FDB release 0.9 (we're getting close to 1.0!) is out:
http://pypi.python.org/pypi/fdb/0.9

New Features:
* Documentation; both in-source (in Sphinx autodoc format) and Sphinx (html)
* Services API completely reworked

Other changes:
* Many unregistered bugs fixed.
* Various optimizations and cleanup
* Object reference graph optimizations
* Many new tests in test suite

Target for next (1.0) release: Firebird ARRAY support

best regards
Pavel Cisar
IBPhoenix