hi,

> is there a roadmap for the jdbc driver available?

no.

> I am especially interested in an ETA for ResulSet.last() etc...

scrollable cursors are not supported by the server and we do not plan
to fake the implementation by doing next() in the loop (you simply
will not be able to go back).

> How many people are working on the driver?

there's no full-time employment, there's no money envolved, pure
enthusiasm (and that works good!). if you wish to contribute, join the
team.

best regards,
roman rokytskyy