Version 3.0.0 Beta is available for testing on Windows. It works only with Firebird 3+ , and requires fbclient.dll from Firebird 3 or above.
https://github.com/FirebirdSQL/firebird-odbc-driver/wiki
Please download, test, and report any issues!
Issues can be reported here: https://github.com/FirebirdSQL/firebird-odbc-driver/issues
Original Pull request for new driver (work in progress):
Since OOAPI is supported by the FB3.0 and later client library, this driver version should be used with FB3.0+ only.
This code has not yet been fully tested and is not guaranteed to work correctly in all cases.