Well, at least partially…
http://www.filemaker.com/support/downloads/index.html

FileMaker Pro 9.0v2 update delivers Leopard compatibility and more

FileMaker has released FileMaker Pro 9.0v2 and FileMaker Pro 9.0v2 Advanced, available now via a
downloadable update. The 9.0v2 update provides compatibility with Mac OS X Leopard as described below,
and other features, and is recommended for all users.

Here is a list of other fixes in the …