I've released version 1.0.0 of the JayBird java jca-jdbc Firebird driver.
You can find it on the Firebird sourceforge file download page

http://sourceforge.net/project/showfiles.php?group_id=9028

under

firebird-jca-jdbc-driver
1.0.0-Release

The file name is FirebirdSQL-1.0.0.zip

Thanks to all those who have worked on it, especially Roman Rokytskyy and
Blas Rodriguez Somoza.

Questions and comments may be addressed to the
Firebird-Java@yahoogroups.com mailing list.

David Jencks