I like to have a number of .sql files, open with SQL Developer, when it starts.
I use these files as workpads.
When I connect one of these files to a Db using the Drop Down in the top right corner - I would like the connection to be Top of the list (along with all other Open Connections) when I go back to select a different DB.
What is strange, is that this is exactly what happens to a .sql file that has not already been linked to an Open Connection.
So it seems that a connected files Drop Down does not get updated, where as a non connected file does.
It's a really great feature - when it works correctly.