passkeys were before any of Pass Managers had support to it! :D