Related connection to cm server and DB for each:
save the password option is disabled by default. However who will want to enter the password every connection?
It would be good to have "save passowrd" option to be enabled be default.
Related default JDBC driver's version:
It is 8.2.2 version by default however the latest version is 8.4.0.
The default JDBC version should be the latest one otherwise always detecting automatically so that users don't be confused of JDBC 2.2 version was configured by default. JDBC driver version can blinks or colored so that users can easily recognize which version of JDBC is nw using.
The rest of other default values should be changed "less click, more convenient, easier" for users.
Be sure that users will never know that such an option is supported. The initial option values should be perfect.