I was about to type something similar to this as well! I use passkeys pretty heavily, with iCloud sync. Never had an issue. The only similar issue I can think o

I was about to type something similar to this as well! I use passkeys pretty heavily, with iCloud sync. Never had an issue. The only similar issue I can think of is sometimes my Macbook will loose the contents of the on device wallet, including in one case an ssh key stored there. That was somewhat annoying!