and switch to a different workspace where you start typing.
The popup of the other program should appear and capture your input.
As far as I know, i3 has no prevention for that.
(In this example I'm spawning a program delayed to demonstrate that, but the same can happen to e.g. the gpg-agent password prompt popping up when an SSH connection that uses it reconnects, a chat window from an IM program, and so on. I think the idea of Wayland window activation / focus stealing prevention is that you can still have those windows pop up, but without them taking your input.)
The popup of the other program should appear and capture your input.
As far as I know, i3 has no prevention for that.
(In this example I'm spawning a program delayed to demonstrate that, but the same can happen to e.g. the gpg-agent password prompt popping up when an SSH connection that uses it reconnects, a chat window from an IM program, and so on. I think the idea of Wayland window activation / focus stealing prevention is that you can still have those windows pop up, but without them taking your input.)