Every app has access to an api that asks your phone to verify your fingerprint against the ones stored for the lockscreen. The phone then asks for your fingerprint and tells the app if it passed or not.

As the commenter pointed out, it’s not an image of your fingerprint either. It’s a hash that is stored on your phone that is likely unique to that device.

It’s so useful you see it mentioned on every other thread

And for me: 4. It makes it a lot harder to accidently turn my camera on in meetings (a different form of privacy)

I like to describe this as a game of peekaboo.

Where’s the vulnerability?

There it is!

Where’s the vulnerability?

(Not opening eyes) Huh, I guess there are none!

Last I checked, Joplin does not use a folder structure that is easy to port over. Their files are all id’s instead of usable file names, so without Joplin, you won’t be finding anything.

They are still plaintext .MD files though.

If I had to guess, communities being deleted, instances going offline/being defederated etc