The sync situation is a bit of a mess but it's getting better. Personally I use 1password and everything is synced everywhere effortlessly. But if you are a windows user without a password manager then you are probably best off just using your phone and the QR code scan flow.
The UX issues of Passkeys can and are being fixed. The issues with passwords are unfixable.
> The UX issues of Passkeys can and are being fixed.
I don't see any solutions to the recovery problem that doesn't introduce another login mechanism. But as a primary method the UX is pretty good for the technically literate.
The UX issues of Passkeys can and are being fixed. The issues with passwords are unfixable.