The process for switching connections no longer works with the drop box near the
top of the window. You can only switch connections using the lower part.
That said, if you try switching using the top drop box, the editors and
connections get confused, associating themselves randomly, and Toad crashes.
Try this with at least three connections to different Oracles, and have at least
two editors in each connection, one connection having a query builder.
Also, when many connections are up, and one times out, clicking reconnect