I also cannot reproduce on Arch with i3.
I tried it with Arch on Openbox, and also do not see this behaviour (the dialog does open up at the last size, but I can shrink it back to the minimum by dragging the corner).
I also cannot reproduce on Arch with i3.
I tried it with Arch on Openbox, and also do not see this behaviour (the dialog does open up at the last size, but I can shrink it back to the minimum by dragging the corner).