Gerd Wagner - 2021-01-14

You are welcome to add a driver definition. You find them in
sql12/core/src/net/sourceforge/squirrel_sql/client/resources/defaults/default_drivers.xml

We do not ship JDBC drivers with SQuirreL. But you may put the download web page in your driver definition.

In case you'd also want to write a Trino Plugin you may check out some existing database specific Plugins as an example. A rather simple example is
sql12/plugins/informix/
a more complex example is
sql12/plugins/oracle