subversive_dev

Oh! I see, you are using a mobile browser, that’s what let me astray

Programmers and designers call that sort of pop-up notification a “toast”. I’m guessing whatever app you are using (there isn’t an official Lemmy app right?) is testing out a 3rd-party library for toasts called Toastify. I’m guessing the dev was so excited to see it working that they forgot to remove the test before publishing